[jboss-jira] [JBoss JIRA] Resolved: (JBAS-4514) CLONE -Deadlock when logging trace

[David Lloyd (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBAS-4514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Lloyd resolved JBAS-4514.
-------------------------------

    Fix Version/s: 6.0.0.M3
       Resolution: Done
         Assignee: David Lloyd  (was: Scott M Stark)


Fixed as of M3 with the improved logging architecture.

> CLONE -Deadlock when logging trace
> ----------------------------------
>
>                 Key: JBAS-4514
>                 URL: https://jira.jboss.org/jira/browse/JBAS-4514
>             Project: JBoss Application Server
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>            Reporter: chris effenberger
>            Assignee: David Lloyd
>             Fix For: 6.0.0.M3
>
>
> SourceForge Submitter: genman .
> This was caused when trace was enabled.  I imagine it
> was caused by the classloader trying to load a class
> while it was being rendered (?) to disk.  Probably not
> a big issue, unless trace-logging is enabled.
> Java stack information for the threads listed above:
> ===================================================
> "SMPP-TIMER-0":
>         at
> com.logica.smpp.util.ByteBuffer.getHexDump(ByteBuffer.java:379)
>         at
> com.logica.smpp.util.ByteBuffer.toString(ByteBuffer.java:387)
>         at
> org.apache.log4j.or.DefaultRenderer.doRender(DefaultRenderer.java:26)
>         at
> org.apache.log4j.or.RendererMap.findAndRender(RendererMap.java:70)
>         at
> org.apache.log4j.spi.LoggingEvent.getRenderedMessage(LoggingEvent.java:288)
>         at
> org.apache.log4j.helpers.PatternParser$BasicPatternConverter.convert(PatternParser.java:395)
>         at
> org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:56)
>         at
> org.apache.log4j.PatternLayout.format(PatternLayout.java:495)
>         at
> org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:292)
>         at
> org.apache.log4j.WriterAppender.append(WriterAppender.java:150)
>         at
> org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221)
>         - locked <0x473874c8> (a
> org.apache.log4j.ConsoleAppender)
>         at
> org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57)
>         at
> org.apache.log4j.Category.callAppenders(Category.java:187)
>         - locked <0x46829180> (a
> org.apache.log4j.spi.RootCategory)
>         at
> org.apache.log4j.Category.forcedLog(Category.java:372)
>         at
> org.apache.log4j.Category.debug(Category.java:241)
>         at
> com.logica.smpp.debug.Log4JDebug.write(Log4JDebug.java:79)
>         at
> com.logica.smpp.TCPIPConnection.send(TCPIPConnection.java:301)
>         at
> com.logica.smpp.Transmitter.send(Transmitter.java:81)
>         at com.logica.smpp.Session.send(Session.java:983)
>         at com.logica.smpp.Session.bind(Session.java:452)
>         at 
> ...
> "SMSC-Accept-16910":
>         at
> org.apache.log4j.Category.callAppenders(Category.java:185)
>         - waiting to lock <0x46829180> (a
> org.apache.log4j.spi.RootCategory)
>         at
> org.apache.log4j.Category.forcedLog(Category.java:372)
>         at org.apache.log4j.Category.log(Category.java:864)
>         at
> org.jboss.logging.Log4jLoggerPlugin.trace(Log4jLoggerPlugin.java:96)
>         at org.jboss.logging.Logger.trace(Logger.java:113)
>         at
> org.jboss.mx.loading.UnifiedClassLoader3.attempt(UnifiedClassLoader3.java:242)
>         at
> org.jboss.mx.loading.UnifiedClassLoader3.loadClass(UnifiedClassLoader3.java:126)
>         - locked <0x472e2f38> (a
> org.jboss.mx.loading.UnifiedClassLoader3)
>         at
> java.lang.ClassLoader.loadClass(ClassLoader.java:255)
>         at
> java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
>         - locked <0x472e2f38> (a
> org.jboss.mx.loading.UnifiedClassLoader3)
>         at
> com.proteusmobile.smsgw.server.ServerService.listen(ServerService.java:187)
>         at
> com.proteusmobile.smsgw.server.ServerService.access$3(ServerService.java:46)
>         at
> com.proteusmobile.smsgw.server.ServerService$Listener.run0(ServerService.java:163)
>         at
> com.proteusmobile.smsgw.server.ServerService$Listener.run(ServerService.java:154)
>         at java.lang.Thread.run(Thread.java:536)
> Found 1 deadlock.

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