java.lang.NoClassDefFoundError in eclipse and tomcat however WAR is working in standalone tomcat

Question

I am trying to deploy maven generated war file into tomcat server in eclipse.. but I get java.lang.NoClassDefFoundError on a jar file. I verified multiple times, jar is in .war and corresponding class file is also available in jar. I can copy the war from generated location in eclipse and deploy into webapps of tomcat (using the same server as installed server in eclipse) successfully.

I am not sure what else to check in configuration apart from deployment assembly (which has jar listed) and Java Build path ( jar is available in Maven Dependencies). I am using JRE --> Alternate JRE pointing to JDK 1.6

Complete ERROR LOG:

2012-05-24 16:43:09,379 [main] ERROR org.springframework.web.context.ContextLoader -       Context initialization failed
java.lang.NoClassDefFoundError: Lcom/att/cso/uss/client/ws/CciClientImpl;

at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2291)
at java.lang.Class.getDeclaredFields(Class.java:1743)
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findPersistenceMetadata(PersistenceAnnotationBeanPostProcessor.java:373)
at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(PersistenceAnnotationBeanPostProcessor.java:321)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:830)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:493)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:585)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:385)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:284)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3972)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4467)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:593)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

Caused by: java.lang.ClassNotFoundException: com.att.cso.uss.client.ws.CciClientImpl
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1484)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
    ... 33 more

Please advise.

How about giving more details of your eclipse setup? Do you use m2e and if so m2e-wtp? Eclipse does not use the war file created in target folder of maven to deploy to tomcat. — Raghuram
How are you deploying the war within eclipse? Did you add the maven source project to the tomcat server instance in Servers view? — Ravi
@Raghuram - I am using m2e-wtp. So where and how I can look for deployment war in eclipse. Does any file in settings folder need to be verified ? — riamob

Ravi Ravi · Accepted Answer · 2012-05-25T14:52:02

Using server instance is not same as deploying WAR in tomcat. The servers view integration of tomcat 'hot' deploys the source folder. I suggest you check you Java Build path settings because those are used when you 'deploy' the source project into the server in servers view. How are you creating the war? I am assuming you are using maven for it.. If you are using maven (I have personal dislike for it), it should be managing the dependencies for you. You might have to replicate settings of maven in java or may be use maven plugin for eclipse. [http://www.eclipse.org/m2e/]

java.lang.NoClassDefFoundError in eclipse and tomcat however WAR is working in standalone tomcat

1 Answers