Mark Murphy wrote:
>Forgive me if this is written up on the list, but I
>couldn't find it...
>
Hi Mark,
thanks for reporting this error.
Please upgrade to the newest cvs version.
(checkout the version, change to directory
xmlBlaster and compile with 'build.bat all')
The bug should be fixed there.
regards,
Marcel
>
>I'm trying to implement volatile messages and
>xmlBlaster 0.7.9f is throwing up exceptions.
>
>My code to send a volatile message is:
>
>con.publish(new MessageUnit("<key oid='/classcode'/>",
> docCmd.asXML().getBytes(),
>"<qos><isVolatile>true</isVolatile></qos>"));
>
>(where docCmd is a dom4j XML document representing my
>payload)
>
>The xmlBlaster server log looks like this:
>
>[Aug 30, 2002 6:58:49 PM WARN MessageUnitHandler] No
>subscribed client notification about message erase()
>yet implemented
>[Aug 30, 2002 6:58:50 PM ERROR CbWorker:session:3]
>Callback failed: java.lang.NullPointerException
>java.lang.NullPointerException
> at
>org.xmlBlaster.engine.MessageUnitHandler.getRootNode(MessageUnitHandl
>er.java:277)
> at
>org.xmlBlaster.engine.BigXmlKeyDOM.messageErase(BigXmlKeyDOM.java:72)
>
> at
>org.xmlBlaster.engine.RequestBroker.fireMessageEraseEvent(RequestBrok
>er.java:1632)
> at
>org.xmlBlaster.engine.RequestBroker.eraseVolatile(RequestBroker.java:
>1292)
> at
>org.xmlBlaster.engine.queue.MsgQueue.checkForVolatileErase(MsgQueue.j
>ava:190)
> at
>org.xmlBlaster.engine.callback.CbWorker.run(CbWorker.java:59)
> at
>EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExec
>utor.java:728)
> at java.lang.Thread.run(Unknown Source)
>
>The first message makes sense given a look at the
>code. However, it's unclear to me by basic inspection
>why MessageUnitHandler's xmlKey is null, which is
>presumably where it's crashing.
>
>Note that xmlBlaster is pretty robust -- despite this
>exception, it continues to run nicely, though my
>volatile message sticks around when I don't want it
>to.
>
>If this is a recognized failure (hopefully on my
>part!), let me know where I'm going wrong. Otherwise,
>I'll try to track down the failure inside the server.
>
>Thanks!
>
>Mark Murphy
>[EMAIL PROTECTED]
>
>
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>
