[jboss-user] [EJB/JBoss] - Migration to jboss4..0.4 problems

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Hi *,

We have tried to migrate an application that uses EJB 2.1 from jboss 3.2.x to jboss 4.0.4.

We have encountered the following exception:
2006-07-27 08:54:24,781 ERROR [org.jboss.ejb.plugins.LogInterceptor] TransactionRolledbackLocalException in method: public abstract java.util.Collection com.siemens.is.its.airfield.aglseries.datalayer.aglcore.beans.PersistentEntityLocalHome.findAllByType(java.lang.String) throws javax.ejb.FinderException, causedBy:
java.lang.IllegalStateException: createBeanClassInstanceCommand == null
	at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.createBeanClassInstance(JDBCStoreManager.java:575)
	at org.jboss.ejb.plugins.CMPPersistenceManager.createBeanClassInstance(CMPPersistenceManager.java:139)
	at org.jboss.ejb.EntityContainer.createBeanClassInstance(EntityContainer.java:238)
	at org.jboss.ejb.plugins.AbstractInstancePool.get(AbstractInstancePool.java:183)
	at org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(EntityInstanceInterceptor.java:113)
	at org.jboss.ejb.plugins.EntityLockInterceptor.invokeHome(EntityLockInterceptor.java:76)
	at org.jboss.ejb.plugins.EntityCreationInterceptor.invokeHome(EntityCreationInterceptor.java:43)
	at org.jboss.ejb.plugins.CallValidationInterceptor.invokeHome(CallValidationInterceptor.java:56)
	at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:125)
	at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350)
	at org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxInterceptorCMT.java:161)
	at org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(SecurityInterceptor.java:145)
	at org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogInterceptor.java:132)
	at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invokeHome(ProxyFactoryFinderInterceptor.java:107)
	at org.jboss.ejb.EntityContainer.internalInvokeHome(EntityContainer.java:514)
	at org.jboss.ejb.Container.invoke(Container.java:975)
	at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invokeHome(BaseLocalProxyFactory.java:359)
	at org.jboss.ejb.plugins.local.LocalHomeProxy.invoke(LocalHomeProxy.java:133)
	at $Proxy85.findAllByType(Unknown Source)



The DB used is PosgreSql.

Any ideas about how to overcome this exception?

Thanks
Sebi

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