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From ttmdev <joe.fernan...@ttmsolutions.com>
Subject Re: ActiveMQ 5.0.0 OutOfMemory
Date Tue, 04 Mar 2008 02:58:47 GMT

The "36 ActiveMQ processes" that you mention...are these 36 message brokers? 

Joe
www.ttmsolutions.com


QWERTY? wrote:
> 
> Hi,
> 
> when running activemq and I connect to it with a client I get the
> following exception or exceptions?
> 
> java.io.EOFException
>         at java.io.DataInputStream.readInt(DataInputStream.java:375)
>         at
> org.apache.activemq.openwire.OpenWireFormat.unmarshal(OpenWireFormat.
> java:268)
>         at
> org.apache.activemq.transport.tcp.TcpTransport.readCommand(TcpTranspo
> rt.java:192)
>         at
> org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.jav
> a:184)
>         at
> org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:
> 172)
>         at java.lang.Thread.run(Thread.java:619)
> Exception in thread "ActiveMQ Transport Initiator: /152.153.42.183:2963"
> java.la
> ng.OutOfMemoryError: unable to create new native thread
>         at java.lang.Thread.start0(Native Method)DEBUG TransportConnection
>       - Stopping connection: /152.153.42.183:2963
> 
>         at java.lang.Thread.start(Thread.java:597)
>         at
> org.apache.activemq.thread.DedicatedTaskRunner.<init>(DedicatedTaskRu
> nner.java:42)
>         at
> org.apache.activemq.thread.TaskRunnerFactory.createTaskRunner(TaskRun
> nerFactory.java:74)
>         at
> org.apache.activemq.broker.TransportConnection.start(TransportConnect
> ion.java:840)
>         at
> org.apache.activemq.broker.TransportConnector$1$1.run(TransportConnec
> tor.java:152)
> 
> 
> But one thing i have noticed is that when I run AMQ on this particular
> machine i get up to 36 activeMQ processes...(this is prior to any
> connections) where on the other 4 systems It runs on there is only 1..
> 
> I have tired to fiddle with the JVM memory stack thingies but with no lock
> (increasing, decreasing etc) and its not a file descriptor restriction
> issue (its set to 65536)
> 
> any ideas? 
> 
> 
> 

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