[jboss-jira] [JBoss JIRA] (WFLY-6412) Timer fails if transaction isolation set to SERIALIZABLE on Oracle 11g

[Gábor Péntek (JIRA)]

Gábor Péntek created WFLY-6412:
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             Summary: Timer fails if transaction isolation set to SERIALIZABLE on Oracle 11g
                 Key: WFLY-6412
                 URL: https://issues.jboss.org/browse/WFLY-6412
             Project: WildFly
          Issue Type: Bug
          Components: EJB
         Environment: Linux, JDK8, Oracle DB 11g
            Reporter: Gábor Péntek
             Fix For: 10.0.0.Final, 8.2.0.Final


If the transaction isolation level is set to SERIALIZABLE if one node aquires the row lock via the 
UPDATE JBOSS_EJB_TIMER.. 
the other nodes throw an
ORA-08177: can't serialize access for this transaction
exception.

The timer thats row threw the exception never runs any more, not even in case the other nodes were shut down.
The serialization exception is also thrown upon server/application startup sometimes.



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