Spring Boot Error when getting object with UUID - spring

I have 2 classes SKU Master and Item. Item is a property of SKUMaster. Item has its primary key 'id' as UUID. Each class has a table associated table (SKUMaster and Item).
When inserting a new SKU the data is inserted into the SKUMaster table. However, when retrieving all the SKUMaster we get an error (mention below)
org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$JpaEntityNotFoundDelegate.handleEntityNotFound(EntityManagerFactoryBuilderImpl.java:163) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
If we make item property as an Arraylist of Items the getAll method works properly.
I have attached the sample code and the complete error below
Item
#SuppressWarnings("serial")
#Entity
#Inheritance(strategy = InheritanceType.JOINED)
public class Item implements ItemImpl {
#Id
#GeneratedValue(generator = "UUID")
#GenericGenerator(name = "UUID",strategy = "org.hibernate.id.UUIDGenerator")
#Column(name = "id", updatable = false, nullable = false)
private UUID id;
private String name;
private String code;
#OneToOne
private Category category;
#Value("${some.key:false}")
private boolean isDeleted;
#OneToOne
private UnitOfMeasure uom;
private float rate;
#Value("${some.key:false}")
private boolean qcRequired;
public Item() {
super();
System.out.println("default constructor ");
// TODO Auto-generated constructor stub
}
public Item(UUID id, String name, String code, Category category, boolean isDeleted, UnitOfMeasure uom, float rate,boolean qcRequired) {
super();
System.out.println("parameterised constructor "+id);
this.id = id;
this.name = name;
this.code = code;
this.category = category;
this.isDeleted = isDeleted;
this.uom = uom;
this.rate = rate;
this.qcRequired = qcRequired;
}
SKUMaster
#Entity
public class SKUMaster{
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
#OneToOne
private Item item;
#Min(value = 1, message = "Quantity should be greater than zero")
private float quantity;
#Min(value = 1, message = "Rate should be greater than zero")
private float itemRate;
#OneToOne
private UnitOfMeasure uom;
#Value("${some.key:false}")
private boolean convertable;
#NotEmpty(message = "SKU master code should be enter")
private String skuMasterCode;
#NotEmpty(message = "SKU master name should be enter")
private String name;
public SKUMaster() {
super();
// TODO Auto-generated constructor stub
}
public SKUMaster(int id, Item item, float quantity, float itemRate, UnitOfMeasure uom, boolean convertable,
String skuMasterCode, String name) {
super();
this.setId(id);
this.setItem(item);
this.setQuantity(quantity);
this.setItemRate(itemRate);
this.setUom(uom);
this.setConvertable(convertable);
this.setSkuMasterCode(skuMasterCode);
this.setName(name);
}
//setter and getters.
Error
javax.persistence.EntityNotFoundException: Unable to find com.taurus.arca.core.Item with id cceb595e-399d-4415-a036-1c02b3b18090
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$JpaEntityNotFoundDelegate.handleEntityNotFound(EntityManagerFactoryBuilderImpl.java:163) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:216) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:332) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.doOnLoad(DefaultLoadEventListener.java:108) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:74) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:113) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.internal.SessionImpl.fireLoadNoChecks(SessionImpl.java:1184) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.internal.SessionImpl.internalLoad(SessionImpl.java:1049) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:697) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.type.EntityType.resolve(EntityType.java:464) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.type.ManyToOneType.resolve(ManyToOneType.java:240) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.engine.internal.TwoPhaseLoad$EntityResolver.lambda$static$0(TwoPhaseLoad.java:657) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntityEntryLoadedState(TwoPhaseLoad.java:252) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:184) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:153) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:1203) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.Loader.processResultSet(Loader.java:1004) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.Loader.doQuery(Loader.java:962) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:352) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.Loader.doList(Loader.java:2857) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.Loader.doList(Loader.java:2839) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2671) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.Loader.list(Loader.java:2666) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:506) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:400) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:219) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1412) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.query.internal.AbstractProducedQuery.doList(AbstractProducedQuery.java:1565) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1533) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.query.Query.getResultList(Query.java:165) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.hibernate.query.criteria.internal.compile.CriteriaQueryTypeQueryAdapter.getResultList(CriteriaQueryTypeQueryAdapter.java:76) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.findAll(SimpleJpaRepository.java:355) ~[spring-data-jpa-2.2.9.RELEASE.jar:2.2.9.RELEASE]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.findAll(SimpleJpaRepository.java:78) ~[spring-data-jpa-2.2.9.RELEASE.jar:2.2.9.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_211]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_211]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_211]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_211]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:371) ~[spring-data-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:204) ~[spring-data-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:657) ~[spring-data-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:621) ~[spring-data-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:605) ~[spring-data-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:367) ~[spring-tx-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:118) ~[spring-tx-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) ~[spring-tx-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:178) ~[spring-data-jpa-2.2.9.RELEASE.jar:2.2.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at com.sun.proxy.$Proxy129.findAll(Unknown Source) ~[na:na]
at com.taurus.arca.sku.SKUMasterService.getAll(SKUMasterService.java:22) ~[classes/:na]
at com.taurus.arca.sku.SKUMasterService$$FastClassBySpringCGLIB$$8a6daf2d.invoke(<generated>) ~[classes/:na]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687) ~[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at com.taurus.arca.sku.SKUMasterService$$EnhancerBySpringCGLIB$$a36c3b36.getAll(<generated>) ~[classes/:na]
at com.taurus.arca.sku.SKUMasterController.getAll(SKUMasterController.java:23) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_211]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_211]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_211]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_211]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) ~[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) ~[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) ~[tomcat-embed-core-9.0.37.jar:4.0.FR]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) ~[tomcat-embed-core-9.0.37.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.37.jar:9.0.37]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.37.jar:9.0.37]
SKUMasterService getAll
public ArrayList<SKUMaster> getAll(){
return (ArrayList<SKUMaster>) skuMasterRepo.findAll();
}
SKUMasterRepo
public interface SKUMasterRepo extends CrudRepository<SKUMaster, Integer>{
}

Related

Spring boot UUID error when I try to save a user

I run a simple spring boot application and I try to save a user's id as UUID instead of Long or String. When I save the user using Long or String the endpoint operates normally but when I try to change the type of the id to UUID I get a status 500 error. Do you know how to fix it?
here is the code:
User.java
package com.example.restapi.Model;
import org.hibernate.annotations.GenericGenerator;
import org.hibernate.annotations.Type;
import javax.persistence.*;
import java.util.UUID;
#Entity
public class User {
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
private UUID id;
#Column
private String firstName;
#Column
private String lastName;
#Column
private int age;
#Column
private String occupation;
public UUID getId() {
return id;
}
public void setId(UUID id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getOccupation() {
return occupation;
}
public void setOccupation(String occupation) {
this.occupation = occupation;
}
}
UserRepo.java
package com.example.restapi.Repo;
import com.example.restapi.Model.User;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.UUID;
public interface UserRepo extends JpaRepository<User, UUID> {
}
ApiController.java
package com.example.restapi.Controller;
import com.example.restapi.Model.User;
import com.example.restapi.Repo.UserRepo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import java.util.List;
import java.util.UUID;
#RestController
public class ApiController {
#Autowired
UserRepo userRepo;
#GetMapping("/users")
public List<User> getUsers(){
return userRepo.findAll();
}
#PostMapping("/save")
public String saveUser(#RequestBody User user){
userRepo.save(user);
return "Saved...";
}
#PutMapping("/update/{id}")
public String updateUser(#PathVariable UUID id, #RequestBody User user){
User updatedUser = userRepo.findById(id).get();
updatedUser.setFirstName(user.getFirstName());
updatedUser.setLastName(user.getLastName());
updatedUser.setOccupation(user.getOccupation());
updatedUser.setAge(user.getAge());
userRepo.save(updatedUser);
return "Updated";
}
#DeleteMapping("/delete/{id}")
public String deleteUser(#PathVariable UUID id){
User deleteUser = userRepo.findById(id).get();
userRepo.delete(deleteUser);
return "Delete user with id: "+id;
}
}
Here is the error I get from Postman:
{
"timestamp": "2022-10-04T08:58:23.331+00:00",
"status": 500,
"error": "Internal Server Error",
"path": "/save"
}
Here is the error I get using Intelij IDEA:
2022-10-04 11:58:23.325 ERROR 2752 --- [nio-8080-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.orm.jpa.JpaSystemException: unrecognized id type : uuid-binary -> java.util.UUID; nested exception is org.hibernate.id.IdentifierGenerationException: unrecognized id type : uuid-binary -> java.util.UUID] with root cause
org.hibernate.id.IdentifierGenerationException: unrecognized id type : uuid-binary -> java.util.UUID
at org.hibernate.id.IdentifierGeneratorHelper.get(IdentifierGeneratorHelper.java:139) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.id.IdentifierGeneratorHelper.getGeneratedIdentity(IdentifierGeneratorHelper.java:77) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.dialect.identity.GetGeneratedKeysDelegate.executeAndExtract(GetGeneratedKeysDelegate.java:62) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:43) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3279) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3885) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:84) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:645) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:282) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:263) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:317) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:330) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:287) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:193) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:123) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:185) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:128) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:55) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:107) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:756) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:742) ~[hibernate-core-5.6.11.Final.jar:5.6.11.Final]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:577) ~[na:na]
at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:362) ~[spring-orm-5.3.23.jar:5.3.23]
at jdk.proxy2/jdk.proxy2.$Proxy92.persist(Unknown Source) ~[na:na]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:577) ~[na:na]
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:311) ~[spring-orm-5.3.23.jar:5.3.23]
at jdk.proxy2/jdk.proxy2.$Proxy92.persist(Unknown Source) ~[na:na]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:666) ~[spring-data-jpa-2.7.3.jar:2.7.3]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:577) ~[na:na]
at org.springframework.data.repository.core.support.RepositoryMethodInvoker$RepositoryFragmentMethodInvoker.lambda$new$0(RepositoryMethodInvoker.java:289) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:137) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:121) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:530) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:286) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:640) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.23.jar:5.3.23]
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:139) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.23.jar:5.3.23]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:81) ~[spring-data-commons-2.7.3.jar:2.7.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.23.jar:5.3.23]
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123) ~[spring-tx-5.3.23.jar:5.3.23]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:388) ~[spring-tx-5.3.23.jar:5.3.23]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-5.3.23.jar:5.3.23]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.23.jar:5.3.23]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-5.3.23.jar:5.3.23]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.23.jar:5.3.23]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:174) ~[spring-data-jpa-2.7.3.jar:2.7.3]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.23.jar:5.3.23]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97) ~[spring-aop-5.3.23.jar:5.3.23]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.23.jar:5.3.23]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:215) ~[spring-aop-5.3.23.jar:5.3.23]
at jdk.proxy2/jdk.proxy2.$Proxy95.save(Unknown Source) ~[na:na]
at com.example.restapi.Controller.ApiController.saveUser(ApiController.java:24) ~[classes/:na]
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:577) ~[na:na]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.3.23.jar:5.3.23]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150) ~[spring-web-5.3.23.jar:5.3.23]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[spring-webmvc-5.3.23.jar:5.3.23]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.23.jar:5.3.23]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.23.jar:5.3.23]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.23.jar:5.3.23]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1071) ~[spring-webmvc-5.3.23.jar:5.3.23]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:964) ~[spring-webmvc-5.3.23.jar:5.3.23]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.23.jar:5.3.23]
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.23.jar:5.3.23]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:681) ~[tomcat-embed-core-9.0.65.jar:4.0.FR]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.3.23.jar:5.3.23]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) ~[tomcat-embed-core-9.0.65.jar:4.0.FR]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.23.jar:5.3.23]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.23.jar:5.3.23]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.23.jar:5.3.23]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.23.jar:5.3.23]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.23.jar:5.3.23]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.23.jar:5.3.23]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1789) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]
As #M.Deinum has already alluded to GenerationType.IDENTITY will always provide a number.
Blog post for more information
You have two (in my opinion) good different options to use a UUID:
#Id
#UuidGenerator
//#GeneratedValue(strategy = GenerationType.UUID) if you don't have #UuidGenerator.
//They behave the same
private UUID id;
or
#Id
#GeneratedValue(generator = “UUID”)
#GenericGenerator(
name = “UUID”,
strategy = “org.hibernate.id.UUIDGenerator”,
parameters = {
#Parameter(
name = “uuid_gen_strategy_class”,
value = “org.hibernate.id.uuid.CustomVersionOneStrategy”
)
}
)
#Column(name = “id”, updatable = false, nullable = false)
private UUID id;
The second one will use more parameters to create the UUID. If that necessarily means less collision chances I don't know. But I doubt it.
More information in this blog post by Thorben Janssen.
If you want to use UUID as primary key, you need to explicitly specify it to be uuid-char, or else it will be uuid-binary by default - which not allowed as primary key.
Just add another annotation like below :
#Id
#GeneratedValue(strategy = GenerationType.IDENTITY)
#Type(type = "uuid-char")
private UUID id;

Spring boot LDAP get memberOf in ODM

I'm currenly building an application using Spring boot LDAP, but have some problems accessing the 'memberOf' property to determine which groups the users belongs to.
I have seen Spring LDAP and MemberOf but I am using the ODM to get the user from LDAP, when trying to add the 'memberOf' property I get the following error:
org.springframework.ldap.odm.core.impl.MetaDataException: Can't determine destination type for field private java.util.ArrayList nl.quintor.afstudeermanagementtool.entitiy.LdapUser.memberOf in class class nl.quintor.afstudeermanagementtool.entitiy.LdapUser
at org.springframework.ldap.odm.core.impl.AttributeMetaData.determineFieldType(AttributeMetaData.java:167) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.ldap.odm.core.impl.AttributeMetaData.<init>(AttributeMetaData.java:234) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.ldap.odm.core.impl.ObjectMetaData.<init>(ObjectMetaData.java:132) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.ldap.odm.core.impl.DefaultObjectDirectoryMapper.addManagedClass(DefaultObjectDirectoryMapper.java:151) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.ldap.odm.core.impl.DefaultObjectDirectoryMapper.getEntityData(DefaultObjectDirectoryMapper.java:108) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.ldap.odm.core.impl.DefaultObjectDirectoryMapper.filterFor(DefaultObjectDirectoryMapper.java:468) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.ldap.core.LdapTemplate.find(LdapTemplate.java:1824) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.ldap.core.LdapTemplate.findAll(LdapTemplate.java:1806) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.ldap.core.LdapTemplate.findAll(LdapTemplate.java:1814) ~[spring-ldap-core-2.3.3.RELEASE.jar:2.3.3.RELEASE]
at org.springframework.data.ldap.repository.support.SimpleLdapRepository.findAll(SimpleLdapRepository.java:183) ~[spring-data-ldap-2.3.9.RELEASE.jar:2.3.9.RELEASE]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
at org.springframework.data.repository.core.support.ImplementationInvocationMetadata.invoke(ImplementationInvocationMetadata.java:72) ~[spring-data-commons-2.3.9.RELEASE.jar:2.3.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:382) ~[spring-data-commons-2.3.9.RELEASE.jar:2.3.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:205) ~[spring-data-commons-2.3.9.RELEASE.jar:2.3.9.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:550) ~[spring-data-commons-2.3.9.RELEASE.jar:2.3.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:155) ~[spring-data-commons-2.3.9.RELEASE.jar:2.3.9.RELEASE]
at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:130) ~[spring-data-commons-2.3.9.RELEASE.jar:2.3.9.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at com.sun.proxy.$Proxy82.findAll(Unknown Source) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:344) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) ~[spring-tx-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at com.sun.proxy.$Proxy82.findAll(Unknown Source) ~[na:na]
at nl.quintor.afstudeermanagementtool.seeders.DatabaseSeeder.seedUserTable(DatabaseSeeder.java:59) ~[classes/:na]
at nl.quintor.afstudeermanagementtool.seeders.DatabaseSeeder.seed(DatabaseSeeder.java:39) ~[classes/:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
at org.springframework.context.event.ApplicationListenerMethodAdapter.doInvoke(ApplicationListenerMethodAdapter.java:305) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.event.ApplicationListenerMethodAdapter.processEvent(ApplicationListenerMethodAdapter.java:190) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.event.ApplicationListenerMethodAdapter.onApplicationEvent(ApplicationListenerMethodAdapter.java:153) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:404) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:361) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:898) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:554) ~[spring-context-5.2.14.RELEASE.jar:5.2.14.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) ~[spring-boot-2.3.10.RELEASE.jar:2.3.10.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:755) ~[spring-boot-2.3.10.RELEASE.jar:2.3.10.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.3.10.RELEASE.jar:2.3.10.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:402) ~[spring-boot-2.3.10.RELEASE.jar:2.3.10.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) ~[spring-boot-2.3.10.RELEASE.jar:2.3.10.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1247) ~[spring-boot-2.3.10.RELEASE.jar:2.3.10.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1236) ~[spring-boot-2.3.10.RELEASE.jar:2.3.10.RELEASE]
at nl.quintor.afstudeermanagementtool.AfstudeermanagementtoolApplication.main(AfstudeermanagementtoolApplication.java:16) ~[classes/:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) ~[spring-boot-devtools-2.3.10.RELEASE.jar:2.3.10.RELEASE]
2021-05-18 16:14:16.109 INFO 14468 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2021-05-18 16:14:16.112 INFO 14468 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...
2021-05-18 16:14:16.139 INFO 14468 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.
Process finished with exit code 0
The code I'm using is:
#Entry(
objectClasses = { "user, Person", "top", "organizationalPerson" })
public class LdapUser {
private #Id Name id;
private #Attribute(name = "cn") String fullName;
private #Attribute(name = "sAMAccountName") String username;
private #Attribute(name ="memberof", readonly = true)
ArrayList<?> memberOf;
public LdapUser() { }
public LdapUser(String fullName, String username, ArrayList<?> memberOf) {
this.fullName = fullName;
this.username = username;
this.memberOf = memberOf;
}
public String getFullName() {
return fullName;
}
public void setFullName(String fullName) {
this.fullName = fullName;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public ArrayList<?> getMemberOf() {
return memberOf;
}
public void setMemberOf(ArrayList<?> memberOf) {
this.memberOf = memberOf;
}
}
This appears to be a "shortcoming" common to reflection-based object mapping frameworks in Java.
Annotating Java class fields with #Attribute only works if the annotated field is a concrete type: that is why the annotation works with ArrayList<String> but not List<String> or ArrayList<?>, because in the latter two cases the object mapper would have to 'guess' which concrete type to use when populating that field. In other words, the object mapper cannot call new List<String>(), so it throws an exception.
You can read about a similar problem affecting the JPA ORM standard. JPA appears to have a workaround by providing the targetEntity attribute element, but this is only present on some of their annotations (like #ManyToMany), and not on #Column, which is roughly equivalent to #Attribute here.

Caused by: java.lang.IllegalArgumentException: Value was not an array [java.util.ArrayList]

I am trying to save the List<byte[]> object in Postgres DB, but I am getting the below error.
Caused by: java.lang.IllegalArgumentException: Value was not an array [java.util.ArrayList]
at org.hibernate.type.descriptor.java.ArrayMutabilityPlan.deepCopyNotNull(ArrayMutabilityPlan.java:23) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.type.descriptor.java.MutableMutabilityPlan.deepCopy(MutableMutabilityPlan.java:35) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.type.AbstractStandardBasicType.deepCopy(AbstractStandardBasicType.java:308) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.type.AbstractStandardBasicType.deepCopy(AbstractStandardBasicType.java:304) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.type.TypeHelper.deepCopy(TypeHelper.java:55) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:279) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:193) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:135) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:185) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:128) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:55) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:102) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:710) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:696) ~[hibernate-core-5.4.15.Final.jar:5.4.15.Final]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:314) ~[spring-orm-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at com.sun.proxy.$Proxy85.persist(Unknown Source) ~[na:na]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:554) ~[spring-data-jpa-2.2.7.RELEASE.jar:2.2.7.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:371) ~[spring-data-commons-2.2.7.RELEASE.jar:2.2.7.RELEASE]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:204) ~[spring-data-commons-2.2.7.RELEASE.jar:2.2.7.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:657) ~[spring-data-commons-2.2.7.RELEASE.jar:2.2.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:621) ~[spring-data-commons-2.2.7.RELEASE.jar:2.2.7.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:605) ~[spring-data-commons-2.2.7.RELEASE.jar:2.2.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:80) ~[spring-data-commons-2.2.7.RELEASE.jar:2.2.7.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:366) ~[spring-tx-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:118) ~[spring-tx-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.6.RELEASE.jar:5.2.6.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) ~[spring-tx-5.2.6.RELEASE.jar:5.2.6.RELEASE]
... 14 common frames omitted
Pojo
public class InvoiceImages implements Serializable {
private static final long serialVersionUID = 1L;
private static final int MAX_IMAGE_SIZE = 40 * 1000 * 1024; // 40 MB
#Id
#GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "hibernate_sequence")
#Column(name = "id", unique = true, nullable = false)
private Long id;
#Type(type = "org.hibernate.type.BinaryType")
#Basic(fetch = FetchType.LAZY)
#Column(name = "image", length = MAX_IMAGE_SIZE)
private List<byte[]> image;
#Column(name = "invoice_id")
private Long invoiceId;
}
MainApp
#SpringBootApplication
public class ByteaDemoApplication implements CommandLineRunner {
public static void main(String[] args) {
SpringApplication.run(ByteaDemoApplication.class, args);
}
#Autowired
private InvoiceImagesRepository repo;
#Override
public void run(String... args) throws Exception {
List<byte[]> bytes = new ArrayList<>();
bytes.add("kk".getBytes());
bytes.add("bb".getBytes());
repo.save(InvoiceImages.builder().invoiceId(1L).image(bytes).build());
}
}
List cannot be deepCopy?
change your List to byte[]
try this
#Column(name="image")
#Type(type="org.hibernate.type.BinaryType")
private byte[] image;

java.lang.NullPonterException when saving Spring Entity

I try to read ExcelFiles and save the data in a postgres database. In some files I get the following error message:
java.lang.NullPointerException: null
at de.hspf.lectureservice.semesterLecture.SemesterLecture.hashCode(SemesterLecture.java:51) ~[classes/:na]
at java.lang.Object.toString(Object.java:236) ~[na:1.8.0_161]
at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_161]
at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_161]
at org.hibernate.pretty.MessageHelper.infoString(MessageHelper.java:57) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.NonUniqueObjectException.getMessage(NonUniqueObjectException.java:61) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:123) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:181) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:188) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:933) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:892) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.spi.CascadingActions$6.cascade(CascadingActions.java:261) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.internal.Cascade.cascadeToOne(Cascade.java:490) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:415) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:216) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.internal.Cascade.cascadeCollectionElements(Cascade.java:523) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.internal.Cascade.cascadeCollection(Cascade.java:455) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.internal.Cascade.cascadeAssociation(Cascade.java:418) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.internal.Cascade.cascadeProperty(Cascade.java:216) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.engine.internal.Cascade.cascade(Cascade.java:149) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.cascadeOnMerge(DefaultMergeEventListener.java:460) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.entityIsPersistent(DefaultMergeEventListener.java:202) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:176) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:69) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:900) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:886) ~[hibernate-core-5.3.9.Final.jar:5.3.9.Final]
at sun.reflect.GeneratedMethodAccessor88.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:308) ~[spring-orm-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at com.sun.proxy.$Proxy116.merge(Unknown Source) ~[na:na]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:492) ~[spring-data-jpa-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:359) ~[spring-data-commons-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:200) ~[spring-data-commons-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:644) ~[spring-data-commons-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:608) ~[spring-data-commons-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.lambda$invoke$3(RepositoryFactorySupport.java:595) ~[spring-data-commons-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:595) ~[spring-data-commons-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:59) ~[spring-data-commons-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) ~[spring-tx-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:138) ~[spring-data-jpa-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61) ~[spring-data-commons-2.1.6.RELEASE.jar:2.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at com.sun.proxy.$Proxy126.save(Unknown Source) ~[na:na]
at de.hspf.lectureservice.lecture.LectureService.readExcelFile(LectureService.java:111) ~[classes/:na]
at de.hspf.lectureservice.lecture.LectureService.readExcelFileFolder(LectureService.java:56) ~[classes/:na]
at de.hspf.lectureservice.lecture.LectureService$$FastClassBySpringCGLIB$$c90e79de.invoke() ~[classes/:na]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294) ~[spring-tx-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688) ~[spring-aop-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at de.hspf.lectureservice.lecture.LectureService$$EnhancerBySpringCGLIB$$8c87ac4c.readExcelFileFolder() ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at org.springframework.context.event.ApplicationListenerMethodAdapter.doInvoke(ApplicationListenerMethodAdapter.java:261) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.context.event.ApplicationListenerMethodAdapter.processEvent(ApplicationListenerMethodAdapter.java:179) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.context.event.ApplicationListenerMethodAdapter.onApplicationEvent(ApplicationListenerMethodAdapter.java:142) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:402) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:359) ~[spring-context-5.1.6.RELEASE.jar:5.1.6.RELEASE]
at org.springframework.boot.context.event.EventPublishingRunListener.running(EventPublishingRunListener.java:105) ~[spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE]
at org.springframework.boot.SpringApplicationRunListeners.running(SpringApplicationRunListeners.java:78) ~[spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:332) [spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.4.RELEASE.jar:2.1.4.RELEASE]
at de.hspf.lectureservice.LectureServiceApplication.main(LectureServiceApplication.java:15) [classes/:na]
#Entity
public class SemesterLecture implements Serializable {
#Id
#ManyToOne
#JsonIgnore
#JoinColumn
private Semester semester;
#Id
#ManyToOne
#JoinColumn
private Lecture lecture;
private String grade;
#OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)
private List<LectureDateTime> lectureDateTimes;
public SemesterLecture(Lecture lecture, String grade) {
this.lecture = lecture;
this.grade = grade;
}
public SemesterLecture() {
}
#Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof SemesterLecture)) return false;
SemesterLecture that = (SemesterLecture) o;
return Objects.equals(semester.getTitle(), that.semester.getTitle()) &&
Objects.equals(lecture.getTitle(), that.lecture.getTitle());
}
#Override
public int hashCode() {
return Objects.hash(semester.getTitle(), lecture.getTitle(), grade);
}
#EventListener(ApplicationReadyEvent.class)
#Transactional
public void readExcelFileFolder() throws IOException, InvalidFormatException, NotFoundException {
LOG.info("Load Excel Files from folder...");
FileFilter filter = new ExcelFileFilter ();
Resource[] resourceFiles = resourcePatternResolver.getResources("classpath:excel-files/*.xls");
for (Resource resource : resourceFiles) {
readExcelFile(resource.getInputStream(), resource.getFilename());
}
}
public void readExcelFile(InputStream inputStream, String fileName) throws IOException, InvalidFormatException, NotFoundException {
Workbook workbook = WorkbookFactory.create(inputStream);
DataFormatter dataFormatter = new DataFormatter();
LOG.info("Read Excel File: " + fileName.substring(0, fileName.lastIndexOf('.')));
Course existingCourse = courseRepository.findByCourseNumber(fileName.replace(" ", "").substring(0, fileName.lastIndexOf('.')));
if(existingCourse == null){
return;
}
LOG.info("Found course with title " + existingCourse.getCourseTitle());
if(existingCourse.getSemesters().size() < 1){
for(int i = 1; i < 8; i++){
Semester semester = new Semester();
semester.setTitle("Semester " + i);
semester.setSemesterLectures(new ArrayList<SemesterLecture>());
semester.setSemesterNumber(i);
existingCourse.getSemesters().add(semesterRepository.save(semester));
}
LOG.info("Added " + existingCourse.getSemesters().size() + " Semesters");
}
for(int y = 0; y < 5; y++){
Sheet sheet = workbook.getSheetAt(y);
for (Row row: sheet) {
String title = dataFormatter.formatCellValue(row.getCell(0));
String modulNumber = dataFormatter.formatCellValue(row.getCell(1)).replace(" ", "");
String language = dataFormatter.formatCellValue(row.getCell(2));
int semesterNumber = 1;
try{
semesterNumber = Integer.parseInt(dataFormatter.formatCellValue(row.getCell(3)).replace(".", ""));
}catch (Exception e){}
if(title instanceof String && modulNumber instanceof String && !title.isEmpty() && !modulNumber.isEmpty() && !title.startsWith("Module")){
try{
if(lectureRepository.existsByModulNumber(modulNumber.replace(" ", ""))){
Lecture lecture = lectureRepository.findByModulNumber(modulNumber.replace(" ", ""));
SemesterLecture sm = new SemesterLecture(lecture, "0");
sm.setSemester(existingCourse.getSemesters().get(semesterNumber-1));
sm.setLecture(lecture);
sm.setGrade("0");
existingCourse.getSemesters().get(semesterNumber-1).getSemesterLectures().add(sm);
LOG.info(sm.getLecture().getTitle() + sm.getSemester().getTitle());
}
} catch (NumberFormatException e) {
throw new NotFoundException("Lecture does not exist");
}
}
}
}
for(Semester semester : existingCourse.getSemesters()){
semesterRepository.save(semester);
}
courseRepository.save(existingCourse);
LOG.info("Saved all lectures from course " + existingCourse.getCourseTitle());
}
In most of the crawled data nothing is happening.
The error appears when I try to save the semster object. The Excel file has the following structure: title, modulnumber, language, semesterNumber
Folloowing the stack trace, I think you have two problems :
The first one, which is hidden by the second one, is that you're trying to save a SemesterLecture Instance which have the same primary id (ie. the same value for the couple SemesterLecture) that a one which already exists in database, hence the NonUniqueObjectException which can be seen in your stack trace
The second one is that Spring, when trying to print the message of the NonUniqueObjectException, end by calling the hash method of your SemesterLecture class, for an instance which have the field semester or the field lecture set to null, hence the NullPointerException in fine.
My suggestion :
First, remove or comment the hash method for the SemesterLecture class. The default one is enough for a start, and it will allow you to see your original exception. My guess is that there is a bug in your Semester or your Lecture class hash or equals method, leading hibernate to mistake two entity as the same one.

Caused by: org.springframework.dao.IncorrectResultSizeDataAccessException: Incorrect result size: Spring Data Redis

I am developing code by taking reference from : https://www.programcreek.com/java-api-examples/?code=Just-Fun/spring-data-examples/spring-data-examples-master/jpa/query-by-example/src/test/java/example/springdata/jpa/querybyexample/UserRepositoryIntegrationTests.java.
User.java
#Data
#RedisHash("User")
public class User {
private #Id Long id;
#Indexed
private String firstname;
#Indexed
private String lastname;
private Integer age;
public User() {}
public User(String firstname, String lastname, Integer age) {
super();
this.firstname = firstname;
this.lastname = lastname;
this.age = age;
}
}
UserRepository.java
public interface UserRepository extends QueryByExampleExecutor<User>, CrudRepository<User, String> {
}
RedisExampleApplication.java
#SpringBootApplication
public class RedisExampleApplication implements CommandLineRunner{
#Autowired
private UserRepository userRepository;
public static void main(String[] args) {
SpringApplication.run(RedisExampleApplication.class, args);
}
#Override
public void run(String... args) throws Exception {
userRepository.deleteAll();
User skyler = userRepository.save(new User("Skyler", "Doe", 45));
User walter = userRepository.save(new User("Walter", "White", 50));
User flynn = userRepository.save(new User("Walter Jr. (Flynn)", "Kerr", 17));
userRepository.saveAll(Arrays.asList(skyler, walter, flynn));
long count = userRepository.count(Example.of(new User(null, "White", null)));
System.out.println("COUNT ? "+count);
Example<User> example = Example.of(flynn, matching().//
withIgnorePaths("firstname", "lastname"));
Optional<User> findOne = userRepository.findOne(example);
System.out.println("USER ? "+findOne);
}
}
Error:
java.lang.IllegalStateException: Failed to execute CommandLineRunner
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:816) [spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:797) [spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:324) [spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
at com.example.RedisExampleApplication.main(RedisExampleApplication.java:23) [classes/:na]
Caused by: org.springframework.dao.IncorrectResultSizeDataAccessException: Incorrect result size: expected 1
at org.springframework.data.redis.repository.support.QueryByExampleRedisExecutor.findOne(QueryByExampleRedisExecutor.java:107) ~[spring-data-redis-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_162]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_162]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_162]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_162]
at org.springframework.data.repository.core.support.RepositoryComposition$RepositoryFragments.invoke(RepositoryComposition.java:359) ~[spring-data-commons-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:200) ~[spring-data-commons-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:644) ~[spring-data-commons-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:608) ~[spring-data-commons-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.lambda$invoke$3(RepositoryFactorySupport.java:595) ~[spring-data-commons-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:595) ~[spring-data-commons-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:59) ~[spring-data-commons-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:93) ~[spring-aop-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61) ~[spring-data-commons-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at com.sun.proxy.$Proxy57.findOne(Unknown Source) ~[na:na]
at com.example.RedisExampleApplication.run(RedisExampleApplication.java:45) [classes/:na]
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:813) [spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
... 5 common frames omitted
The issue is probably due to :
Optional<User> findOne = userRepository.findOne(example);
Here you are using findOne method, but it seems that you are getting more than one results. Thus, either use find method or modify your search condition which ensure that you will get a single result.

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