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Re: [xmlblaster] More exceptions

To: xmlblaster at server.xmlBlaster.org
Subject: Re: [xmlblaster] More exceptions
From: Marcel Ruff <mr at marcelruff.info>
Date: Tue, 23 May 2006 13:56:08 +0200
In-reply-to: <20060520132150.GA21658 at navahonetworks.com>
References: <20060520132150.GA21658 at navahonetworks.com>
Reply-to: xmlblaster at server.xmlBlaster.org
Sender: owner-xmlblaster at server.xmlBlaster.org
User-agent: Thunderbird 1.5.0.2 (X11/20060420)

2) A whole raft of NullPointer exceptions.
As soon as we see one of these, we'll keep getting more until we stop and restart xmlblaster. Up until then though, all is well.

We have applied a patch now.
Could you please confirm that it fixes your NPEs?

Anyhow: Could you please send me more details what sort of messages caused this behavior (volatile ? persistent ?)

regards
Marcel


20-May-2006 1:16:23 AM org.xmlBlaster.engine.TopicHandler toDead
INFO: Topic reached state DEAD. 0 history entries are destroyed.
20-May-2006 1:16:23 AM org.xmlBlaster.util.XmlBlasterException parseToString
WARNING: Parsing exception string <org.apache.xmlrpc.XmlRpcException: can't serialize output> failed: java.lang.IllegalArgumentException: ErrorCode: The given errorCode=org.apache.xmlrpc.XmlRpcException: can't serialize output is unknown
20-May-2006 1:16:23 AM org.xmlBlaster.engine.RequestBroker deadMessage
WARNING: Generating dead message 'callback:/node/xmlBlaster_172_23_254_15_10412/client/VERID_prod/-16/NORM/1148102183911000000/__sys__ErasedTopic' from publisher=/node/xmlBlaster_172_23_254_15_10412/client/VERID_prod/-16 because delivery with queue 'callback:/node/xmlBlaster_172_23_254_15_10412/client/VERID_prod/-16' failed: XmlBlasterException serverSideException=true node=[xmlBlaster_172_23_254_15_10412] location=[XmlBlasterException]
errorCode=internal.illegalArgument message=#15163 org.apache.xmlrpc.XmlRpcException: can't serialize output
stackTrace=errorCode=internal.illegalArgument message=#15163 org.apache.xmlrpc.XmlRpcException: can't serialize output
        at org.xmlBlaster.util.XmlBlasterException.parseToString(XmlBlasterException.java:482)
        at org.xmlBlaster.client.protocol.xmlrpc.XmlRpcConnection.extractXmlBlasterException(XmlRpcConnection.java:545)
        at org.xmlBlaster.protocol.xmlrpc.CallbackXmlRpcDriver.sendUpdate(CallbackXmlRpcDriver.java:141)
        at org.xmlBlaster.engine.dispatch.CbDispatchConnection.doSend(CbDispatchConnection.java:273)
        at org.xmlBlaster.util.dispatch.DispatchConnection.send(DispatchConnection.java:225)
        at org.xmlBlaster.util.dispatch.DispatchConnectionsHandler.send(DispatchConnectionsHandler.java:430)
        at org.xmlBlaster.util.dispatch.DispatchWorker.run(DispatchWorker.java:166)
        at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:732)
        at java.lang.Thread.run(Thread.java:595)
errorCode=user.update.error message=#15163 org.apache.xmlrpc.XmlRpcException: can't serialize output
        at org.xmlBlaster.util.XmlBlasterException.tranformCallbackException(XmlBlasterException.java:746)
        at org.xmlBlaster.protocol.xmlrpc.CallbackXmlRpcDriver.sendUpdate(CallbackXmlRpcDriver.java:145)
        at org.xmlBlaster.engine.dispatch.CbDispatchConnection.doSend(CbDispatchConnection.java:273)
        at org.xmlBlaster.util.dispatch.DispatchConnection.send(DispatchConnection.java:225)
        at org.xmlBlaster.util.dispatch.DispatchConnectionsHandler.send(DispatchConnectionsHandler.java:430)
        at org.xmlBlaster.util.dispatch.DispatchWorker.run(DispatchWorker.java:166)
        at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:732)
        at java.lang.Thread.run(Thread.java:595)
versionInfo=version=1.2,revision=15163,os.name=Linux,os.version=2.6.15.6,java.vm.vendor=Sun Microsystems Inc.,java.vm.version=1.5.0_06-b05,os.arch=i386,build.timestamp=05/19/2006 09:53 AM,build.java.vendor=Sun Microsystems Inc.,build.java.version=1.4.2_09
errorCode description=http://www.xmlblaster.org/xmlBlaster/doc/requirements/admin.errorcodes.listing.html#user.update.error

20-May-2006 1:16:23 AM org.xmlBlaster.engine.DeadMessageDumper$1 update
INFO: Receiving asynchronous message '__sys__deadMessage'
20-May-2006 1:16:23 AM org.xmlBlaster.engine.DeadMessageDumper dumpMessage
INFO: Dumping dead message to  '/var/xmlblaster/prod/deadmsgs/2006-05-20_01_16_23_91.xml'

We get an awful lot of these now too:

20-May-2006 1:16:23 AM org.xmlBlaster.engine.DeadMessageDumper dumpMessage
INFO: Dumping dead message to  '/var/xmlblaster/prod/deadmsgs/2006-05-20_01_16_23_91.xml'
20-May-2006 1:16:25 AM org.xmlBlaster.engine.AvailabilityChecker checkException
SEVERE: publish() failed: XmlBlasterException serverSideException=true node=[xmlBlaster_172_23_254_15_10412] location=[RequestBroker]
java.lang.NullPointerException
stackTrace=java.lang.NullPointerException
        at org.xmlBlaster.engine.TopicHandler.addToBigDom(TopicHandler.java:1957)
        at org.xmlBlaster.engine.TopicHandler.toAlive(TopicHandler.java:1706)
        at org.xmlBlaster.engine.TopicHandler.publish(TopicHandler.java:549)
        at org.xmlBlaster.engine.RequestBroker.publish(RequestBroker.java:1704)
        at org.xmlBlaster.engine.RequestBroker.publish(RequestBroker.java:1495)
        at org.xmlBlaster.engine.RequestBroker.publish(RequestBroker.java:1489)
        at org.xmlBlaster.engine.XmlBlasterImpl.publish(XmlBlasterImpl.java:165)
        at org.xmlBlaster.protocol.xmlrpc.XmlBlasterImpl.publish(XmlBlasterImpl.java:115)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.xmlrpc.Invoker.execute(Unknown Source)
        at org.apache.xmlrpc.XmlRpcServer$Worker.executeInternal(Unknown Source)
        at org.apache.xmlrpc.XmlRpcServer$Worker.execute(Unknown Source)
        at org.apache.xmlrpc.XmlRpcServer.execute(Unknown Source)
        at org.apache.xmlrpc.WebServer$Connection.run(Unknown Source)
        at org.apache.xmlrpc.WebServer$Runner.run(Unknown Source)
        at java.lang.Thread.run(Thread.java:595)
errorCode=internal.nullpointer message=#15163 errorCode=internal.publish: An internal error occurred when processing a publish() request. /node/xmlBlaster_172_23_254_15_10412/client/VERID_prod/-16
        at org.xmlBlaster.util.XmlBlasterException.convert(XmlBlasterException.java:689)
        at org.xmlBlaster.util.XmlBlasterException.convert(XmlBlasterException.java:678)
        at org.xmlBlaster.engine.RequestBroker.publish(RequestBroker.java:1724)
        at org.xmlBlaster.engine.RequestBroker.publish(RequestBroker.java:1495)
        at org.xmlBlaster.engine.RequestBroker.publish(RequestBroker.java:1489)
        at org.xmlBlaster.engine.XmlBlasterImpl.publish(XmlBlasterImpl.java:165)
        at org.xmlBlaster.protocol.xmlrpc.XmlBlasterImpl.publish(XmlBlasterImpl.java:115)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.xmlrpc.Invoker.execute(Unknown Source)
        at org.apache.xmlrpc.XmlRpcServer$Worker.executeInternal(Unknown Source)
        at org.apache.xmlrpc.XmlRpcServer$Worker.execute(Unknown Source)
        at org.apache.xmlrpc.XmlRpcServer.execute(Unknown Source)
        at org.apache.xmlrpc.WebServer$Connection.run(Unknown Source)
        at org.apache.xmlrpc.WebServer$Runner.run(Unknown Source)
        at java.lang.Thread.run(Thread.java:595)
versionInfo=version=1.2,revision=15163,os.name=Linux,os.version=2.6.15.6,java.vm.vendor=Sun Microsystems Inc.,java.vm.version=1.5.0_06-b05,os.arch=i386,build.timestamp=05/19/2006 09:53 AM,build.java.vendor=Sun Microsystems Inc.,build.java.version=1.4.2_09
errorCode description=http://www.xmlblaster.org/xmlBlaster/doc/requirements/admin.errorcodes.listing.html#internal.nullpointer

References:
- [xmlblaster] More exceptions
  - From: David Kerry <xml at navahonetworks.com>

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