Hi,
I need some help from experienced programmers - who have faced
this specific problem of 'transaction - timeout'. My GUI application
accesses my app server - deployed with some of my session & entity beans.
There is a certain case - when the processing task for the app server becomes
heavy because of the inputs from the GUI, I receive
the below exception:
[The cause for this exception was shown as the method call to a method in
entity bean - which gets accessed by multiple session beans]
-----------------------------------------------------------------------------------
java.lang.RuntimeException: Transaction marked for rollback, possibly a timeout
at
org.jboss.ejb.plugins.lock.QueuedPessimisticEJBLock.waitForTx(QueuedPessimisticEJBLock.java:366)
at
org.jboss.ejb.plugins.lock.QueuedPessimisticEJBLock.doSchedule(QueuedPessimisticEJBLock.java:236)
at
org.jboss.ejb.plugins.lock.QueuedPessimisticEJBLock.schedule(QueuedPessimisticEJBLock.java:183)
------------------------------------------------------------------------------------
These two warnings were also seen just before timing out.
2005-04-21 17:58:38,593 WARN [org.jboss.tm.TransactionImpl] Transaction
TransactionImpl:XidImpl [FormatId=257, GlobalId=baskarbj//995, BranchQual=]
timed out. status=STATUS_ACTIVE
2005-04-21 17:58:38,609 WARN [org.jboss.tm.TransactionImpl] Transaction
TransactionImpl:XidImpl [FormatId=257, GlobalId=baskarbj//999, BranchQual=]
timed out. status=STATUS_ACTIVE
------------------------------------------------------------------------------------
I mainly wanted to know - if the cause could be a 'dead lock' - that is causing
the timing out. If transaction dead locks - can happen, but still not be
notified through - an 'ApplicationDeadLockException' ?.
Please comment
Thanks in advance...
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