[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - NullPointerException when removing a Bean

[shabirmakhdoomi]

Hi All,
       We recently upgraded to jboss-4.0.4. We start getting following error while calling bean remove method.

[org.jboss.ejb.plugins.LogInterceptor] TransactionRolledbackLocalException in method: public abstract void javax.ejb.EJBLocalObject.remove() throws javax.ejb.RemoveException,javax.ejb.EJBException, causedBy:
java.lang.NullPointerException
	at org.jboss.ejb.plugins.local.BaseLocalProxyFactory$2.get(BaseLocalProxyFactory.java:505)
	at org.jboss.ejb.plugins.local.BaseLocalProxyFactory$ClassLoaderAction$UTIL.get(BaseLocalProxyFactory.java:481)
	at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.getEJBLocalHome(BaseLocalProxyFactory.java:240)
	at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCCMRFieldBridge.isForeignKeyValid(JDBCCMRFieldBridge.java:823)
	at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCCMRFieldBridge.removeFromRelations(JDBCCMRFieldBridge.java:403)
	at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCEntityBridge.removeFromRelations(JDBCEntityBridge.java:322)
	at org.jboss.ejb.plugins.cmp.jdbc.JDBCRemoveEntityCommand.execute(JDBCRemoveEntityCommand.java:108)
	at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.removeEntity(JDBCStoreManager.java:697)
	at org.jboss.ejb.plugins.CMPPersistenceManager.removeEntity(CMPPersistenceManager.java:521)
	at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.removeEntity(CachedConnectionInterceptor.java:314)
	at org.jboss.ejb.EntityContainer.remove(EntityContainer.java:543)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.jboss.invocation.Invocation.performCall(Invocation.java:359)
	at org.jboss.ejb.EntityContainer$ContainerInterceptor.invoke(EntityContainer.java:1172)
	at org.jboss.ejb.plugins.cmp.jdbc.JDBCRelationInterceptor.invoke(JDBCRelationInterceptor.java:87)
	at org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke(EntitySynchronizationInterceptor.java:284)
	at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158)
	at org.jboss.ejb.plugins.EntityReentranceInterceptor.invoke(EntityReentranceInterceptor.java:126)
	at org.jboss.ejb.plugins.EntityInstanceInterceptor.invoke(EntityInstanceInterceptor.java:276)
	at org.jboss.ejb.plugins.EntityLockInterceptor.invoke(EntityLockInterceptor.java:104)
	at org.jboss.ejb.plugins.EntityCreationInterceptor.invoke(EntityCreationInterceptor.java:68)
	at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63)
	at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121)
	at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350)
	at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181)
	at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:168)
	at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
	at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136)
	at org.jboss.ejb.EntityContainer.internalInvoke(EntityContainer.java:527)
	at org.jboss.ejb.Container.invoke(Container.java:954)
	at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:430)
	at org.jboss.ejb.plugins.local.EntityProxy.invoke(EntityProxy.java:65)
	at $Proxy245.remove(Unknown Source)


Can anybody with this? 

Many thanks, 
S. Makhdoomi


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