Kenneth Gendron created LOGBACK-1366: ---------------------------------------- Summary: ConcurrentModificationException when calling Logger.detachAndStopAllAppenders Key: LOGBACK-1366 URL: https://jira.qos.ch/browse/LOGBACK-1366 Project: logback Issue Type: Bug Components: logback-core Affects Versions: 1.2.3 Reporter: Kenneth Gendron Assignee: Logback dev list When attempting to detach and stop all appenders (specifically SiftingAppender) associated with a logger, logback may throw a ConcurrentModificationException if another thread is currently logging. {{java.util.ConcurrentModificationException: null}} {{ at java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:719)}} {{ at java.util.LinkedHashMap$LinkedValueIterator.next(LinkedHashMap.java:747)}} {{ at ch.qos.logback.core.spi.AbstractComponentTracker.allComponents(AbstractComponentTracker.java:234)}} {{ at ch.qos.logback.core.sift.SiftingAppenderBase.stop(SiftingAppenderBase.java:89)}} {{ at ch.qos.logback.core.spi.AppenderAttachableImpl.detachAndStopAllAppenders(AppenderAttachableImpl.java:107)}} {{ at ch.qos.logback.classic.Logger.detachAndStopAllAppenders(Logger.java:206)}} {{ at automation.config.logging.LoggerGenerator.destroyLogger(LoggerGenerator.java:143)}} {{ at processflow.ProcessHandler.destroyProcessContext(ProcessHandler.java:862)}} {{ at automation.config.processflow.ProcessContextHandler.processConnection(ProcessContextHandler.java:636)}} {{ at automation.config.processflow.DatabaseService$Processor.processConnection(DatabaseService.java:281)}} {{ at appserversupport.sql.ConnectionProcessor$Processor.run(ConnectionProcessor.java:187)}} {{ at java.lang.Thread.run(Thread.java:745)}} -- This message was sent by Atlassian JIRA (v7.3.1#73012)