[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - Perplexing error - meta-aware object error

[mohitanchlia]

I am seeing following error: could someone help:

2008-11-20 17:30:05,342 ERROR [hibernate.util.JDBCExceptionReporter] - Could not enlist in transaction on entering meta-aware object!; - nested throwable: (java.lang.IllegalStateException: Trying to change transaction TransactionImple < ac, BasicAction: a0a515c:cd7e:4925f02a:42a581 status: ActionStatus.RUNNING > in enlist!); - nested throwable: (org.jboss.resource.JBossResourceException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (java.lang.IllegalStateException: Trying to change transaction TransactionImple < ac, BasicAction: a0a515c:cd7e:4925f02a:42a581 status: ActionStatus.RUNNING > in enlist!))

javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Cannot open connection
        at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:629)
        at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:194)
        at org.jboss.ejb3.entity.TransactionScopedEntityManager.find(TransactionScopedEntityManager.java:171)


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