1 Reply Latest reply on Mar 6, 2012 1:34 AM by rngarnaik

    Incremental Hot develeopment and  java.lang.ClassNotFoundException

    peddu007
      Hi

      I have project generated with seam gen. So I have src/model, src/action ,src/data and src/test directories. Everithing was fine, until I correctly sort my classes to model and action directories. Now I have only entities in model directory and actions, entity home objects, web service endpoints etc. in action directory. But when I run explode ant target (or deploy) I will get war directory (war file) with this structure
      src/data with all of my entity seam components.

      WEB-INF/classes with all of my classes from model dir
      WEB-INF/dev with all of my classes from action dir

      But now I will get java.lang.ClassNotFoundException in some events.
      For example, when I go on some page where I am using my own converter. I have converter class in scr/action directory so after deploy it is in WEB-INF/dev dir. But facelets page can´t see this class there and ClassNotFoundException is thrown
      here we crete the "com.manam.mobee.fwk.listener.MobeeSeamListener" instand of "org.jboss.seam.servlet.SeamListener"
      here WEB-INF/dev folder can't identifies the com.manam.mobee.fwk.listener.MobeeSeamListener. please give me any idea

      My web.xml
      :
      <context-param>
        <param-name>facelets.DEVELOPMENT</param-name>
        <param-value>true</param-value>
      </context-param>
      <listener>
        <listener-class>com.manam.mobee.fwk.listener.MobeeSeamListener</listener-class>
      </listener>


      <filter>
        <filter-name>Seam Filter</filter-name>
        <filter-class>org.jboss.seam.servlet.SeamFilter</filter-class>
        <init-param>
         <param-name>createTempFiles</param-name>
         <param-value>true</param-value>
        </init-param>
        <init-param>
         <param-name>maxRequestSize</param-name>
         <param-value>20000000</param-value>
        </init-param>
      </filter>
      ..................
      My components.xml
      <core:init debug="true"/>
      ...........
      I got exception is
      java.lang.ClassNotFoundException: com.manam.mobee.fwk.listener.MobeeSeamListener
      at java.net.URLClassLoader$1.run(Unknown Source)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.net.URLClassLoader.findClass(Unknown Source)
      at java.lang.ClassLoader.loadClass(Unknown Source)
      at java.lang.ClassLoader.loadClass(Unknown Source)
      at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3799)
      at org.apache.catalina.core.StandardContext.start(StandardContext.java:4361)
      at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:790)
      at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:770)
      at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:553)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:296)
      at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:164)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.apache.catalina.core.StandardContext.init(StandardContext.java:5312)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:296)
      at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:164)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.web.tomcat.service.TomcatDeployer.performDeployInternal(TomcatDeployer.java:301)
      at org.jboss.web.tomcat.service.TomcatDeployer.performDeploy(TomcatDeployer.java:104)
      at org.jboss.web.AbstractWebDeployer.start(AbstractWebDeployer.java:375)
      at org.jboss.web.WebModule.startModule(WebModule.java:83)
      at org.jboss.web.WebModule.startService(WebModule.java:61)
      at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
      at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
      at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
      at $Proxy0.start(Unknown Source)
      at org.jboss.system.ServiceController.start(ServiceController.java:417)
      at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy44.start(Unknown Source)
      at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:466)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
      at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
      at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
      at org.jboss.wsf.container.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:87)
      at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
      at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy45.start(Unknown Source)
      at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
      at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy9.deploy(Unknown Source)
      at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
      at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
      at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
      at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:336)
      at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
      at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
      at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
      at $Proxy0.start(Unknown Source)
      at org.jboss.system.ServiceController.start(ServiceController.java:417)
      at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy4.start(Unknown Source)
      at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302)
      at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
      at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:766)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
      at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
      at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
      at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
      at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
      at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
      at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
      at $Proxy5.deploy(Unknown Source)
      at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482)
      at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362)
      at org.jboss.Main.boot(Main.java:200)
      at org.jboss.Main$1.run(Main.java:508)
      at java.lang.Thread.run(Unknown Source)
        • 1. Re: Incremental Hot develeopment and  java.lang.ClassNotFoundException
          rngarnaik

          Hi,

           

          Please add your listner inside somewhere your main folder(not in the Hot folder). The default class loader is pointing to WEB-INF/classes/ folder. If you add in to Dev it will not take adn give

          ClassNotFoundException....but still work if you change your build.xml file "dev" profile to scan for dev folder.

           

          Timebeing addd your listner in the MAIN package where all your model/entities are available.