WADI 1

2004/10/08 16:41:47:074 BST [WARN] wadi - -/wadi/jsp/render.jsp:  <java.lang.NullPointerException>java.lang.NullPointerException
	at org.codehaus.wadi.Filter.doFilter(Filter.java:164)
	at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:511)
	at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:463)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:525)
	at org.mortbay.http.HttpContext.handle(HttpContext.java:1457)
	at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:514)
	at org.mortbay.http.HttpContext.handle(HttpContext.java:1409)
	at org.mortbay.http.HttpServer.service(HttpServer.java:889)
	at org.mortbay.http.HttpConnection.service(HttpConnection.java:831)
	at org.mortbay.http.ajp.AJP13Connection.handleNext(AJP13Connection.java:287)
	at org.mortbay.http.HttpConnection.handle(HttpConnection.java:848)
	at org.mortbay.http.ajp.AJP13Listener.handleConnection(AJP13Listener.java:212)
	at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:325)
	at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:520)

2004/10/08 16:41:48:868 BST [WARN] Filter - -88F945EB24909A6D6CEAB2E440F7D563: local session emmigrated before it could be locked into container

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WADI 2
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1). node0 sends out a request (R) for a session's immigration
2). node1 receives R and sends the session back
3). node0 acknowledges and migration commits
4). node2 [in]directly acquires the same session from node1
5). node2 receives R sometime later and sends the same session to node0
6). node0 does not acknowledge - it no longer requires the session
7). node2 times out and issues a warning :-(

at (6), node0 could send a non-acknowledgement, explaining what has
happened and preventing the warning...


2005/04/21 06:25:58:389 BST [WARN] MessageDispatcher - -no response to request within timeout (500 millis): 03A5A3A0B6A8874D483C767F1DBACB7E
2005/04/21 06:25:58:389 BST [WARN] ImmigrateRelocationStrategy$ImmigrationImmoter - -no ack received for session immigration: 03A5A3A0B6A8874D483C767F1DBACB7E-19107-TemporaryTopic-{TD{ID:smilodon-36744-1114014573474-6:0}TD}ID:smilodon-36744-1114014573474-12:0
2005/04/21 06:25:58:389 BST [WARN] Utils - -motion failed: 03A5A3A0B6A8874D483C767F1DBACB7E : memory -> emigration (504 millis)


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not sure about this one :

2005/04/20 17:56:57:627 BST [WARN] ImmigrateRelocationStrategy - -problem handling immigration request: FB1F0D58D581BE642D8E27CAF3D54F7C <EDU.oswego.cs.dl.util.concurrent.BrokenBarrierException>EDU.oswego.cs.dl.util.concurrent.BrokenBarrierException
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.doRendezvous(Unknown Source)
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.attemptRendezvous(Unknown Source)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher.exchangeMessages(MessageDispatcher.java:238)
	at org.codehaus.wadi.sandbox.impl.ImmigrateRelocationStrategy$ImmigrationImmoter.prepare(ImmigrateRelocationStrategy.java:246)
	at org.codehaus.wadi.sandbox.impl.Utils.mote(Utils.java:62)
	at org.codehaus.wadi.sandbox.impl.AbstractChainedContextualiser.promote(AbstractChainedContextualiser.java:74)
	at org.codehaus.wadi.sandbox.impl.MemoryContextualiser.handle(MemoryContextualiser.java:81)
	at org.codehaus.wadi.sandbox.impl.AbstractChainedContextualiser.contextualise(AbstractChainedContextualiser.java:68)
	at org.codehaus.wadi.sandbox.impl.ImmigrateRelocationStrategy.onMessage(ImmigrateRelocationStrategy.java:201)
	at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:324)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$TargetDispatcher.dispatch(MessageDispatcher.java:86)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$DispatchThread.run(MessageDispatcher.java:187)

2005/04/20 17:56:59:827 BST [WARN] MessageDispatcher - -no response to request within timeout (500 millis): FB1F0D58D581BE642D8E27CAF3D54F7C

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an activemq issue - probably resolved when lifecycle is introduced...

2005/04/21 06:27:03:684 BST [INFO] Server - -Shutdown hook complete
java.lang.NullPointerException
	at org.mortbay.http.ContextLoader.loadClass(ContextLoader.java:202)
	at org.mortbay.http.ContextLoader.loadClass(ContextLoader.java:186)
	at org.codehaus.activemq.util.SerializationHelper$ObjectInputStreamExt.resolveClass(SerializationHelper.java:101)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1435)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1626)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
	at org.codehaus.activemq.util.SerializationHelper.readObject(SerializationHelper.java:74)
	at org.codehaus.activemq.message.ActiveMQObjectMessage.readBody(ActiveMQObjectMessage.java:208)
	at org.codehaus.activemq.message.ActiveMQMessage.buildBodyFromBytes(ActiveMQMessage.java:2284)
	at org.codehaus.activemq.message.ActiveMQObjectMessage.getObject(ActiveMQObjectMessage.java:161)
	at org.codehaus.activemq.message.ActiveMQObjectMessage.toString(ActiveMQObjectMessage.java:219)
	at java.lang.String.valueOf(String.java:2131)
	at java.lang.StringBuffer.append(StringBuffer.java:370)
	at org.codehaus.activemq.ActiveMQMessageConsumer.processMessage(ActiveMQMessageConsumer.java:448)
	at org.codehaus.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:112)
	at org.codehaus.activemq.ActiveMQSessionExecutor.run(ActiveMQSessionExecutor.java:97)
	at java.lang.Thread.run(Thread.java:534)


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2005/04/21 12:16:09:624 BST [WARN] MessageDispatcher - -rendez-vous timed out: 114875DB7B8B1F7117BB8BC19B60AB19-3734-TemporaryTopic-{TD{ID:smilodon-42112-1114079651086-7:0}TD}ID:smilodon-42112-1114079651086-19:0 <EDU.oswego.cs.dl.util.concurrent.TimeoutException>EDU.oswego.cs.dl.util.concurrent.TimeoutException
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.doRendezvous(Unknown Source)
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.attemptRendezvous(Unknown Source)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$RendezVousDispatcher.dispatch(MessageDispatcher.java:140)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$DispatchThread.run(MessageDispatcher.java:189)

2005/04/21 12:16:04:942 BST [WARN] MessageDispatcher - -rendez-vous timed out: 114875DB7B8B1F7117BB8BC19B60AB19-3722-TemporaryTopic-{TD{ID:smilodon-42118-1114079653597-6:0}TD}ID:smilodon-42118-1114079653597-23:0 <EDU.oswego.cs.dl.util.concurrent.TimeoutException>EDU.oswego.cs.dl.util.concurrent.TimeoutException
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.doRendezvous(Unknown Source)
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.attemptRendezvous(Unknown Source)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$RendezVousDispatcher.dispatch(MessageDispatcher.java:140)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$DispatchThread.run(MessageDispatcher.java:189)

2005/04/21 12:16:07:045 BST [WARN] MessageDispatcher - -rendez-vous timed out: 114875DB7B8B1F7117BB8BC19B60AB19-3727-TemporaryTopic-{TD{ID:smilodon-42136-1114079661576-6:0}TD}ID:smilodon-42136-1114079661576-16:0 <EDU.oswego.cs.dl.util.concurrent.TimeoutException>EDU.oswego.cs.dl.util.concurrent.TimeoutException
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.doRendezvous(Unknown Source)
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.attemptRendezvous(Unknown Source)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$RendezVousDispatcher.dispatch(MessageDispatcher.java:140)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$DispatchThread.run(MessageDispatcher.java:189)

2005/04/21 12:16:12:328 BST [WARN] MessageDispatcher - -rendez-vous timed out: 114875DB7B8B1F7117BB8BC19B60AB19-3726-TemporaryTopic-{TD{ID:smilodon-42148-1114079675407-6:0}TD}ID:smilodon-42148-1114079675407-41:0 <EDU.oswego.cs.dl.util.concurrent.TimeoutException>EDU.oswego.cs.dl.util.concurrent.TimeoutException
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.doRendezvous(Unknown Source)
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.attemptRendezvous(Unknown Source)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$RendezVousDispatcher.dispatch(MessageDispatcher.java:140)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$DispatchThread.run(MessageDispatcher.java:189)

2005/04/21 12:16:03:557 BST [WARN] MessageDispatcher - -rendez-vous timed out: 114875DB7B8B1F7117BB8BC19B60AB19-3723-TemporaryTopic-{TD{ID:smilodon-42162-1114079680144-10:0}TD}ID:smilodon-42162-1114079680144-47:0 <EDU.oswego.cs.dl.util.concurrent.TimeoutException>EDU.oswego.cs.dl.util.concurrent.TimeoutException
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.doRendezvous(Unknown Source)
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.attemptRendezvous(Unknown Source)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$RendezVousDispatcher.dispatch(MessageDispatcher.java:140)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$DispatchThread.run(MessageDispatcher.java:189)

2005/04/21 12:16:02:771 BST [WARN] MessageDispatcher - -rendez-vous timed out: 114875DB7B8B1F7117BB8BC19B60AB19-3714-TemporaryTopic-{TD{ID:smilodon-42179-1114079684252-7:0}TD}ID:smilodon-42179-1114079684252-18:0 <EDU.oswego.cs.dl.util.concurrent.TimeoutException>EDU.oswego.cs.dl.util.concurrent.TimeoutException
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.doRendezvous(Unknown Source)
	at EDU.oswego.cs.dl.util.concurrent.Rendezvous.attemptRendezvous(Unknown Source)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$RendezVousDispatcher.dispatch(MessageDispatcher.java:140)
	at org.codehaus.wadi.sandbox.impl.MessageDispatcher$DispatchThread.run(MessageDispatcher.java:189)
