[jboss-user] [JBoss Seam] - SeamListener problem

[jimcarrey]

Hi,
I am using Tomcat, Embeddable EJB 3.0 container and Seam 1.0.1 GA.
At start up, I get:

ERROR 29-09 09:31:52,750 (Log4JLogger.java:error:119)  -Exception sending contex
t initialized event to listener instance of class org.jboss.seam.servlet.SeamLis
tener
java.lang.IncompatibleClassChangeError: Implementing class
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
4)
        at org.apache.catalina.loader.WebappClassLoader.findClassInternal(Webapp
ClassLoader.java:1650)
        at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoa
der.java:856)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoa
der.java:1305)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoa
der.java:1187)
        at org.jboss.seam.deployment.Scanner.handleItem(Scanner.java:133)
        at org.jboss.seam.deployment.Scanner.handleArchive(Scanner.java:104)
        at org.jboss.seam.deployment.Scanner.getClasses(Scanner.java:84)
        at org.jboss.seam.init.Initialization.addComponents(Initialization.java:
339)
        at org.jboss.seam.init.Initialization.init(Initialization.java:195)
        at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.j
ava:32)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContex
t.java:3692)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4
127)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase
.java:759)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:73
9)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)

        at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:804)

        at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:693
)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472
)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1118)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java
:310)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:119)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)

        at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)

        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442
)
        at org.apache.catalina.core.StandardService.start(StandardService.java:4
50)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:680
)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:536)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:275)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)


My web.xml is the same in the booking example that comes with the seam  examples.
Any ideas greatly appreciated?

Thanks


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