[jboss-jira] [JBoss JIRA] Created: (JBTM-213) Threads in endless loop in TransactionReaper.

Tue May 1 12:57:30 EDT 2007

Threads in endless loop in TransactionReaper.
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                 Key: JBTM-213
                 URL: http://jira.jboss.com/jira/browse/JBTM-213
             Project: JBoss Transaction Manager
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: JTA Implementation
            Reporter: Phillip Thurmond
         Assigned To: Mark Little

After generating a load against JBossAS 4.2 beta1, the cpu is pegged at 100% even after the load has stopped.  A thread dump reveals several threads at TransactionReaper.insert().  These threads are all doing a WeakHashMap.get().  Looking at TransactionReaper, I believe this is caused by unsynchronized access to the _timeouts WeakHahsMap.  This is line 324 in TransactionReaper.java.

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