[jbosstools-issues] [JBoss JIRA] (JBIDE-2791) "duplicate factory for: org.jboss.seam.web.webSession (duplicate is specified in components.xml)" error after creating a newseam project

[Fidel Lagos (JIRA)]

    [ https://issues.jboss.org/browse/JBIDE-2791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12669064#comment-12669064 ] 

Fidel Lagos commented on JBIDE-2791:
------------------------------------

I have the same error

Classpath entry /seamEar-ear/EarContent/jboss-seam.jar will not be exported or published. Runtime ClassNotFoundExceptions may result.  	seamEar-ejb		P/seamEar-ejb	Classpath Dependency Validator Message

I remove jar  from Manifest and add jar to classpath but the error ´pesist

any idea????
                
>  "duplicate factory for: org.jboss.seam.web.webSession (duplicate is specified in components.xml)" error after creating a newseam project
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBIDE-2791
>                 URL: https://issues.jboss.org/browse/JBIDE-2791
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: Seam 2
>    Affects Versions: 3.0.0.alpha
>         Environment: Windows XP, Eclipse 3.4.0, JBoss AS 4.2.3-GA, Seam 2.1.0-BETA1, Java 1.6.0_10-rc
>            Reporter: Riccardo Serafin
>            Assignee: Max Rydahl Andersen
>            Priority: Critical
>             Fix For: 3.0.0.cr1
>
>
> After creating a new Seam project via the wizard (EAR packaging, configuration "Dynamic Web project with Seam 2.0"), starting up JBoss produces the following error:
> duplicate factory for: org.jboss.seam.web.webSession (duplicate is specified in components.xml)
> Even after removing jboss-seam.jar from the war MANIFEST.INF as suggested here (http://www.seamframework.org/Community/HowToUpdateProjectFrom20To21Seam) the error still occurs.
> This is the only other reference that I've found to this error (http://jira.jboss.com/jira/browse/JBSEAM-2981) but it looks slightly unrelated to me.
> Stack trace:
> 19:05:32,116 ERROR [[/hellome]] Excepción enviando evento inicializado de contexto a instancia de escuchador de clase org.jboss.seam.servlet.SeamListener
> java.lang.IllegalStateException: duplicate factory for: org.jboss.seam.web.webSession (duplicate is specified in components.xml)
> 	at org.jboss.seam.core.Init.checkDuplicateFactoryExpressions(Init.java:222)
> 	at org.jboss.seam.core.Init.checkDuplicateFactory(Init.java:215)
> 	at org.jboss.seam.core.Init.addFactoryValueExpression(Init.java:278)
> 	at org.jboss.seam.init.Initialization.installComponents(Initialization.java:983)
> 	at org.jboss.seam.init.Initialization.init(Initialization.java:631)
> 	at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:34)
> 	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3856)
> 	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4361)
> 	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:790)
> 	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:770)
> 	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:553)
> 	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)
>        ....
> I believe also these others warnings might be related to the same problem (which i suspect is duplicate jar in the classpath of the war):
> 19:49:24,506 INFO  [TomcatDeployer] deploy, ctxPath=/jmx-console, warUrl=.../deploy/jmx-console.war/
> 19:49:25,506 INFO  [EARDeployer] Init J2EE application: file:/D:/Java/jboss-4.2.3.GA/server/default/deploy/hellome-ear.ear/
> 19:49:35,459 WARN  [MainDeployer] Found non-jar deployer for jboss-seam.jar: MBeanProxyExt[jboss.ejb3:service=EJB3Deployer]
> 19:49:42,381 WARN  [DeploymentInfo] Only the root deployment can set the loader repository, ignoring config=LoaderRepositoryConfig(repositoryName: seam.jboss.org:loader=hellome, repositoryClassName: org.jboss.mx.loading.HeirarchicalLoaderRepository3, configParserClassName: org.jboss.mx.loading.HeirarchicalLoaderRepository3ConfigParser, repositoryConfig: java2ParentDelegation=false)
> 19:50:00,679 INFO  [JmxKernelAbstraction] creating wrapper delegate for: org.jboss.ejb3.entity.PersistenceUnitDeployment
> 19:50:04,976 INFO  [TomcatDeployer] deploy, ctxPath=/hellome, warUrl=.../deploy/hellome-ear.ear/hellome.war/
> 19:50:13,554 WARN  [SeamPhaseListener] There should only be one Seam phase listener per application
> 19:50:20,726 INFO  [ServletContextListener] Welcome to Seam 2.1.0.BETA1

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