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Get "java.lang.ClassNotFoundException: com.trg.dao.hibernate.GenericDAO" #83

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1. Import generic-dao jars into existing Eclipse Project, configure build-path 
and create necessary classes and interfaces following examples given
2. Try to test created classes deploying de Eclipse Project into Glassfish
3. Get error "java.lang.ClassNotFoundException: 
com.trg.dao.hibernate.GenericDAO" (I made sure the jar containing that class is 
there)

I can't get the jars to work, the project compiles fine all classes and 
interfaces compile just fine. The problem is at runtime when the project gets 
deployed I get the mentioned error (The Project is a Spring based application 
with Hibernate that is currently working fine with my own classes, just wanted 
to test your generic dao library and see if I could replace my persistence 
layer implementation with one based on the generic dao)

The full stacktrace is below:

[#|2011-01-18T17:02:53.477-0430|INFO|sun-appserver2.1|javax.enterprise.system.st
ream.out|_ThreadID=23;_ThreadName=httpWorkerThread-4848-1;|17:02:53,474ERROR 
ContextLoader:215 - Context initialization failed
org.springframework.beans.factory.CannotLoadBeanClassException: Error loading 
class [ve.com.SOFIT.practice.springDB.persistence.DAOs.ExtProductDaoImpl] for 
bean with name 'extProductDao' defined in ServletContext resource 
[/WEB-INF/config/persistence.xml]: problem with class file or dependent class; 
nested exception is java.lang.NoClassDefFoundError: 
com/trg/dao/hibernate/GenericDAO
    at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1144)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:524)
    at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1177)
    at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:758)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:422)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
    at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4655)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:5364)
    at com.sun.enterprise.web.WebModule.start(WebModule.java:345)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:986)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:970)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:704)
    at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1649)
    at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1254)
    at com.sun.enterprise.server.WebModuleDeployEventListener.moduleDeployed(WebModuleDeployEventListener.java:182)
    at com.sun.enterprise.server.WebModuleDeployEventListener.moduleDeployed(WebModuleDeployEventListener.java:278)
    at com.sun.enterprise.admin.event.AdminEventMulticaster.invokeModuleDeployEventListener(AdminEventMulticaster.java:1005)
    at com.sun.enterprise.admin.event.AdminEventMulticaster.handleModuleDeployEvent(AdminEventMulticaster.java:992)
    at com.sun.enterprise.admin.event.AdminEventMulticaster.processEvent(AdminEventMulticaster.java:470)
    at com.sun.enterprise.admin.event.AdminEventMulticaster.multicastEvent(AdminEventMulticaster.java:182)
    at com.sun.enterprise.admin.server.core.DeploymentNotificationHelper.multicastEvent(DeploymentNotificationHelper.java:308)
    at com.sun.enterprise.deployment.phasing.DeploymentServiceUtils.multicastEvent(DeploymentServiceUtils.java:231)
    at com.sun.enterprise.deployment.phasing.ServerDeploymentTarget.sendStartEvent(ServerDeploymentTarget.java:298)
    at com.sun.enterprise.deployment.phasing.ApplicationStartPhase.runPhase(ApplicationStartPhase.java:132)
    at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:108)
    at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:966)
    at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:609)
    at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:653)
    at com.sun.enterprise.admin.mbeans.ApplicationsConfigMBean.start(ApplicationsConfigMBean.java:773)
    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 com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:390)
    at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:373)
    at com.sun.enterprise.admin.config.BaseConfigMBean.invoke(BaseConfigMBean.java:477)
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
    at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:90)
    at $Proxy1.invoke(Unknown Source)
    at com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke(SunoneInterceptor.java:304)
    at com.sun.enterprise.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:170)
    at com.sun.enterprise.admin.jmx.remote.server.callers.InvokeCaller.call(InvokeCaller.java:69)
    at com.sun.enterprise.admin.jmx.remote.server.MBeanServerRequestHandler.handle(MBeanServerRequestHandler.java:155)
    at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.processRequest(RemoteJmxConnectorServlet.java:122)
    at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.doPost(RemoteJmxConnectorServlet.java:193)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
    at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:315)
    at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
    at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)
    at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
    at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:291)
    at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:666)
    at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:597)
    at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:872)
    at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)
    at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)
    at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)
    at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:264)
    at com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:117)
Caused by: java.lang.NoClassDefFo|#]

[#|2011-01-18T17:02:53.477-0430|INFO|sun-appserver2.1|javax.enterprise.system.st
ream.out|_ThreadID=23;_ThreadName=httpWorkerThread-4848-1;|undError: 
com/trg/dao/hibernate/GenericDAO
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:983)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1503)
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:983)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1503)
    at org.springframework.util.ClassUtils.forName(ClassUtils.java:211)
    at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:385)
    at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1138)
    ... 81 more
Caused by: java.lang.ClassNotFoundException: com.trg.dao.hibernate.GenericDAO
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1578)
    ... 96 more
|#]

Original issue reported on code.google.com by leomaruz...@gmail.com on 18 Jan 2011 at 9:42

GoogleCodeExporter commented 8 years ago 
I'm pretty sure something just went wrong with the Eclipse/Glassfish/project 
configuration somewhere. I would be surprised if this turns out to be a problem 
with the framework itself.

Original comment by dwolvert on 29 Jan 2011 at 11:00