[jboss-user] [JBoss Messaging] - JBoss doesnt release threads after executing MDB (out of Mem
Hi,
I am using JBoss AS jboss-4.0.2.
I am getting OutOfMemoryError when I send the messages to an MDB. It happens after i send
30-40 messages. What I have observed on the web-console of Jboss is that #Threads
increases by some 30 whenever I sent one message to a queue. Even though message is
getting consumed instantly, the thread count doesn?t come down but keep on increasing by a
factor of approx 30 or more with each message. After sometime it reaches some 2000 figure
and server starts giving out of memory error. If I make process synchronous (I mean not
use MDB) , thread count doesnt increase.
It implies that each message is adding approx. 30 threads and threads are not released
after messages are getting consumed. Can anybody explain it and give a fix ?
Please find the stack of errors below. I get either of these two stacks.
Any help will be appreciated.
Thank you
Suhail
20 Dec 2006 16:20:10,176 WARN (UILServerILService Accept Thread:)
[org.jboss.mq.il.uil2.UILServerILService] Unexpected error in setup of client connection
java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:574)
at org.jboss.mq.il.uil2.SocketManager.start(SocketManager.java:147)
at org.jboss.mq.il.uil2.UILServerILService.run(UILServerILService.java:162)
at java.lang.Thread.run(Thread.java:595)
20 Dec 2006 13:18:35,031 ERROR (TimeoutFactory-0:)
[org.jboss.logging.Log4jService$ThrowableListenerLoggingAdapter] Unhandled Throwable
org.jboss.util.threadpool.ThreadPoolFullException: java.lang.OutOfMemoryError: unable to
create new native thread
at org.jboss.util.threadpool.BasicThreadPool.execute(BasicThreadPool.java:417)
at org.jboss.util.threadpool.BasicThreadPool.runTaskWrapper(BasicThreadPool.java:192)
at org.jboss.util.threadpool.BasicThreadPool.run(BasicThreadPool.java:212)
at org.jboss.util.threadpool.BasicThreadPool.run(BasicThreadPool.java:206)
at org.jboss.util.timeout.TimeoutFactory.doWork(TimeoutFactory.java:223)
at org.jboss.util.timeout.TimeoutFactory.access$000(TimeoutFactory.java:41)
at org.jboss.util.timeout.TimeoutFactory$1.run(TimeoutFactory.java:136)
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