[jboss-user] [JBoss Seam] - NoClassDefFoundException in seam-gen generated code !!!

[nicolasd]

Greetings,

After having ran "seam generate-entites" on my db and after having deployed the EAR, I got the following exception in the log file:


  | 2008-01-23 17:16:58,786 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/SimplexCRM]] Exception lors de l'envoi de l'évènement contexte initialisé (context initialized) à l'instance de classe d'écoute (listener) org.jboss.seam.servlet.SeamListener
  | java.lang.RuntimeException: Could not create Component: accountsAuditHome
  | 	at org.jboss.seam.init.Initialization.addComponent(Initialization.java:976)
  | 	at org.jboss.seam.init.Initialization.installComponents(Initialization.java:903)
  | 	at org.jboss.seam.init.Initialization.init(Initialization.java:548)
  | 	at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:34)
  | 	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3854)
  | 	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4359)
  | 	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:761)
  | 	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:741)
  | 	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:553)
  | ................. etc.
  | 

The reason of this exception is displayed further, in the log file:


  | Caused by: java.lang.NoClassDefFoundError: fr/simplexSoftware/crm/jpaBeans/AccountsAuditId
  | 	at java.lang.Class.getDeclaredMethods0(Native Method)
  | 	at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
  | 	at java.lang.Class.privateGetPublicMethods(Class.java:2547)
  | 	at java.lang.Class.getMethods(Class.java:1410)
  | 	at org.jboss.seam.Component.hasAnnotation(Component.java:1059)
  | 	at org.jboss.seam.Component.<init>(Component.java:228)
  | 	at org.jboss.seam.Component.<init>(Component.java:216)
  | 	at org.jboss.seam.init.Initialization.addComponent(Initialization.java:961)
  | 	... 139 more
  | 
The EAR file contains in its lib directory a jar which contains all the required classes, including the one flagged as missing. The application.xml correctly defines the modules, so I don't understand how is it possible that this exception is raised, given that all the classes are there.

Could anybody help please ? 

Many thanks in advance.

Nicolas

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