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http://issues.apache.org/bugzilla/show_bug.cgi?id=41274 Summary: Deadlock using log4j Product: Log4j Version: 1.2 Platform: Other OS/Version: Linux Status: NEW Severity: major Priority: P1 Component: Appender AssignedTo: [email protected] ReportedBy: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] I'm getting a dead lock as follows, wondering if this is a known issue or if a fix is available in a later release. Please let me know if you need more information. Found one Java-level deadlock: ============================= "SW_WORKER.12": waiting to lock monitor 0x08777644 (object 0xce2f6478, a org.apache.log4j.spi.RootLogger), which is held by "SW_WORKER.13" "SW_WORKER.13": waiting to lock monitor 0x08777604 (object 0xce3ac200, a com.aol.jwal.sapi.KSLog$Appender), which is held by "SW_WORKER.12" Java stack information for the threads listed above: =================================================== "SW_WORKER.12": at org.apache.log4j.Category.callAppenders(Category.java:193) - waiting to lock <0xce2f6478> (a org.apache.log4j.spi.RootLogger) at org.apache.log4j.Category.forcedLog(Category.java:379) at org.apache.log4j.Category.debug(Category.java:248) at com.aol.jwal.sapi.PreemptorPipe.Preempt(PreemptorPipe.java:69) at com.aol.jwal.sapi.NTKRunFIFO.schedule(NTKRunFIFO.java:158) at com.aol.jwal.sapi.KSLog$Appender$Writer.done(KSLog.java:357) at com.aol.jwal.sapi.KSLog$Appender.append(KSLog.java:292) at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221) - locked <0xce3ac200> (a com.aol.jwal.sapi.KSLog$Appender) at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57) at org.apache.log4j.Category.callAppenders(Category.java:194) - locked <0xce399418> (a org.apache.log4j.Logger) at org.apache.log4j.Category.forcedLog(Category.java:379) at org.apache.log4j.Category.debug(Category.java:248) at com.aol.jdb.somldb.SomlDbToJdbc.handleInt(SomlDbToJdbc.java:220) at com.aol.jdb.somldb.SomlDbToJdbc.fillArguments(SomlDbToJdbc.java:87) at com.aol.jdb.source.SomlDbSpSource.fillArguments(SomlDbSpSource.java:79) at com.aol.jdb.source.SomlDbSourceBase.processRequest(SomlDbSourceBase.java:110) at com.aol.jdb.source.SomlDbSourceBase.perform(SomlDbSourceBase.java:81) at com.aol.jdb.service.JdbServiceBase.processRequest(JdbServiceBase.java:70) at com.aol.jdb.somldb.SomlDbRequestProcessor.processRequest(SomlDbRequestProcessor.java:38) at com.aol.jdb.somldb.SomldbJdbRequest.process(SomldbJdbRequest.java:49) at com.aol.jdb.engine.Worker.run(Worker.java:106) "SW_WORKER.13": at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:201) - waiting to lock <0xce3ac200> (a com.aol.jwal.sapi.KSLog$Appender) at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57) at org.apache.log4j.Category.callAppenders(Category.java:194) - locked <0xce2f6478> (a org.apache.log4j.spi.RootLogger) at org.apache.log4j.Category.forcedLog(Category.java:379) at org.apache.log4j.Category.debug(Category.java:248) at com.aol.jwal.sapi.PreemptorPipe.Preempt(PreemptorPipe.java:69) at com.aol.jwal.sapi.NTKRunFIFO.schedule(NTKRunFIFO.java:158) at com.aol.jwal.sapi.channels.QMIChannelBase$MessageSender.sendASAP(QMIChannelBase.java:138) at com.aol.jwal.sapi.channels.QMIChannel.sendMessage(QMIChannel.java:43) at com.aol.jdb.somldb.ResultDispatcher.sendOverQMI(ResultDispatcher.java:151) at com.aol.jdb.somldb.ResultDispatcher.dispatch(ResultDispatcher.java:134) at com.aol.jdb.somldb.SomlDbResponse.dispatch(SomlDbResponse.java:267) at com.aol.jdb.source.SomlDbSourceBase.processRequest(SomlDbSourceBase.java:170) at com.aol.jdb.source.SomlDbSourceBase.perform(SomlDbSourceBase.java:81) at com.aol.jdb.service.JdbServiceBase.processRequest(JdbServiceBase.java:70) at com.aol.jdb.somldb.SomlDbRequestProcessor.processRequest(SomlDbRequestProcessor.java:38) at com.aol.jdb.somldb.SomldbJdbRequest.process(SomldbJdbRequest.java:49) at com.aol.jdb.engine.Worker.run(Worker.java:106) Found 1 deadlock. Thanks Ravi -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
