Spring boot application Start up error - spring

I am working on spring boot application when running this from console I am getting the below error. Please help me in resolving this. In IDE I am not able to see exception also only command line generating this stack trace. Tried working with different java update (8u121,8u131,8u144) .
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.context.annotation.internalPersistenceAnnotationProcessor': Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: javax/persistence/PersistenceContext
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1116) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1060) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:202) ~[spring-context-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:702) ~[spring-context-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:527) ~[spring-context-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:761) [spring-boot-1.4.3.RELEASE.jar!/:1.4.3.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:371) [spring-boot-1.4.3.RELEASE.jar!/:1.4.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-1.4.3.RELEASE.jar!/:1.4.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1186) [spring-boot-1.4.3.RELEASE.jar!/:1.4.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1175) [spring-boot-1.4.3.RELEASE.jar!/:1.4.3.RELEASE]
at com.websystique.springboot.SpringBootCRUDApp.main(SpringBootCRUDApp.java:15) [classes!/:1.0.0]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_121]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_121]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_121]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) [SpringBootCRUDApplicationExample-1.0.0.jar:1.0.0]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) [SpringBootCRUDApplicationExample-1.0.0.jar:1.0.0]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) [SpringBootCRUDApplicationExample-1.0.0.jar:1.0.0]
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51) [SpringBootCRUDApplicationExample-1.0.0.jar:1.0.0]
Caused by: java.lang.NoClassDefFoundError: javax/persistence/PersistenceContext
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.<clinit>(PersistenceAnnotationBeanPostProcessor.java:172) ~[spring-orm-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_121]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.8.0_121]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[na:1.8.0_121]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[na:1.8.0_121]
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:89) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1108) ~[spring-beans-4.3.5.RELEASE.jar!/:4.3.5.RELEASE]
... 24 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.persistence.PersistenceContext
at java.net.URLClassLoader$1.run(Unknown Source) ~[na:1.8.0_121]
at java.net.URLClassLoader$1.run(Unknown Source) ~[na:1.8.0_121]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_121]
at java.net.URLClassLoader.findClass(Unknown Source) ~[na:1.8.0_121]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.8.0_121]
at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:94) ~[SpringBootCRUDApplicationExample-1.0.0.jar:1.0.0]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.8.0_121]
... 32 common frames omitted
Caused by: java.util.zip.ZipException: invalid distance too far back
at java.util.zip.InflaterInputStream.read(Unknown Source) ~[na:1.8.0_121]
at org.springframework.boot.loader.jar.ZipInflaterInputStream.read(ZipInflaterInputStream.java:52) ~[SpringBootCRUDApplicationExample-1.0.0.jar:1.0.0]
at sun.misc.Resource.getBytes(Unknown Source) ~[na:1.8.0_121]
at java.net.URLClassLoader.defineClass(Unknown Source) ~[na:1.8.0_121]
at java.net.URLClassLoader.access$100(Unknown Source) ~[na:1.8.0_121]
... 39 common frames omitted
POM.XML
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.websystique.springboot</groupId>
<artifactId>SpringBootCRUDApplicationExample</artifactId>
<version>1.0.0</version>
<packaging>jar</packaging>
<name>SpringBootCRUDApplicationExample</name>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.3.RELEASE</version>
</parent>
<properties>
<java.version>1.8</java.version>
<h2.version>1.4.187</h2.version>
</properties>
<dependencies>
<!-- Add typical dependencies for a web application -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- Add freemarker template support -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>
<!-- Add JPA support -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<!-- Add Hikari Connection Pooling support -->
<dependency>
<groupId>com.zaxxer</groupId>
<artifactId>HikariCP</artifactId>
</dependency>
<!-- Add H2 database support [for running with local profile] -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>${h2.version}</version>
</dependency>
<!-- Add MySQL database support [for running with PRODUCTION profile] -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.5</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin><!-- Include if you want to make an executable jar[FAT JAR which
includes all dependencies along with sprinboot loader] that you can run on
commandline using java -jar NAME -->
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Also please look into above POM xml and update me if I am missing any dependencies. Same code is working fine on other machine

Please try with this pom.xml in order to use the 1.5.4.RELEASE version of Spring boot and the current version of h2 database, make sure that all the dependencies are downloaded before restart your application, if you are using eclipse also make sure to update the maven repository to the project. Hope it help. There are many dependencies so it takes time in order to download all of them properly. The parent entry should looks like this:
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.4.RELEASE</version>
</parent>
Some additional information here: in order to make the SpringBootCRUDApp project ready to work you can use 1.4.x or 1.5.x Spring boot releases, just make sure that all the dependencies have been downloaded properly from Maven otherwise the java.lang.NoClassDefFoundError will be thrown.
After all the dependencies are properly downloaded there is something interesting that happens with Spring boot 1.4.x because there is a new error when the code is executed called java.lang.IllegalStateException: required key [datasource.sampleapp.hibernate.dialect] not found
Why is that?: it is because of how are listed the available profiles on the application.yml properties file.
spring:
profiles: local, default
The error is raised because the blank space after the coma, in order to correct it just delete the blank space (only when Spring Boot 1.4.x is used)
spring:
profiles: local,default
and it happens because the value
" default" is not detected as a defult profile because Spring boot is expecting a "default" with out the blank space, this behavior only happens with SB 1.4.x
Why in Spring boot 1.5x there is no error? well it is because of some good enhancements that has been made to the configuration process in order to read properly the spring.profiles property and avoid the problem when there is a blank space after coma, actually that could happen only when there are many profiles but no one is active and also there is no a default profile detected.

Related

Mandatory to add spring-boot-starter-* dependencies in child module only?

I have one parent module (A) which is already included / imported into the child module (B) as dependency.
Module A.
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>*some-version*<version>
</dependency>
<dependencies>
Module B
<dependencies>
<dependency>
<groupId>com.xyz</groupId>
<artifactId>module-A</artifactId>
<version>*module-A-version*<version>
</dependency>
<dependencies>
Question : There is no error in compilation and a war artifact for module B (B.war) is created successfully. But when I deploy module B (i.e. B.war) it fails on following error.
Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/beans/factory/config/YamlProcessor
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.springframework.boot.env.YamlPropertySourceLoader.load(YamlPropertySourceLoader.java:57)
at org.springframework.boot.env.PropertySourcesLoader.load(PropertySourcesLoader.java:127)
at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadIntoGroup(ConfigFileApplicationListener.java:462)
at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:449)
at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:374)
at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:210)
at org.springframework.boot.context.config.ConfigFileApplicationListener.postProcessEnvironment(ConfigFileApplicationListener.java:179)
at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.java:166)
at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:152)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:163)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:136)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:119)
at org.springframework.boot.context.event.EventPublishingRunListener.publishEvent(EventPublishingRunListener.java:111)
at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:65)
at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
at org.springframework.boot.SpringApplication.doRun(SpringApplication.java:325)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:305)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1124)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1113)
at com.propspace.intl.gateway.GatewayInternational.main(GatewayInternational.java:32)
Caused by: java.lang.ClassNotFoundException: org.springframework.beans.factory.config.YamlProcessor
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 32 more
Is it like we always have to include spring-boot-starter-* in the leaf module and it can not be defined in one common parent?
After doing couple of PoC about pom-starters it is confirmed that only deployable service should have respective pom-starters defined in its pom.xml.
Hence w.r.t above hierarchy child B must have definition as follows,
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>*some-version*<version>
</dependency>
<dependencies>
Parent A can contain any other common dependencies which are not pom-starters.

Cannot load driver class: com.mysql.jdbc.Driver Error on Spring Boot using Eclipse

I am new to spring boot and developing my first application using spring boot.
Following is my application.properties file
server.port=9090
spring.thymeleaf.cache=false
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/bookstoredatabase
spring.datasource.username=root
spring.datasource.password=
spring.datasource.dbcp2.test-while-idle=true
spring.datasource.dbcp2.validation-query=SELECT 1
spring.jpa.show-sql=true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
and this is my pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.bookstore</groupId>
<artifactId>bookstore</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>Bookstore</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Every time I run my code I get the following error:
Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:587) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1250) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1099) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:541) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:501) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140) ~[spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:327) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1255) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1243) [spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at com.bookstore.BookstoreApplication.main(BookstoreApplication.java:10) [classes/:na]
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:579) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
... 18 common frames omitted
Caused by: java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
at org.springframework.util.Assert.state(Assert.java:94) ~[spring-core-5.0.5.RELEASE.jar:5.0.5.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.determineDriverClassName(DataSourceProperties.java:224) ~[spring-boot-autoconfigure-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.initializeDataSourceBuilder(DataSourceProperties.java:176) ~[spring-boot-autoconfigure-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration.createDataSource(DataSourceConfiguration.java:43) ~[spring-boot-autoconfigure-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration$Hikari.dataSource(DataSourceConfiguration.java:81) ~[spring-boot-autoconfigure-2.0.1.RELEASE.jar:2.0.1.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_161]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
... 19 common frames omitted
I have tried all the solutions that are over the internetr like adding version to the msql-connector-java etc. but none of them seems to work. I will be highly oblidged if somone can guide me on the issue.
Presumably you've created this project with the Spring Initialzr so you can try running with:
./mvnw spring-boot:run
instead of eclipse - presumably this is an eclipse issue as your error matches Unable to connect mysql to spring boot project. If that does work then as suggested on that question you can run 'mvn clean install' to rebuild and should then be able to do 'Maven > Update Project' from eclipse (or set it up to sync automatically - see How do I get my Eclipse-Maven project to automatically update its classpath when I change a dependency in my pom.xml file?)
Seems like spring boot by default for first time require mysql connection.
Include mysql connector while creating your project in build.gradle I resolved using following line in dependencies
runtimeOnly 'mysql:mysql-connector-java'
application.yml
> spring:
> application:
> name: applicationevent
> version: 1.0
> datasource:
> driverClassName: com.mysql.jdbc.Driver

Spring Hibernate connection error

I am trying to make one project on spring and hibernate. I did half part of front end but when I tried to connect it to the hibernate and make changes in my pom.xml file it is giving me error while restarting the tomcat server. Please help. Thanks in advance.
Error message:
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/onlineshopping]]
at java.util.concurrent.FutureTask.report(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/onlineshopping]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
... 6 more
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot#466fd297]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4969)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5099)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 6 more
Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.JarResourceSet#7e81f282]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:107)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:135)
at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:719)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
... 9 more
Caused by: java.lang.IllegalArgumentException: java.util.zip.ZipException: invalid LOC header (bad signature)
at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.initInternal(AbstractSingleArchiveResourceSet.java:113)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
... 12 more
Caused by: java.util.zip.ZipException: invalid LOC header (bad signature)
at java.util.zip.ZipFile.read(Native Method)
at java.util.zip.ZipFile.access$1400(Unknown Source)
at java.util.zip.ZipFile$ZipFileInputStream.read(Unknown Source)
at java.util.zip.ZipFile$ZipFileInflaterInputStream.fill(Unknown Source)
at java.util.zip.InflaterInputStream.read(Unknown Source)
at sun.misc.IOUtils.readFully(Unknown Source)
at java.util.jar.JarFile.getBytes(Unknown Source)
at java.util.jar.JarFile.getManifestFromReference(Unknown Source)
at java.util.jar.JarFile.getManifest(Unknown Source)
at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.initInternal(AbstractSingleArchiveResourceSet.java:111)
... 13 more
Startup log:
Nov 18, 2017 4:45:05 PM org.apache.catalina.core.ContainerBase startInternal
SEVERE: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
at java.util.concurrent.FutureTask.report(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
at
pom.xml:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>net.kzn</groupId>
<artifactId>shoppingbackend</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>shoppingbackend</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>5.0.1.RELEASE</spring.version>
<hibernate.version>5.2.7.Final</hibernate.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- SPRING -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- H2 DATABASE -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.196</version>
</dependency>
<!-- HIBERNATE DEPENDENCY -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>
<!-- HIBERNATE connection pooling -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-dbcp2</artifactId>
<version>2.1.1</version>
</dependency>
</dependencies>
<build>
<plugins>
<!-- Update to latest version of JAVA -->
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
I'd appreciate any reply!
If you are not familiar with Spring and Hibernate it is much easier to create Spring Boot project:
https://start.spring.io/
or if you use IntelliJ IDEA:
File -> New -> Project -> Spring Initializr
Delete and repopulate maven's cache of artifacts,
as explained in duplicate question hibernate-commons-annotations-4.0.1.Final.jar; invalid LOC header (bad signature)?

Spring Boot Embeded Tomcat Failed to Start

I am building a system using Spring Boot. I am using Spring Tools Suite as the IDE, and I can build and run the program as Spring Boot App using Spring Tool Suite without any problems. However, when I build via maven via command "mvn package", and run the generated jar file under target/my-app.jar, the embeded tomcat failed to start. The error is like below:
org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:137) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:535) ~[spring-context-4.3.2.RELEASE.jar!/:4.3.2.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:313) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174) [spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at com.jdescript.JdeScriptApplication.main(JdeScriptApplication.java:23) [classes!/:0.0.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_91]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_91]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_91]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_91]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) [jde-script-0.0.1.jar:0.0.1]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) [jde-script-0.0.1.jar:0.0.1]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50) [jde-script-0.0.1.jar:0.0.1]
at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:525) [jde-script-0.0.1.jar:0.0.1]
Caused by: org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:116) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.(TomcatEmbeddedServletContainer.java:83) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getTomcatEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:530) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:176) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:164) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:134) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
... 16 common frames omitted
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardServer[-1]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:158) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
at org.apache.catalina.startup.Tomcat.start(Tomcat.java:356) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:97) ~[spring-boot-1.4.0.RELEASE.jar!/:1.4.0.RELEASE]
... 21 common frames omitted
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Tomcat]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:158) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:791) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:152) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
... 23 common frames omitted
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:158) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:152) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
... 25 common frames omitted
Caused by: org.apache.catalina.LifecycleException: A child container failed during start
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:152) ~[tomcat-embed-core-8.5.4.jar!/:8.5.4]
... 27 common frames omitted
My pom.xml looks like below:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.myapp</groupId>
<artifactId>my-app</artifactId>
<version>0.0.1</version>
<packaging>jar</packaging>
<name>MyApp</name>
<description>My App</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.0.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.session</groupId>
<artifactId>spring-session</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<layout>ZIP</layout>
<executable>true</executable>
</configuration>
</plugin>
</plugins>
</build>
</project>
Any suggestions will be greatly appreciated!
I have figured this out. My system is to interact with a third party enterprise system, and my system depends on some JAR files from third party system. So I have the "-Dloader.path" points to the directory of the third party JAR files. One of the JAR files, j2ee.jar, conflicts with tomcat. Tomcat will start if I remove j2ee.jar file from the "-Dloader.path".
Anyway, thank you again for all of your suggestions!
As Deinum suggested in the comments.
Your jar does not have the embedded tomcat dependency included in it, since you have provided the tomcat dependency scope as "runtime". Remove the scope declaration which should enable the "compile" scope by default. Your jar should then contain the dependencies required for starting the embedded tomcat container.

unable to start springboot server generated from swagger

I am new to swagger, i had to write swagger for a given POJO (just POJO) and implement API for it. So by using swagger editor I was able to write swagger processed with no errors and then did
1. Generate Server from menu and selected spring
2. Generate Client from menu and selected client
I opened the generated java API client and build successfully.
I opened the generated spring server in IntelliJ and try to run the server and I got below error ...
2016-08-18 17:16:53.188 INFO 17456 --- [ main] io.swagger.Swagger2SpringBoot : Starting Swagger2SpringBoot on AMUSLT17507 with PID 17456 (C:\Users\SGattu1\Downloads\spring-server-generated\spring-server\target\classes started by SGattu1 in C:\Users\SGattu1\Downloads\spring-server-generated\spring-server)
2016-08-18 17:16:53.216 INFO 17456 --- [ main] io.swagger.Swagger2SpringBoot : No active profile set, falling back to default profiles: default
2016-08-18 17:16:53.337 INFO 17456 --- [ main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext#6d3af739: startup date [Thu Aug 18 17:16:53 PDT 2016]; root of context hierarchy
2016-08-18 17:16:55.535 ERROR 17456 --- [ main] o.s.boot.SpringApplication : Application startup failed
java.lang.NoClassDefFoundError: javax/servlet/http/HttpServletRequest
at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_73]
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_73]
at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_73]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:612) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:524) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:510) ~[spring-core-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:241) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1069) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1042) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772) ~[spring-beans-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538) ~[spring-context-4.2.6.RELEASE.jar:4.2.6.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766) ~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361) ~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) ~[spring-boot-1.3.5.RELEASE.jar:1.3.5.RELEASE]
at io.swagger.Swagger2SpringBoot.main(Swagger2SpringBoot.java:24) [classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_73]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_73]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_73]
at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_73]
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) [idea_rt.jar:na]
Caused by: java.lang.ClassNotFoundException: javax.servlet.http.HttpServletRequest
at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_73]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_73]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[na:1.8.0_73]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_73]
... 27 common frames omitted
Please let me know if I am missing anything over here, appreciate your help.
EDITED
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>io.swagger</groupId>
<artifactId>swagger-spring</artifactId>
<packaging>jar</packaging>
<name>swagger-spring</name>
<version>1.0.0</version>
<properties>
<java.version>1.8</java.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
<springfox-version>2.5.0</springfox-version>
</properties>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.5.RELEASE</version>
</parent>
<build>
<sourceDirectory>src/main/java</sourceDirectory>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<!--SpringFox dependencies -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>${springfox-version}</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>${springfox-version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-joda</artifactId>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
</dependency>
</dependencies>
</project>
I try to generate spring server for the examples default, heroku, instagram, twitter they have provided and for these also getting same error.
I think the issue is the provided scope for tomcat. This would assume that you are deploying the app into an existing tomcat instance. Can you try removing that scope, refresh the project, and try running again?

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