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Posted to dev@ofbiz.apache.org by "BJ Freeman (JIRA)" <ji...@apache.org> on 2007/12/30 19:49:43 UTC
[jira] Commented: (OFBIZ-1555) Exception in thread
"Dispatcher-Thread-0" java.util.ConcurrentModificationException
[ https://issues.apache.org/jira/browse/OFBIZ-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12555013 ]
BJ Freeman commented on OFBIZ-1555:
-----------------------------------
There was some dialog in the mailing lists.
I believe Adrian will comment about the fix.
> Exception in thread "Dispatcher-Thread-0" java.util.ConcurrentModificationException
> -----------------------------------------------------------------------------------
>
> Key: OFBIZ-1555
> URL: https://issues.apache.org/jira/browse/OFBIZ-1555
> Project: OFBiz
> Issue Type: Bug
> Components: framework
> Environment: Linux - Ubuntu-Dapper 6.06 64bits, Java HotSpot(TM) 64-Bit Server VM (build 1.5.0_06-b05, mixed mode) (tried also with version 1.6), postgres 8.1
> Reporter: Gustavo Sardi
>
> we are customizing an ofbiz application from base version ofbiz-r536978, our changes are at the app level, we have not changed much of the framework.
> after several month of work we are in production now, as we are getting more users online (even not more than 5) we are having this exception randomly, the appserver stop responding and the only solution is to kill it by issuing a 'kill -9' as root at the server, the script stopobiz.sh does nothing.
> this error is most often seen when working with orders (stock reservation process and such) and generating PDF files for printing.
> we tried changing log4j lib version to 1.2.15
> we tried turning off logging with no result
> there was something about async and sync issues writing to the logs in log4j.xml but the version we have seams to have the sync mode of writing.
> we searched several forums and have not seen this issue anywhere, does anyone has any idea to share?
> thanks
> here is the last part of console.log
> 2007-12-30 12:22:11,680 (http-0.0.0.0-8443-Processor3) [StaticContentLayoutManager.java:246:WARN ] static-content overflows the available area. (fo:static-content, location: 17/13)
> 2007-12-30 12:22:11,724 (http-0.0.0.0-8443-Processor3) [ TableLayoutManager.java:170:INFO ] table-layout="fixed" and width="auto", but auto-layout not supported => assuming width="100%"
> 2007-12-30 12:22:11,789 (http-0.0.0.0-8443-Processor3) [StaticContentLayoutManager.java:246:WARN ] static-content overflows the available area. (fo:static-content, location: 17/13)
> 2007-12-30 12:22:11,813 (http-0.0.0.0-8443-Processor3) [ TableLayoutManager.java:170:INFO ] table-layout="fixed" and width="auto", but auto-layout not supported => assuming width="100%"
> 2007-12-30 12:22:11,854 (http-0.0.0.0-8443-Processor3) [StaticContentLayoutManager.java:246:WARN ] static-content overflows the available area. (fo:static-content, location: 17/13)
> Exception in thread "Dispatcher-Thread-0" java.util.ConcurrentModificationException
> at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:617)
> at java.util.LinkedList$ListItr.next(LinkedList.java:552)
> at java.util.AbstractCollection.toString(AbstractCollection.java:453)
> at org.apache.log4j.or.DefaultRenderer.doRender(DefaultRenderer.java:36)
> at org.apache.log4j.or.RendererMap.findAndRender(RendererMap.java:80)
> at org.apache.log4j.spi.LoggingEvent.getRenderedMessage(LoggingEvent.java:362)
> at org.apache.log4j.helpers.PatternParser$BasicPatternConverter.convert(PatternParser.java:403)
> at org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:65)
> at org.apache.log4j.PatternLayout.format(PatternLayout.java:502)
> at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:302)
> at org.apache.log4j.WriterAppender.append(WriterAppender.java:160)
> at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
> at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
> at org.apache.log4j.AsyncAppender$Dispatcher.run(AsyncAppender.java:583)
> at java.lang.Thread.run(Thread.java:595)
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