Hi,
I'm running JBoss 4.0.4 with MySQL 5.1.
I have an EJB2 solution that uses a facade-like design pattern: a message
driven bean instantiates a stateless session bean which in turn instantiates
CMP Entity beans. The session bean calls findByPrimaryKey() to instantiate a
particular entity bean. Under normal operation, everything appears to work fine
under heavy loads -- except if the server goes down and is then restarted. If
messages are piled up in the JMS queue, then findByPrimaryKey() fails on the
first message invocation:
2009-07-13 09:25:39,115 ERROR [org.jboss.ejb.plugins.LogInterceptor]
TransactionRolledbackException in method: public abstract
com.adobe.liaisonEJB.AccountRemoteEB
com.adobe.liaisonEJB.AccountHomeEB.findByPrimaryKey(java.lang.String) throws
java.rmi.RemoteException,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)
.....
Any ideas as to why this is happening? Is it something to do with the MySQL
configuration? Or the CMP configuration?
Thanks in advance,
Mark
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