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From Christian Posta <christian.po...@gmail.com>
Subject Re: activemq5.5 client high cpu usage
Date Wed, 11 Dec 2013 16:25:47 GMT
wanna give 5.9 a try?  http://activemq.apache.org/activemq-590-release.html

On Wed, Dec 11, 2013 at 12:16 AM, liangwb2001 <liangwb2001@gmail.com> wrote:
> I think this is a multi thread sync bug of ActiveMQConnection, for example:
>         ExceptionListener exceptionListener = new ExceptionListener() {
>                 public onException(JMSException exception){
>                         conn.close;
>                 }
>         };
>
> Thread main :
> time 1. create a connection successfully;
> time 2. connection.setExceptionListener(exceptionListener);
> time 3. activemq server shutdown;
> time 4. send a message, learn activemq down state;
>
> Thread onAsyncException()'s new Runnable -- ActiveMQ Connection Executor:
> unconnected :
> time 5. ActiveMQConnection.close();
> time 6. throws javax.jms.JMSException on
> ActiveMQConnection.doSyncSendPacket();
>
> Thread onException()'s new Runnable -- ActiveMQ Connection Executor:
> unconnected :
> time 7. do nothing because of (!closing.get() && !closed.get()) == false;
>
> So, ServiceSupport.dispose(this.transport) wouldn't be inoked,
> FailoverTransport.reconnectTask wouldn't be shutdown;
> ActiveMQ Task wakeup for ever, and doReconnect() returned at
> ((connectedTransport.get() != null && !doRebalance) || disposed ||
> connectionFailure != null),
> and high cpu usage;
>
>
>
> --
> View this message in context: http://activemq.2283324.n4.nabble.com/activemq5-5-client-high-cpu-usage-tp4675314p4675349.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.



-- 
Christian Posta
http://www.christianposta.com/blog
twitter: @christianposta

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