java.lang.NoClassDefFoundError: org/apache/log4j/AppenderSkeleton

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    java.lang.NoClassDefFoundError: org/apache/log4j/AppenderSkeleton
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    java.lang.NoClassDefFoundError: Server (wrong name: o rg/apache/xmlrpc/demo/webserver/Server)

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    Root Cause Analysis

    1. java.lang.NoClassDefFoundError

      org/apache/log4j/AppenderSkeleton

      at java.lang.ClassLoader.defineClass0()
    2. Java RT
      ClassLoader.loadClassInternal
      1. java.lang.ClassLoader.defineClass0(Native Method)
      2. java.lang.ClassLoader.defineClass(ClassLoader.java:539)
      3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
      4. java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
      5. java.net.URLClassLoader.access$100(URLClassLoader.java:55)
      6. java.net.URLClassLoader$1.run(URLClassLoader.java:194)
      7. java.security.AccessController.doPrivileged(Native Method)
      8. java.net.URLClassLoader.findClass(URLClassLoader.java:187)
      9. java.lang.ClassLoader.loadClass(ClassLoader.java:289)
      10. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
      11. java.lang.ClassLoader.loadClass(ClassLoader.java:235)
      12. java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
      12 frames
    3. com.bea.wlw
      WebappContextListener.<clinit>
      1. com.bea.wlw.runtime.core.util.InternalLogger.<clinit>(InternalLogger.java:23)
      2. com.bea.wlw.runtime.core.servlet.WebappContextListener.<clinit>(WebappContextListener.java:38)
      2 frames
    4. Java RT
      Class.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
      4. java.lang.reflect.Constructor.newInstance(Constructor.java:274)
      5. java.lang.Class.newInstance0(Class.java:308)
      6. java.lang.Class.newInstance(Class.java:261)
      6 frames
    5. Atmosphere weblogic
      WebAppModule.activate
      1. weblogic.servlet.internal.WebAppServletContext.registerEventListener(WebAppServletContext.java:2992)
      2. weblogic.servlet.internal.WebAppServletContext.activateFromDescriptors(WebAppServletContext.java:2532)
      3. weblogic.servlet.internal.WebAppServletContext.activate(WebAppServletContext.java:6217)
      4. weblogic.servlet.internal.WebAppServletContext.setActive(WebAppServletContext.java:6195)
      5. weblogic.servlet.internal.WebAppModule.activate(WebAppModule.java:864)
      5 frames
    6. weblogic.j2ee
      J2EEApplicationContainer.activate
      1. weblogic.j2ee.J2EEApplicationContainer.activateModule(J2EEApplicationContainer.java:3385)
      2. weblogic.j2ee.J2EEApplicationContainer.activate(J2EEApplicationContainer.java:2248)
      3. weblogic.j2ee.J2EEApplicationContainer.activate(J2EEApplicationContainer.java:2221)
      4. weblogic.j2ee.J2EEApplicationContainer.activate(J2EEApplicationContainer.java:2169)
      4 frames
    7. weblogic.management.deploy
      DeploymentManagerServerLifeCycleImpl.resume
      1. weblogic.management.deploy.slave.SlaveDeployer$Application.setActivation(SlaveDeployer.java:3111)
      2. weblogic.management.deploy.slave.SlaveDeployer.setActivationStateForAllApplications(SlaveDeployer.java:1769)
      3. weblogic.management.deploy.slave.SlaveDeployer.resume(SlaveDeployer.java:352)
      4. weblogic.management.deploy.DeploymentManagerServerLifeCycleImpl.resume(DeploymentManagerServerLifeCycleImpl.java:229)
      4 frames
    8. weblogic.t3.srvr
      T3Srvr.run
      1. weblogic.t3.srvr.SubsystemManager.resume(SubsystemManager.java:136)
      2. weblogic.t3.srvr.T3Srvr.resume(T3Srvr.java:965)
      3. weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:360)
      3 frames
    9. weblogic
      Server.main
      1. weblogic.Server.main(Server.java:32)
      1 frame