I'm working on a spring and JPA project. I had configured my JPA Persistence Unit in the Persistence.xml and here's my spring configuration file.
My application works fine, but I didn't understand how does spring framework detects the Persistence Unit defined in my Persistence.xml file and injects it without being defined in my spring bean configuration file .
Can anybody answer me please ?
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
<context:annotation-config/>
<context:component-scan base-package="ma.professionalpartners.fireAppBusiness.dao"/>
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
<property name="persistenceUnitName" value="fireApp-Domain" />
</bean>
<bean id="jpaTransactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<tx:annotation-driven transaction-manager="jpaTransactionManager" />
</beans>
You have provided the name for the persistence unit, when configuring the entityManagerFactory bean:
<property name="persistenceUnitName" value="fireApp-Domain" />
The persistence.xml file MUST be on certain paths, so that Spring simply searched in those locations. After finding the file, it parses the XML content, and if there is a single PersistenceUnit, that is made the default one. Of course, if you specify a name (as you did), then it looks exactly for that PersistenceUnit.
Related
I'm working on a maven project using Spring framework.
Instead of writing raw text in JSPs I prefer to use <spring:message .../> tag and register my messages in a .properties file.
I get this warning when requesting a page :
ResourceBundle [messages] not found for MessageSource: Can't
find bundle for base name messages, locale fr
Which then brings an exception about the message not being found (obviously).
Here's my project's hierarchy :
my project's hierarchy
Here's my springapp-servlet.xml :
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd">
<context:component-scan base-package="app.core" />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/">
</property>
<property name="suffix" value=".jsp">
</property>
</bean>
<bean id="localeResolver" class="org.springframework.web.servlet.i18n.SessionLocaleResolver">
<property name="defaultLocale" value="fr" />
</bean>
<bean id="messageSource"
class="org.springframework.context.support.ResourceBundleMessageSource">
<property name="basenames">
<list>
<value>messages</value>
</list>
</property>
</bean>
<mvc:resources mapping="/public/**" location="/WEB-INF/resources/"
cache-period="31556926"/>
<mvc:annotation-driven />
</beans>
From the documentation:
The basenames follow ResourceBundle conventions: essentially, a fully-qualified classpath location. If it doesn't contain a package qualifier (such as org.mypackage), it will be resolved from the classpath root.
(emphasis mine)
So it should be under src/main/resources.
I use #Size and #valid annotation in my spring mvc project but it did not work and did not display the message which i want to display.
Download the zip file from the link : http://hibernate.org/validator/downloads/
Extraxt the zip file
Copy all jars of folder hibernate-validator-x.x.x/dist/lib/required
( If hibernate-validator-x.x.x.Final.jar file is not present in the folder then download it and also copy this jar. )
Paste jars into /WEB-INF/lib folder in the spring mvc project.
Add requiered code into the spring-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:annotation-config/>
<context:component-scan base-package="com.parth.hellocontroller"></context:component-scan>
<mvc:annotation-driven/>
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix">
<value>/WEB-INF/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
<bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename" value="/WEB-INF/studentmessages"></property>
</bean>
Go to properties of your project
Go to build path and add external jar from downloaded file
Right click on your #size and #valid annotation and import those things
done
I'm struggling to understand how to properly configure Spring 3.2 and Hibernate 4.2. After working through several issues over the last few days, I ran into this exception while trying to execute a query in my DAO:
java.lang.UnsupportedOperationException: The application must supply JDBC connections
org.hibernate.service.jdbc.connections.internal.UserSuppliedConnectionProviderImpl.getConnection(UserSuppliedConnectionProviderImpl.java:62)
org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:292)
org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:214)
org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:157)
org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67)
org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:160)
org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1426)
org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:59)
com.bsj.demo.rest.dao.DemoUserDaoImpl.getAllDemoUsers(DemoUserDaoImpl.java:41)
Here are my Spring and Hibernate files:
context.xml
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<context:property-placeholder location="classpath:spring/data-access.properties"/>
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/restdemo"/>
</bean>
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"/>
</property>
<property name="persistenceUnitManager">
<bean class="org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager">
<property name="defaultDataSource" ref="dataSource" />
</bean>
</property>
<property name="dataSource" ref="dataSource" />
</bean>
<context:component-scan base-package="com.bsj.demo.rest.*">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Repository" />
</context:component-scan>
<bean class="org.springframework.orm.jpa.JpaTransactionManager" id="transactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<context:spring-configured />
<context:annotation-config />
<bean class="com.bsj.demo.rest.spring.config.AppConfig"/>
</beans>
persistence.xml
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
version="2.0">
<persistence-unit name="RESTDemoJPA" transaction-type="RESOURCE_LOCAL">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<properties>
<property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect"/>
</properties>
</persistence-unit>
What am I missing? My understanding is that with Spring defining the datasource and persistence unit, there should be very little configuration needed in the persistence.xml. Am I completely wrong here?
Server is Tomcat 7, dependencies managed by Maven. I understand this is a commonly asked question on SO, but after trying several solutions I have not found a way to resolve this problem.
Have a look over here. Might be it can resolve your issue.
https://github.com/abdulwaheed18/Spring-HIbernate-Integration/blob/master/src/beans.xml
Alright, I figured out the problem and it wasn't really related to configuration. The problem was how I was instantiating the EntityManager in my code.
In the configuration, I needed to add the following to the entityManager bean definition:
<property name="persistenceUnitName" value="RESTDemoJPA" />
The bigger problem was that I was creating the EntityManager in each DAO by getting an instance from the EntityManagerFactory. Instead, I should have been allowing Spring to inject it via the PersistenceContext annotation as follows:
#PersistenceContext(unitName="RESTDemoJPA")
private EntityManager em;
After doing that, I removed all calls to em.getTransaction(), annotated the class as #Transactional and the exceptions went away. After that, I could query the database.
TL;DR: Configuration was correct minus defining the Persistence Unit name in the entityManager definition. Changed EntityManager instantiation from manual to Spring injection.
I integrated Spring Batch Admin into my app, which uses Spring 3.2.
Now I try to annotate a method with #Scheduled and activate this with <task:annotation-driven/>.
When I launch the webapp I get this exception:
Caused by: java.lang.IllegalStateException: #Scheduled method 'removeInactiveExecutions'
found on bean target class 'SimpleJobService', but not found in any interface(s) for bean
JDK proxy. Either pull the method up to an interface or switch to subclass (CGLIB) proxies
by setting proxy-target-class/proxyTargetClass attribute to 'true'
The SimpleJobService of Spring Batch Admin uses this annotation on a method.
In Spring 3.2. it seems, that there is no need to put cglib into the classpath and spring-asm is obsolete, too. I excluded the spring-asm dependency from spring-batch-integration.
Where can I set proxy-target-class=true (I already tried it on <tx:annotation-config> and <aop:config>?
How can I use #Scheduled in my application?
Add execution-context.xml in META-INF\spring\batch\override, set proxy of SimpleJobServiceFactoryBean to target class
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:p="http://www.springframework.org/schema/p" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<!-- Original jobRepository missing read ${batch.isolationlevel} -->
<bean id="jobRepository"
class="org.springframework.batch.core.repository.support.JobRepositoryFactoryBean"
p:dataSource-ref="dataSource" p:transactionManager-ref="transactionManager" p:isolationLevelForCreate = "${batch.isolationlevel}"/>
<!-- Original jobService conflicted with #EnableScheduling -->
<bean id="jobService"
class="org.springframework.batch.admin.service.SimpleJobServiceFactoryBean">
<aop:scoped-proxy proxy-target-class="true" />
<property name="jobRepository" ref="jobRepository" />
<property name="jobLauncher" ref="jobLauncher" />
<property name="jobLocator" ref="jobRegistry" />
<property name="dataSource" ref="dataSource" />
<property name="jobExplorer" ref="jobExplorer" />
<property name="transactionManager" ref="transactionManager" />
</bean>
</beans>
I'm facing a very weird issue. I'm tring to configure the properties of my datasource declared in my spring applicationcontext.xml file via a PropertyPlaceholderConfigurer class. The application context file looks like this:-
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:ws="http://jax-ws.dev.java.net/spring/core" xmlns:wss="http://jax-ws.dev.java.net/spring/servlet"
xmlns:jms="http://www.springframework.org/schema/jms"
xsi:schemaLocation="http://jax-ws.dev.java.net/spring/servlet http://jax-ws.dev.java.net/spring/servlet.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://jax-ws.dev.java.net/spring/core http://jax-ws.dev.java.net/spring/core.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/jms http://www.springframework.org/schema/jms/spring-jms-3.0.xsd
http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.4.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<!-- Spring configurations used by LCM Impl classes -->
<bean id="lcmPropertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:/activemq.properties</value>
<value>classpath:/jdbc.properties</value>
</list>
</property>
</bean>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy- method="close">
<property name="driverClassName" value="${db.driverClassName}" />
<property name="url" value="${db.url}"/>
<property name="username" value="${db.username}"/>
<property name="password" value="${db.password}"/>
</bean>
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="dataSource"/>
</bean>
</beans>
I have tried using the context:property-placeholder tag as well but it doesn't seem to have any effect. The above mentioned properties files are deployed successfully under the WEB-INF/classes directory as well.
For some reason, the spring container is able to load the properties files(checked with an invalide properties file and it throws a FNF exception) but not able to substitute the property placeholders with their values.
I'm using a tomcat 7 WS with the CATALINA.BASE pointing to my runtime. Has anybody faced this issue before? Any solutions?
Take that leading slash out of the values:
<value>classpath:activemq.properties</value>
<value>classpath:jdbc.properties</value>
Try the following configuration.
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:activemq.properties</value>
<value>classpath:jdbc.properties</value>
</list>
</property>
</bean>
The issue is likely the fact that you even named the PropertyPlaceholderConfigurer bean. Most Spring internal beans are not given an id, as the framework is configured to look for certain bean names, and often the default bean name is the auto-generated name based on the object type.