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  1. #1
    Join Date
    Nov 2010
    Posts
    37

    [RESOLVED] Strange error message regarding listener class

    I'm getting the weirdest message regarding a listener class. Here is the output. I've marked the lines in question. The first lines I've marked say the container can't find the class, and the next lines I've marked are errors arising from calls to that very class that the container supposedly can't find! Can anyone help me?

    Code:
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.AprLifecycleListener init
    INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre6\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jre6/bin/client;C:/Program Files/Java/jre6/bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files\CyberLink\Power2Go;C:\Program Files\Java\jdk1.6.0_18\bin;C;\mysql\bin;C:\apache-maven-2.2.1-bin\apache-maven-2.2.1\bin;C:\Windows\System32\WindowsPowerShell\v1.0\
    Nov 22, 2010 4:09:54 PM org.apache.coyote.http11.Http11Protocol init
    INFO: Initializing Coyote HTTP/1.1 on http-8080
    Nov 22, 2010 4:09:54 PM org.apache.catalina.startup.Catalina load
    INFO: Initialization processed in 453 ms
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardService start
    INFO: Starting service Catalina
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardEngine start
    INFO: Starting Servlet Engine: Apache Tomcat/6.0.14
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardContext listenerStart
    SEVERE: Error configuring application listener of class listener.ConfigureHibernate
    java.lang.ClassNotFoundException: listener.ConfigureHibernate
    
    In other words, it can't find the class.
    	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1358)
    	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
    	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3773)
    	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4337)
    	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    	at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
    	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:566)
    	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.catalina.startup.Bootstrap.start(Bootstrap.java:288)
    	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardContext listenerStart
    SEVERE: Skipped installing application listeners due to previous error(s)
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardContext start
    SEVERE: Error listenerStart
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardContext start
    SEVERE: Context [] startup failed due to previous errors
    Nov 22, 2010 4:09:54 PM org.apache.catalina.loader.WebappClassLoader validateJarFile
    INFO: validateJarFile(C:\ghs86reunion\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\GHS86Reunion\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
    log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
    log4j:WARN Please initialize the log4j system properly.
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardContext listenerStart
    SEVERE: Exception sending context initialized event to listener instance of class listener.ConfigureHibernate
    org.hibernate.MappingException: Resource: Comment.hbm.xml not found
    	at org.hibernate.cfg.Configuration.addResource(Configuration.java:447)
    	at listener.ConfigureHibernate.contextInitialized(ConfigureHibernate.java:17)
    
    But here that very class the container can't find is being called!
    	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3830)
    	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4337)
    	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    	at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
    	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:566)
    	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.catalina.startup.Bootstrap.start(Bootstrap.java:288)
    	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardContext start
    SEVERE: Error listenerStart
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardContext start
    SEVERE: Context [/GHS86Reunion] startup failed due to previous errors
    Nov 22, 2010 4:09:54 PM org.apache.catalina.core.StandardContext listenerStop
    SEVERE: Exception sending context destroyed event to listener instance of class listener.ConfigureHibernate
    java.lang.NullPointerException
    	at listener.ConfigureHibernate.contextDestroyed(ConfigureHibernate.java:29)
    
    Here that same class is being called again!
    	at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3869)
    	at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4503)
    	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4367)
    	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    	at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
    	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:566)
    	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.catalina.startup.Bootstrap.start(Bootstrap.java:288)
    	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
    Nov 22, 2010 4:09:54 PM org.apache.coyote.http11.Http11Protocol start
    INFO: Starting Coyote HTTP/1.1 on http-8080
    Nov 22, 2010 4:09:54 PM org.apache.jk.common.ChannelSocket init
    INFO: JK: ajp13 listening on /0.0.0.0:8009
    Nov 22, 2010 4:09:54 PM org.apache.jk.server.JkMain start
    INFO: Jk running ID=0 time=0/30  config=null
    Nov 22, 2010 4:09:54 PM org.apache.catalina.startup.Catalina start
    INFO: Server startup in 831 ms
    Nov 22, 2010 4:10:00 PM org.apache.coyote.http11.Http11Protocol pause
    INFO: Pausing Coyote HTTP/1.1 on http-8080
    Nov 22, 2010 4:10:01 PM org.apache.catalina.core.StandardService stop
    INFO: Stopping service Catalina
    Nov 22, 2010 4:10:01 PM org.apache.catalina.core.StandardContext stop
    INFO: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/] has not been started
    Nov 22, 2010 4:10:01 PM org.apache.catalina.core.StandardContext stop
    INFO: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/GHS86Reunion] has not been started
    Nov 22, 2010 4:10:01 PM org.apache.coyote.http11.Http11Protocol destroy
    INFO: Stopping Coyote HTTP/1.1 on http-8080

  2. #2
    Join Date
    Nov 2010
    Posts
    37

    Re: Strange error message regarding listener class

    Problem now solved after a month of tearing my hair out

  3. #3
    Join Date
    May 2006
    Location
    UK
    Posts
    4,473

    Re: [RESOLVED] Strange error message regarding listener class

    Glad to hear the problem has been solved.

    Can you explain what the problem and solution was in case anyone else has a similar problem.
    Posting code? Use code tags like this: [code]...Your code here...[/code]
    Click here for examples of Java Code

  4. #4
    Join Date
    Nov 2010
    Posts
    37

    Re: [RESOLVED] Strange error message regarding listener class

    To be honest, I'm not sure what I did. I ended up re-building my entire application. I think I had some conflicting jars in my classpath.

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