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WLS 10.3: Intermittent XA error when using EJB(CMP) (Doc ID 1118264.1)

Last updated on MARCH 01, 2018

Applies to:

Oracle WebLogic Server - Version 10.3 to 10.3.6
Information in this document applies to any platform.

Symptoms

In WebLogic 10.3, a CMP EJB sometimes throws the below exception:

Caused by: com.x.common.utils.LoggableEJBException: nested exception is: javax.ejb.TransactionRolledbackLocalException: EJB Exception:; nested exception is: java.sql.SQLException: Unexpected exception while enlisting XAConnection java.sql.SQLException: XA error: XAResource.XAER_RMFAIL start() failed on resource 'TX_OPDB_RAC': XAER_RMFAIL : Resource manager is unavailable
javax.transaction.xa.XAException: Internal error: XAResource 'TX_OPDB_RAC' is unavailable
at weblogic.transaction.internal.XAResourceDescriptor.checkResource(XAResourceDescriptor.java:941)
at weblogic.transaction.internal.XAResourceDescriptor.startResourceUse(XAResourceDescriptor.java:630)
at weblogic.transaction.internal.XAServerResourceInfo.start(XAServerResourceInfo.java:1182)
at weblogic.transaction.internal.XAServerResourceInfo.xaStart(XAServerResourceInfo.java:1116)
at weblogic.transaction.internal.XAServerResourceInfo.enlist(XAServerResourceInfo.java:275)
at weblogic.transaction.internal.ServerTransactionImpl.enlistResource(ServerTransactionImpl.java:511)
at weblogic.transaction.internal.ServerTransactionImpl.enlistResource(ServerTransactionImpl.java:438)
at weblogic.jdbc.jta.DataSource.enlist(DataSource.java:1406)
at weblogic.jdbc.jta.DataSource.refreshXAConnAndEnlist(DataSource.java:1330)
at weblogic.jdbc.jta.DataSource.getConnection(DataSource.java:425)
at weblogic.jdbc.jta.DataSource.connect(DataSource.java:382)
at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSource.java:338)
at weblogic.ejb.container.cmp.rdbms.RDBMSPersistenceManager.getConnection(RDBMSPersistenceManager.java:4028)
...


As observed and reported, the problem happens intermittently and only happens when the transaction takes longer time.

Cause

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