Tomcat 6 classloader errors

Tue, 03 Jul 2007 06:18:31 -0700

I am porting a Java servlet from Tomcat 5.5.20 to Tomcat 6 and I seem to be having classloader issues. The application works under 5, but under 6 I get the following stack trace.....HELP! 

Peter

Jul 3, 2007 4:13:46 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: 
/usr/lib/jvm/java-6-sun-1.6.0.00/jre/lib/i386/client:/usr/lib/jvm/java-6-sun-1.6.0.00/jre/lib/i386:/usr/lib/jvm/java-6-sun-1.6.0.00/jre/../lib/i386:/usr/lib/jvm/java-6-sun-1.6.0.00/jre/lib/i386/client::/usr/lib/jvm/java-6-sun-1.6.0.00/jre/lib/i386::/usr/lib/mozilla-thunderbird:/usr/lib/mozilla-thunderbird:/usr/java/packages/lib/i386:/lib:/usr/lib
Jul 3, 2007 4:13:46 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Jul 3, 2007 4:13:46 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 423 ms
Jul 3, 2007 4:13:46 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Jul 3, 2007 4:13:46 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.13
Jul 3, 2007 4:13:46 PM org.apache.catalina.core.ApplicationContext log
INFO: Marking servlet IRM as unavailable
Jul 3, 2007 4:13:46 PM org.apache.catalina.core.ApplicationContext log
SEVERE: Error loading WebappClassLoader
 delegate: false
 repositories:
   /WEB-INF/classes/
----------> Parent Classloader:
[EMAIL PROTECTED]
org.apache.tapestry.ApplicationServlet
java.lang.ClassNotFoundException: org.apache.tapestry.ApplicationServlet
        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.StandardWrapper.loadServlet(StandardWrapper.java:1083)
        at 
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:981)
        at 
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4042)
        at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:4348)
        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(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:288)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Jul 3, 2007 4:13:46 PM org.apache.catalina.core.StandardContext loadOnStartup
SEVERE: Servlet /IRM threw load() exception
java.lang.ClassNotFoundException: org.apache.tapestry.ApplicationServlet
        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.StandardWrapper.loadServlet(StandardWrapper.java:1083)
        at 
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:981)
        at 
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4042)
        at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:4348)
        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(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:288)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Jul 3, 2007 4:13:46 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Jul 3, 2007 4:13:46 PM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Jul 3, 2007 4:13:46 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/31  config=null
Jul 3, 2007 4:13:46 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 478 ms




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