Problem starting service PersistenceManager during JBoss ON startup

Issue

During the JBoss ON startup, a WARN message is thrown in the rhq-server-log4j.log. Follow the message below:

2011-09-22 11:42:34,697 WARN  [org.jboss.system.ServiceController] Problem starting service jboss.mq:service=PersistenceManager
org.jboss.mq.SpyJMSException: Could not resolve uncommited transactions.  Message recovery may not be accurate; - nested throwable: (java.sql.SQLException: ORA-00933: SQL command not properly ended
)
        at org.jboss.mq.pm.jdbc2.PersistenceManager.resolveAllUncommitedTXs(PersistenceManager.java:489)
        at org.jboss.mq.pm.jdbc2.PersistenceManager.startService(PersistenceManager.java:1842)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
        at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
        at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)

...

Caused by: java.sql.SQLException: ORA-00933: SQL command not properly ended

...  

The issue occurs on an existing installation. What could be the reason of this WARN ?