[jboss-user] [EJB3] - @Pool / @ActivationConfigProperty multitheading problem?

Martín Urtasun do-not-reply at jboss.com
Sat Sep 10 18:24:45 EDT 2011

Martín Urtasun [http://community.jboss.org/people/letincho] created the discussion

"@Pool / @ActivationConfigProperty multitheading problem?"

To view the discussion, visit: http://community.jboss.org/message/625898#625898

Hi,   After 1 or 2 days of normal execution, the server hangs: I can't login by ssh or access to the web console (or any other application running on JBoss). The log of JBoss just stop without any exception.   This problem started when I configured the pool size of may MDB with the @Pool annotation. I have more than 50 MDBs. Because of my performance problems (of throuput) I try to configure differents pool size on each MDBs.   So, I'd configured \server\default\deploy\jca-jboss-beans.xml,  with 2048.   And put diferents values on each MDB.             @ActivationConfigProperty(propertyName = "maxMessages", propertyValue = "1"),           @ActivationConfigProperty(propertyName = "maxSession", propertyValue = "50")})           @Pool (value=PoolDefaults.POOL_IMPLEMENTATION_STRICTMAX,maxSize=50,timeout=20000)  The sum of the all maxSize is around 1000.   I've no problem of database connection.   I've no OutOfMemory exception.   I've no exception on my logs.   My server is running on a VirtualBox 4, with 8 processors (the host has 16)  with 6GB of RAM (the host has 16GB).    I guess about a multithreading problem or a pool administration bug, but I can't found any solution.   Can anybody help me?  Thanks in advance.  Martín  PD:   Server information:   Version: 5.1.0.GA (build: SVNTag=JBoss_5_1_0_GA date=200905221100) Version Name: The Oracle Built on: May 22 2009  JVM Environment Free Memory: 2067 MB Max Memory: 2995 MB Total Memory: 2995 MB #Threads: 2206 JVM Version: 1.5.0_22-b03 (Sun Microsystems Inc.) JVM Name: Java HotSpot(TM) 64-Bit Server VM  #CPU: 8 OS: Linux (amd64)

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