[jboss-user] [JCA/JBoss] - javax.resource.ResourceExcption while using JmsXA

rana24 do-not-reply at jboss.com
Wed Jan 14 04:17:54 EST 2009

We are running our application with JBoss 4.2.3 GA with JBM 1.4.0SP3. 
I have just changed my anti pattern ,connection creation code to JmsXA lookup. I could see a great performance improvment. 

With default setting i am getting below error. I guess it has something do with default max pool size, which is 20. in hajndi-jms-ds.xml 
i.e. <max-pool-size>20</max-pool-size> 

  |  Could not create a session: javax.resource.ResourceException: No ManagedConnections available withi
  | n configured blocking timeout ( 30000 [ms] )
  | javax.jms.JMSException: Could not create a session: javax.resource.ResourceException: No ManagedConn
  | ections available within configured blocking timeout ( 30000 [ms] )
  | 	at org.jboss.resource.adapter.jms.JmsSessionFactoryImpl.allocateConnection(JmsSessionFactoryImpl.ja
  | va:421)
  | 	at org.jboss.resource.adapter.jms.JmsSessionFactoryImpl.createQueueSession(JmsSessionFactoryImpl.ja
  | va:145)
  | 	at com.alservices.imaging.export.process.util.AuditUtil.setjobDocResource(AuditUtil.java:281)
I have increased it max-pool-size and i could reduce frequency of above error. Our application does a heavy usage of messaging. 
I have two basic question 
1) Above error is because of low pool size ? 
if Yes , what is the max. limit for max.pool.size 
2) If above error is not because of pool size , what could be other reason ? 

Any pointer to this ?

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