It's fixed by our system engineer. our AMQ is running up to 1m of msg now. The problem was firewall.
http://activemq.apache.org/multicast-transport.html http://en.wikipedia.org/wiki/Multicast Bill Schuller wrote: > > Unix variants use a file descriptor for each network connection. In my > messaging experience, 9 times out of 10 file descriptor issues are > associated with the number of active network connections the process has > open. With a file descriptor limit of 10240, the process either has a lot > of > files or a lot of network connections open. Check to ensure your clients > are > doing connection pooling, etc. > > > > From: deathemperor <deathempe...@gmail.com> > Reply-To: ActiveMQ Users <users@activemq.apache.org> > Date: Mon, 30 Mar 2009 20:34:03 -0700 > To: ActiveMQ Users <users@activemq.apache.org> > Subject: ActiveMQ 5.2 too many open files exception > > > > I'm running AMQ 5.2.0 and keep getting the error: > > 2009-03-31 08:41:28,674 [...@0.0.0.0:8161] WARN log > - EXCEPTION > java.io.IOException: Too many open files > at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) > at sun.nio.ch.ServerSocketChannelImpl.accept(Unknown Source) > at > org.mortbay.jetty.nio.SelectChannelConnector$1.acceptChannel(SelectChannelCo > nnector.java:75) > at > org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:4 > 75) > at > org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:166) > at > org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.j > ava:124) > at > org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:537) > at > org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:4 > 50) > > This cause either of these problem: > > - ActiveMQ process hangs on Apache, no messages can be sent or received, > the > AMQ admin is not responding at the time either. > - AMQ & AMQ admin running but no messages can be sent although > receiver/consumer can still connect and check for message. > > > The pre-procedure is to start AMQ as background service, running message > up > to 18-20k and the above occurs. > > Some of my conf: > - maxFileLength: 1gb > - ulimit -n: 10240 > - cealnupInterval: 1000 (ms) > > > My another concern is why cealnupInterval doesn't work. Nothing get > cleaned > up as I expect the data file of the queue does. > > Please anyone help. > -- > View this message in context: > http://www.nabble.com/ActiveMQ-5.2-too-many-open-files-exception-tp22797720p > 22797720.html > Sent from the ActiveMQ - User mailing list archive at Nabble.com. > > > > > -- View this message in context: http://www.nabble.com/ActiveMQ-5.2-too-many-open-files-exception-tp22797720p22834998.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
