[NMS-8413] ConcurrentModificationException in DefaultEventHandlerImpl - The OpenNMS Issue Tracker

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Type: Bug
Status: Resolved (View Workflow)
Priority: Major
Resolution: Fixed
Affects Version/s: 18.0.0, Meridian-2016.1.13
Fix Version/s: Meridian-2016.1.1, 18.0.1, 22.0.1, Meridian-2017.1.9, Meridian-2015.1.10
Component/s: Eventd
Security Level: Default (Default Security Scheme)
Labels:
- bugfixsla
- support

Description

I noticed this message in stdout of a test system. It was processing a Minion trap event so maybe it's an issue related to that specific environment but I'm going to add some defensive code anyway to make sure it's not an issue in other cases:

Exception in thread "EventIpcManagerDefaultImpl-Thread-3-of-5" java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
at java.util.ArrayList$Itr.next(ArrayList.java:851)
at org.opennms.netmgt.eventd.DefaultEventHandlerImpl$EventHandlerRunnable.run(DefaultEventHandlerImpl.java:123)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.opennms.core.concurrent.LogPreservingThreadFactory$3.run(LogPreservingThreadFactory.java:124)
at java.lang.Thread.run(Thread.java:745)

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Assignee:: Seth Leger

Reporter:: Seth Leger

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 10/May/16 10:22 AM

Updated:: 24/May/18 8:06 PM

Resolved:: 24/May/18 8:06 PM

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