Oleksandr Diachenko created AMBARI-3703:
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Summary: ConcurrentModificationException in Ambari Server log
Key: AMBARI-3703
URL: https://issues.apache.org/jira/browse/AMBARI-3703
Project: Ambari
Issue Type: Task
Components: controller, test
Affects Versions: 1.4.1
Reporter: Oleksandr Diachenko
Assignee: Oleksandr Diachenko
Fix For: 1.4.2
Attachments: AMBARI-3703.patch
This is an unlikely repro. However, we can go through the code to see if we can
find out possible cause.
{code}
01:56:26,714 WARN [Thread-2] HeartbeatMonitor:98 - Exception received
java.util.ConcurrentModificationException
at
java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
at java.util.AbstractList$Itr.next(AbstractList.java:343)
at
java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1010)
at
org.apache.ambari.server.agent.HeartbeatMonitor.generateStatusCommands(HeartbeatMonitor.java:185)
at
org.apache.ambari.server.agent.HeartbeatMonitor.doWork(HeartbeatMonitor.java:164)
at
org.apache.ambari.server.agent.HeartbeatMonitor.run(HeartbeatMonitor.java:90)
at java.lang.Thread.run(Thread.java:662)
{code}
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