cool, thx for the info! greez,
dialsc Geoffrey Arnold wrote: > > Hi all, > > We have a forwarding bridge between an embedded broker in one VM and a > remote broker in another VM using the examples from the network-of-brokers > documentation[1]. While testing failover, we left the embedded broker VM > running overnight but did not start the remote broker VM. NOTE: The > embedded broker VM was idle (we were not testing application logic). > > In the morning the embedded broker VM threw an OutOfMemoryError: > > Exception in thread "Simple Discovery Agent: > java.util.concurrent.threadpoolexecutor$wor...@61472b3c" > java.lang.OutOfMemoryError: Java heap space > at > org.apache.activemq.openwire.OpenWireFormat.<init>(OpenWireFormat.java:60) > at > org.apache.activemq.openwire.OpenWireFormat.<init>(OpenWireFormat.java:69) > at > org.apache.activemq.openwire.OpenWireFormatFactory.createWireFormat(OpenWireFormatFactory.java:62) > at > org.apache.activemq.transport.TransportFactory.createWireFormat(TransportFactory.java:212) > at > org.apache.activemq.transport.TransportFactory.doConnect(TransportFactory.java:140) > at > org.apache.activemq.transport.TransportFactory.connect(TransportFactory.java:67) > at > org.apache.activemq.network.DiscoveryNetworkConnector.onServiceAdd(DiscoveryNetworkConnector.java:111) > at > org.apache.activemq.transport.discovery.simple.SimpleDiscoveryAgent$1.run(SimpleDiscoveryAgent.java:164) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:637) > > Our logs contained repeated (and expected) messages indicating that a > connection could not be established with the remote broker. The one thing > that stands out from these logs is that a new thread was created in the > embedded broker VM on each attempt to connect to the remote broker VM: > > [1259881226751][Thread-10] Could not start network bridge between: > vm://embeddedBroker and: tcp://localhost:61616 due to: > java.net.ConnectException: Connection refused > [1259881227757][Thread-11] Could not start network bridge between: > vm://embeddedBroker and: tcp://localhost:61616 due to: > java.net.ConnectException: Connection refused > [1259881229762][Thread-12] Could not start network bridge between: > vm://embeddedBroker and: tcp://localhost:61616 due to: > java.net.ConnectException: Connection refused > ... > [1259888976178][Thread-267] Could not start network bridge between: > vm://embeddedBroker and: tcp://localhost:61616 due to: > java.net.ConnectException: Connection refused > [1259889006398][Thread-268] Could not start network bridge between: > vm://embeddedBroker and: tcp://localhost:61616 due to: > java.net.ConnectException: Connection refused > [1259889036611][Thread-269] Could not start network bridge between: > vm://embeddedBroker and: tcp://localhost:61616 due to: > java.net.ConnectException: Connection refused > > The embedded broker VM is configured via Spring as follows: > > <amq:broker id="embeddedBroker" brokerName="embeddedBroker" > useJmx="true" > persistent="false" useShutdownHook="true"> > <amq:managementContext> > <amq:managementContext createConnector="false"/> > </amq:managementContext> > <amq:networkConnectors> > <amq:networkConnector > uri="static:(tcp://localhost:61616)"/> > </amq:networkConnectors> > </amq:broker> > > Any help would be greatly appreciated. > > Thanks, > Geoff. > > [1] http://activemq.apache.org/networks-of-brokers.html > -- View this message in context: http://old.nabble.com/OutOfMemoryError-when-reconnecting-forwarding-bridge-tp26647354p29086521.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
