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EOFExceptions and IOExceptions in EJB calls under load
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created by <a href="https://community.jboss.org/people/chrkoelle">Christian Kölle</a> in <i>JBoss Remoting</i> - <a href="https://community.jboss.org/message/766986#766986">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;"> </p><p>We have a web application that ist split up in a frontend and a backend application. The frontend calls EJBs in the backend. This works pretty well but in production we occasionaly we get exceptions at times that we know as high load periods.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Both applications run on JBoss 7.1.2 application servers.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>In the frontend we see something like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">00:59:10,337 ERROR [org.jboss.remoting.remote.connection] (Remoting "jboss-web-extern" read-1) JBREM000200: Remote connection failed: java.io.IOException: Input overrun</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">00:59:10,393 ERROR [ch.nic.reg.web.action.ds.uc02.DomainBasketHandler] (ajp-/0.0.0.0:8009-130) Cannot perform usecase ***</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">java.lang.reflect.UndeclaredThrowableException</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        $Proxy75.performUseCase(Unknown Source)</span></p><p>         ......</p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;"> Cause: java.io.EOFException: Writes have been shut down</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        org.xnio.channels.FramedMessageChannel.send(FramedMessageChannel.java:220)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        org.xnio.channels.Channels.sendBlocking(Channels.java:200)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        org.jboss.remoting3.remote.OutboundMessage$1.accept(OutboundMessage.java:109)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        org.xnio.streams.BufferPipeOutputStream.send(BufferPipeOutputStream.java:125)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        org.xnio.streams.BufferPipeOutputStream.send(BufferPipeOutputStream.java:113)</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>In the backend something like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">00:59:10,348 ERROR [org.jboss.as.ejb3.remote.protocol.versionone.MethodInvocationMessageHandler] (EJB default - 13) Could not write method invocation result for method public ***</span><span style="background-color: #e8e8e8; color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif;"> on bean named *** for appname *** modulename common-ejb distinctname due to : java.io.IOException: Broken pipe</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at sun.nio.ch.FileDispatcherImpl.write0(Native Method) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:89) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at sun.nio.ch.IOUtil.write(IOUtil.java:60) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:450) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.nio.AbstractNioStreamChannel.write(AbstractNioStreamChannel.java:303)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.channels.FramedMessageChannel.doFlushBuffer(FramedMessageChannel.java:297) [xnio-api-3.0.3.GA.jar:3.0.3.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.channels.FramedMessageChannel.doFlush(FramedMessageChannel.java:311) [xnio-api-3.0.3.GA.jar:3.0.3.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.channels.FramedMessageChannel.send(FramedMessageChannel.java:238) [xnio-api-3.0.3.GA.jar:3.0.3.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.channels.Channels.sendBlocking(Channels.java:200) [xnio-api-3.0.3.GA.jar:3.0.3.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.jboss.remoting3.remote.OutboundMessage$1.accept(OutboundMessage.java:109) [jboss-remoting-3.2.7.GA.jar:3.2.7.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.streams.BufferPipeOutputStream.send(BufferPipeOutputStream.java:125) [xnio-api-3.0.3.GA.jar:3.0.3.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.streams.BufferPipeOutputStream.send(BufferPipeOutputStream.java:113) [xnio-api-3.0.3.GA.jar:3.0.3.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.streams.BufferPipeOutputStream.flush(BufferPipeOutputStream.java:142) [xnio-api-3.0.3.GA.jar:3.0.3.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.xnio.streams.BufferPipeOutputStream.close(BufferPipeOutputStream.java:160) [xnio-api-3.0.3.GA.jar:3.0.3.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.jboss.remoting3.remote.OutboundMessage.close(OutboundMessage.java:193) [jboss-remoting-3.2.7.GA.jar:3.2.7.GA]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.jboss.as.ejb3.remote.protocol.versionone.ChannelAssociation.releaseChannelMessageOutputStream(ChannelAssociation.java:85)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.jboss.as.ejb3.remote.protocol.versionone.MethodInvocationMessageHandler.writeMethodInvocationResponse(MethodInvocationMessageHandler.java:348)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.jboss.as.ejb3.remote.protocol.versionone.MethodInvocationMessageHandler.access$500(MethodInvocationMessageHandler.java:67)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.jboss.as.ejb3.remote.protocol.versionone.MethodInvocationMessageHandler$1.run(MethodInvocationMessageHandler.java:237)</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at java.util.concurrent.FutureTask.run(FutureTask.java:166) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_06]</span></p><p><span style="color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; background-color: #e8e8e8;">        at org.jboss.threads.JBossThread.run(JBossThread.java:122) [jboss-threads-2.0.0.GA.jar:2.0.0.GA]</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I haven't found more information on this exceptions on the net. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>For me it is not clear what this means. Does this have an effect on the users? Is there a problem with our implementation or perhaps the configuration?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Christian</p></div>
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