RepositoryListener ConcurrentModification Exception when accessing
DeploymentEngine deployerMap
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Key: AXIS2-5152
URL: https://issues.apache.org/jira/browse/AXIS2-5152
Project: Axis2
Issue Type: Bug
Reporter: Udayanga Wickramasinghe
Axis2 DeploymentEngine deployerMap seems to be not thread safe. Following
exception can be thrown when there is a high concurrent acceess scenario with
multiple deployers in place..
Exception in thread "Timer-3" java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
at java.util.HashMap$EntryIterator.next(HashMap.java:834)
at java.util.HashMap$EntryIterator.next(HashMap.java:832)
at org.apache.axis2.deployment.RepositoryListener.loadOtherDirectories(R
epositoryListener.java:270)
at org.apache.axis2.deployment.RepositoryListener.checkServices(Reposito
ryListener.java:253)
at org.apache.axis2.deployment.RepositoryListener.startListener(Reposito
ryListener.java:365)
at org.apache.axis2.deployment.scheduler.SchedulerTask.checkRepository(S
chedulerTask.java:73)
at org.apache.axis2.deployment.scheduler.SchedulerTask.run(SchedulerTask
.java:94)
at org.apache.axis2.deployment.scheduler.Scheduler$SchedulerTimerTask.ru
n(Scheduler.java:93)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)
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