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)

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