[jboss-user] [Messaging, JMS & JBossMQ] - Re: How to limit the maximum number of concurrently executin

[ssrrll]

Thanks for your reply! :) 
It's container managed. The MDBs do nothing in the testing environment. The error message is shown below:

java.sql.SQLException: null,  message from server: "Deadlock found when trying to get lock; try restarting transaction"

org.jboss.resource.adapter.jdbc.WrappedPreparedStatement.executeUpdate(WrappedPreparedStatement.java:251)
        at org.jboss.mq.pm.jdbc2.PersistenceManager.remove(PersistenceManager.java:1401)
        at org.jboss.mq.server.BasicQueue.acknowledge(BasicQueue.java:749)
        at org.jboss.mq.server.JMSTopic.acknowledge(JMSTopic.java:349)

I got this exception even though both parameters MaximumSize and MinimumSize of container invoker "message-driven-bean" set to 1 and MDB container parameter "MaximumSize" set to 1 with "strictMaximumSize" set to true

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