[ http://jira.qos.ch/browse/LBCLASSIC-267?page=com.atlassian.jira.plugin.syste... ] Ceki Gulcu reassigned LBCLASSIC-267: ------------------------------------ Assignee: Ceki Gulcu (was: Logback dev list)
Intermittent ConcurrentModificationException in LoggingEvent.prepareForDeferredProcessing -----------------------------------------------------------------------------------------
Key: LBCLASSIC-267 URL: http://jira.qos.ch/browse/LBCLASSIC-267 Project: logback-classic Issue Type: Bug Affects Versions: 0.9.28 Reporter: Anders Wallgren Assignee: Ceki Gulcu
Occasionally seeing this type of exception: 02:02:27,883 |-ERROR in com.electriccloud.log.AsyncAppender[ASYNC_FILE] - Appender [ASYNC_FILE] failed to append. java.util.ConcurrentModificationExceptionjava.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793) at java.util.HashMap$EntryIterator.next(HashMap.java:834) at java.util.HashMap$EntryIterator.next(HashMap.java:832) at java.util.HashMap.putAllForCreate(HashMap.java:435) at java.util.HashMap.<init>(HashMap.java:225) at ch.qos.logback.classic.spi.LoggingEvent.prepareForDeferredProcessing(LoggingEvent.java:213) at com.electriccloud.log.AsyncAppender.append(AsyncAppender.java:132) at com.electriccloud.log.AsyncAppender.append(AsyncAppender.java:36) at ch.qos.logback.core.AppenderBase.doAppend(AppenderBase.java:85) at ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:64) at ch.qos.logback.classic.Logger.appendLoopOnAppenders(Logger.java:285) at ch.qos.logback.classic.Logger.callAppenders(Logger.java:272) at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:473) at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:427) at ch.qos.logback.classic.Logger.debug(Logger.java:534) at com.electriccloud.log.Slf4jLog.debug(Slf4jLog.java:66) at com.electriccloud.log.Slf4jLog.log(Slf4jLog.java:202) at com.electriccloud.util.timer.Timer.logElapsed(Timer.java:324) at com.electriccloud.operations.OperationTimingAspect.logOperationPerformance(OperationTimingAspect.java:107) at sun.reflect.GeneratedMethodAccessor124.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:627) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:616) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:64) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:160) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy23.perform(Unknown Source) at com.electriccloud.operations.OperationInvoker.invoke(OperationInvoker.java:273) at com.electriccloud.operations.OperationCaller.call(OperationCaller.java:127) at com.electriccloud.operations.OperationCaller.call(OperationCaller.java:42) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) at com.electriccloud.util.CommanderThread.run(CommanderThread.java:105)
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