[jboss-user] [EJB 3.0] - Re: EJBException: Failed to acquire the pool semaphore, stri

[jaikiran]

anonymous wrote : So 20 messages had been started and of those 5 had been completed

If you look at the ejb3-interceptors-aop.xml in the deploy folder, you will notice that for the Message Driven Bean, there's a StrictMaxPool setting of max pool size = 15. 

Looking at your logs, it appears that each message processing in the onMessage takes around 10 or more minutes. And you have reached a stage where all the pool size of 15 has exhausted for that MDB. You can configure the pool size for your MDB by using a @PoolClass annotation. See this for details http://www.jboss.org/jbossejb3/docs/reference/build/reference/en/html/session-bean-config.html 

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