Deployment of Seam Project with Eclipse 3.5 and Jboss As 4.2.3 G.A.

[sawan1424.sawan1424.gmail.com]

I have a problem in deploying new Seam project using Eclipse and JBoss As 4.2.3. G.A.

Hi ,
    I installed Eclipse 3.5 with JBoss Tools from Eclipse install new software option.I got an option of Web Seam project and created a demo project using jboss-seam-2.2.0.GA to provide run time support.I also installed JBoss AS 4.2.3 GA on my machine.I set all the variable in  environment variables (JAVA-HOME ,PATH ,ClashPath,ANT_HOME, JBOSS_HOME etc.).When I am trying to deploy the demo project ,I got exception . Exception description is shown below.
Sep 30, 2009 2:19:43 PM org.jboss.seam.servlet.SeamListener contextInitialized
INFO: Welcome to Seam 2.2.0.GA
Sep 30, 2009 2:19:44 PM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Exception sending context initialized event to listener instance of class org.jboss.seam.servlet.SeamListener
java.lang.NoClassDefFoundError: javassist/bytecode/ClassFile
        at org.jboss.seam.deployment.AbstractScanner.<init>(AbstractScanner.java:140)
        at org.jboss.seam.deployment.URLScanner.<init>(URLScanner.java:35)
        at org.jboss.seam.deployment.DeploymentStrategy.initScanner(DeploymentStrategy.java:107)
        at org.jboss.seam.deployment.DeploymentStrategy.getScanner(DeploymentStrategy.java:59)
        at org.jboss.seam.deployment.StandardDeploymentStrategy.scan(StandardDeploymentStrategy.java:113)
        at org.jboss.seam.init.Initialization.create(Initialization.java:132)
        at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:36)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
        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:583)
        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)
Caused by: java.lang.ClassNotFoundException: javassist.bytecode.ClassFile
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
        ... 22 more
Sep 30, 2009 2:19:44 PM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart
Sep 30, 2009 2:19:44 PM org.apache.catalina.core.StandardContext start
SEVERE: Context [/Test] startup failed due to previous errors
Sep 30, 2009 2:19:44 PM org.apache.catalina.core.StandardContext listenerStop
SEVERE: Exception sending context destroyed event to listener instance of class org.jboss.seam.servlet.SeamListener
java.lang.NoClassDefFoundError: javassist/util/proxy/MethodHandler
        at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:243)
        at org.jboss.seam.contexts.Lifecycle.endApplication(Lifecycle.java:61)
        at org.jboss.seam.contexts.ServletLifecycle.endApplication(ServletLifecycle.java:149)
        at org.jboss.seam.servlet.SeamListener.contextDestroyed(SeamListener.java:41)
        at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3973)
        at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4577)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4474)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
        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:583)
        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)
Caused by: java.lang.ClassNotFoundException: javassist.util.proxy.MethodHandler
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
        ... 20 more
Sep 30, 2009 2:19:44 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Sep 30, 2009 2:19:44 PM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Sep 30, 2009 2:19:45 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/253  config=null
Sep 30, 2009 2:19:45 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 4097 ms


My Jboss AS is 4.2.3 GA and Seam is of version 2.2.
Please help me out .Can you provide me the error causes .

Thanks in advance

[jkronegg]

Bad version of javassist.jar. Please search the forum for more details.