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    SSL bisocket socketWrite0() hangs, while holding Messaging Post Office lock (on a network failure)
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    created by <a href="https://community.jboss.org/people/toddler">Todd Sandor</a> in <i>JBoss Remoting</i> - <a href="https://community.jboss.org/message/754327#754327">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi ...</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>We are using EAP5.1.1 (remoting-2-4-5.SP2) and experience a problem when using</p><p>SSL and there is a network hard failure (e.g. ethernet cable pulled), a socketWrite0() hangs</p><p>while holding a&#160; Messaging Post Office lock (readLock()) - this hangs JMS...(many threads</p><p>need PostOffice).&#160; Thread dump below.&#160; It is difficult to reproduce.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>A Solaris 10 environment.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>This problem has only been observed when SSL is used.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>In our remoting-bisocket-service.xml file, we use:</p><p> &lt;attribute isParam="true" name="writeTimeout"&gt;30000&lt;/attribute&gt;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>Have been told "writeTimeout" is broken when SSL is being used.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>It has been suggested, for SSL, we change the configuration to turn on the check_connection parameter:</p><p>&lt;attribute isParam="true" name="socket.check_connection"&gt;true&lt;/attribute&gt;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>But my concern is:</p><p>* results in an extra round-trip I/O (not good for a variety of reasons - throughput, remote clients with high latency connecitons, etc.).</p><p>* potential to hit other problems with check_connections enabled.&#160;&#160; e.g. found this:</p><p><a class="jive-link-external-small" href="https://community.jboss.org/message/369442#369442" target="_blank">https://community.jboss.org/message/369442</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>Has anyone experienced this problem and/or know a solution (other then using</p><p>"socket.check_connection") might be?</p><p>Searched and found a number of remoting issues on hard-network failure, but not this particular one...</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>Potentially Related Issue:</p><p><a class="jive-link-external-small" href="https://issues.jboss.org/browse/JBREM-1307" target="_blank">https://issues.jboss.org/browse/JBREM-1307</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>Thead Dump below:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>2012.07.26 13:23:38 -0500 INFO&#160; [STDOUT] "WorkerThread#1[10.143.109.23:60321]" Id=74 RUNNABLE (in native)</p><p>&#160;&#160;&#160; at java.net.SocketOutputStream.socketWrite0(Native Method)</p><p>&#160;&#160;&#160; at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)</p><p>&#160;&#160;&#160; at java.net.SocketOutputStream.write(SocketOutputStream.java:136)</p><p>&#160;&#160;&#160; at com.sun.net.ssl.internal.ssl.OutputRecord.writeBuffer(OutputRecord.java:297)</p><p>&#160;&#160;&#160; at com.sun.net.ssl.internal.ssl.OutputRecord.write(OutputRecord.java:286)</p><p>&#160;&#160;&#160; at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecordInternal(SSLSocketImpl.java:743)</p><p>&#160;&#160;&#160; at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:731)</p><p>&#160;&#160;&#160; at com.sun.net.ssl.internal.ssl.AppOutputStream.write(AppOutputStream.java:59)</p><p>&#160;&#160;&#160; -&#160; locked com.sun.net.ssl.internal.ssl.AppOutputStream@ac9224</p><p>&#160;&#160;&#160; at org.jboss.remoting.transport.socket.TimedOutputStream.write(TimedOutputStream.java:119)</p><p>&#160;&#160;&#160; at java.io.BufferedOutputStream.write(BufferedOutputStream.java:105)</p><p>&#160;&#160;&#160; -&#160; locked java.io.BufferedOutputStream@1aea5f0</p><p>&#160;&#160;&#160; at java.io.DataOutputStream.write(DataOutputStream.java:90)</p><p>&#160;&#160;&#160; -&#160; locked java.io.DataOutputStream@16e88df</p><p>&#160;&#160;&#160; at java.io.FilterOutputStream.write(FilterOutputStream.java:80)</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.message.MessageSupport.write(MessageSupport.java:387)</p><p>&#160;&#160;&#160; at org.jboss.jms.message.JBossMessage.write(JBossMessage.java:1069)</p><p>&#160;&#160;&#160; at org.jboss.jms.wireformat.ClientDelivery.write(ClientDelivery.java:91)</p><p>&#160;&#160;&#160; at org.jboss.jms.wireformat.JMSWireFormat.write(JMSWireFormat.java:237)</p><p>&#160;&#160;&#160; at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.versionedWrite(MicroSocketClientInvoker.java:1325)</p><p>&#160;&#160;&#160; at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.transport(MicroSocketClientInvoker.java:861)</p><p>&#160;&#160;&#160; at org.jboss.remoting.transport.bisocket.BisocketClientInvoker.transport(BisocketClientInvoker.java:470)</p><p>&#160;&#160;&#160; at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:169)</p><p>&#160;&#160;&#160; at org.jboss.remoting.Client.invoke(Client.java:2070)</p><p>&#160;&#160;&#160; at org.jboss.remoting.Client.invoke(Client.java:879)</p><p>&#160;&#160;&#160; at org.jboss.remoting.Client.invokeOneway(Client.java:928)</p><p>&#160;&#160;&#160; at org.jboss.remoting.callback.ServerInvokerCallbackHandler.handleCallback(ServerInvokerCallbackHandler.java:835)</p><p>&#160;&#160;&#160; at org.jboss.remoting.callback.ServerInvokerCallbackHandler.handleCallbackOneway(ServerInvokerCallbackHandler.java:708)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.endpoint.ServerSessionEndpoint.performDelivery(ServerSessionEndpoint.java:1600)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.endpoint.ServerSessionEndpoint.handleDelivery(ServerSessionEndpoint.java:1512)</p><p>&#160;&#160;&#160; -&#160; locked org.jboss.jms.server.endpoint.ServerSessionEndpoint@1105e96</p><p>&#160;&#160;&#160; at org.jboss.jms.server.endpoint.ServerConsumerEndpoint.handle(ServerConsumerEndpoint.java:353)</p><p>&#160;&#160;&#160; -&#160; locked java.lang.Object@1b1dde3</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.RoundRobinDistributor.handle(RoundRobinDistributor.java:119)</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.MessagingQueue$DistributorWrapper.handle(MessagingQueue.java:617)</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.ClusterRoundRobinDistributor.handle(ClusterRoundRobinDistributor.java:79)</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.ChannelSupport.deliverInternal(ChannelSupport.java:681)</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.MessagingQueue.deliverInternal(MessagingQueue.java:540)</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.ChannelSupport.handle(ChannelSupport.java:251)</p><p>&#160;&#160;&#160; -&#160; locked java.lang.Object@5e7463</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.postoffice.MessagingPostOffice.routeInternal(MessagingPostOffice.java:3133)</p><p>&#160;&#160;&#160; at org.jboss.messaging.core.impl.postoffice.MessagingPostOffice.route(MessagingPostOffice.java:956)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.endpoint.ServerConnectionEndpoint.sendMessage(ServerConnectionEndpoint.java:794)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.endpoint.ServerSessionEndpoint.send(ServerSessionEndpoint.java:435)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.endpoint.advised.SessionAdvised.org$jboss$jms$server$endpoint$advised$SessionAdvised$send$aop(SessionAdvised.java:87)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.endpoint.advised.SessionAdvised$send_7280680627620114891.invokeTarget(SessionAdvised$send_7280680627620114891.java)</p><p>&#160;&#160;&#160; at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:111)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.container.SecurityAspect.handleSend(SecurityAspect.java:158)</p><p>&#160;&#160;&#160; at sun.reflect.GeneratedMethodAccessor224.invoke(Unknown Source)</p><p>&#160;&#160;&#160; at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>&#160;&#160;&#160; at java.lang.reflect.Method.invoke(Method.java:597)</p><p>&#160;&#160;&#160; at org.jboss.aop.advice.PerInstanceAdvice.invoke(PerInstanceAdvice.java:122)</p><p>&#160;&#160;&#160; at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</p><p>&#160;&#160;&#160; at com.timetra.nms.server.j2ee.jms.messaging.JBossMessagingServerInterceptor.handleSessionSend(JBossMessagingServerInterceptor.java:346)</p><p>&#160;&#160;&#160; at sun.reflect.GeneratedMethodAccessor223.invoke(Unknown Source)</p><p>&#160;&#160;&#160; at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>&#160;&#160;&#160; at java.lang.reflect.Method.invoke(Method.java:597)</p><p>&#160;&#160;&#160; at org.jboss.aop.advice.PerInstanceAdvice.invoke(PerInstanceAdvice.java:122)</p><p>&#160;&#160;&#160; at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.endpoint.advised.SessionAdvised.send(SessionAdvised.java)</p><p>&#160;&#160;&#160; at org.jboss.jms.wireformat.SessionSendRequest.serverInvoke(SessionSendRequest.java:95)</p><p>&#160;&#160;&#160; at org.jboss.jms.server.remoting.JMSServerInvocationHandler.invoke(JMSServerInvocationHandler.java:165)</p><p>&#160;&#160;&#160; at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:967)</p><p>&#160;&#160;&#160; at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:791)</p><p>&#160;&#160;&#160; -&#160; locked org.jboss.remoting.transport.socket.ServerThread@465cc</p><p>&#160;&#160;&#160; at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:744)</p><p>&#160;&#160;&#160; at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:586)</p><p>&#160;&#160;&#160; at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:234)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>&#160;&#160;&#160; Number of locked synchronizers = 1</p><p>&#160;&#160;&#160; - java.util.concurrent.locks.ReentrantLock$NonfairSync@12b4a3e</p></div>

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