[logback-dev] [JIRA] Updates for LOGBACK-1551: Logback throws ConcurrentModificationException at cancelScheduledTasks

[QOS.CH (JIRA)]

logback / LOGBACK-1551 [Open]
Logback throws ConcurrentModificationException at cancelScheduledTasks

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Here's what changed in this issue in the last few minutes.
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View or comment on issue using this link
https://jira.qos.ch/browse/LOGBACK-1551

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 Issue created
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Dmytro Lisnichenko created this issue on 15/Feb/21 4:58 PM
Summary:              Logback throws ConcurrentModificationException at cancelScheduledTasks
Issue Type:           Bug
Affects Versions:     1.2.3
Assignee:             Logback dev list
Components:           logback-classic
Created:              15/Feb/21 4:58 PM
Priority:             Major
Reporter:             Dmitrius Listo
Description:
  Faced that once when the system was being terminated:
  
   \{code}
  
  17:48:37,185 |-INFO in ch.qos.logback.core.hook.DelayingShutdownHook at 6aeb7f97 - Sleeping for 0 milliseconds17:48:37,185 |-INFO in ch.qos.logback.core.hook.DelayingShutdownHook at 6aeb7f97 - Sleeping for 0 milliseconds17:48:37,185 |-INFO in ch.qos.logback.core.hook.DelayingShutdownHook at 54c45654 - Sleeping for 0 milliseconds17:48:37,185 |-INFO in ch.qos.logback.core.hook.DelayingShutdownHook at 54c45654 - Logback context being closed via shutdown hook17:48:37,185 |-INFO in ch.qos.logback.core.hook.DelayingShutdownHook at 6aeb7f97 - Logback context being closed via shutdown hook17:48:37,185 |-INFO in ch.qos.logback.classic.jmx.JMXConfigurator(default) - onReset() method called JMXActivator [ch.qos.logback.classic:Name=default,Type=ch.qos.logback.classic.jmx.JMXConfigurator]Exception in thread "Logback shutdown hook [default]" java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:911) at java.util.ArrayList$Itr.next(ArrayList.java:861) at ch.qos.logback.classic.LoggerContext.cancelScheduledTasks(LoggerContext.java:232) at ch.qos.logback.classic.LoggerContext.reset(LoggerContext.java:225) at ch.qos.logback.classic.LoggerContext.stop(LoggerContext.java:348) at ch.qos.logback.core.hook.ShutdownHookBase.stop(ShutdownHookBase.java:39) at ch.qos.logback.core.hook.DelayingShutdownHook.run(DelayingShutdownHook.java:57) at java.lang.Thread.run(Thread.java:748)
  Process finished with exit code 1
  
  {code}


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