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From: Rob Davies <rajdavies@gmail.com>
Subject: Re: ActiveMQ : java.lang.OutOfMemoryError: unable to create new
 native thread
Date: Tue, 17 Jul 2007 20:47:54 +0100
To: users@activemq.apache.org

can you monitor the server using jmx - to see how many threads/ 
sockets are being used ?

On Jul 17, 2007, at 8:36 PM, jzhang1 wrote:

>
> ActiveMQ gurus
>
> ActiveMQ version 4.1.0. It always crash after runing about 8 hours. I
> changed java heap and stack memory -Xmx -Xss. But it never helps.  The
> machine is 4G memory and 4 processors. The MQ messages arrive and  
> consume
> every minute. No message accumulation in the queue.
>
>
> Exception in thread "ActiveMQ Transport Server:
> stomp://release1m3.****.com:61613" 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.apache.activemq.thread.DedicatedTaskRunner.<init> 
> (DedicatedTaskRunner.java:45)
>         at
> org.apache.activemq.thread.TaskRunnerFactory.createTaskRunner 
> (TaskRunnerFactory.java:77)
>         at
> org.apache.activemq.broker.TransportConnection.<init> 
> (TransportConnection.java:166)
>         at
> org.apache.activemq.broker.jmx.ManagedTransportConnection.<init> 
> (ManagedTransportConnection.java:55)
>         at
> org.apache.activemq.broker.jmx.ManagedTransportConnector.createConnect 
> ion(ManagedTransportConnector.java:56)
>         at
> org.apache.activemq.broker.TransportConnector$1.onAccept 
> (TransportConnector.java:147)
>         at
> org.apache.activemq.transport.tcp.TcpTransportServer.run 
> (TcpTransportServer.java:167)
>         at java.lang.Thread.run(Thread.java:595)
>
> -- 
> View this message in context: http://www.nabble.com/ActiveMQ-%3A- 
> java.lang.OutOfMemoryError%3A-unable-to-create-new-native-thread- 
> tf4099069s2354.html#a11656339
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>