Jonathan Hurley created AMBARI-19259:
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Summary: When Updating An Alert Group a
ConcurrentModificationException is Thrown
Key: AMBARI-19259
URL: https://issues.apache.org/jira/browse/AMBARI-19259
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.2.0
Reporter: Jonathan Hurley
Assignee: Jonathan Hurley
Priority: Critical
Fix For: 2.5.0
When editing an alert group which has targets via the UI, sometimes the
following is seen:
{code}
16 Nov 2016 11:09:49,343 WARN [qtp-ambari-client-510524] ServletHandler:563 -
/api/v1/clusters/EHIHADOOP03/alert_groups/155
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
at java.util.HashMap$KeyIterator.next(HashMap.java:1453)
at
org.eclipse.persistence.indirection.IndirectSet$1.next(IndirectSet.java:471)
at
org.apache.ambari.server.orm.entities.AlertGroupEntity.setAlertTargets(AlertGroupEntity.java:313)
at
org.apache.ambari.server.controller.internal.AlertGroupResourceProvider.updateAlertGroups(AlertGroupResourceProvider.java:344)
at
org.apache.ambari.server.controller.internal.AlertGroupResourceProvider.access$100(AlertGroupResourceProvider.java:60)
at
org.apache.ambari.server.controller.internal.AlertGroupResourceProvider$2.invoke(AlertGroupResourceProvider.java:187)
at
org.apache.ambari.server.controller.internal.AlertGroupResourceProvider$2.invoke(AlertGroupResourceProvider.java:184)
at
org.apache.ambari.server.controller.internal.AbstractResourceProvider.invokeWithRetry(AbstractResourceProvider.java:450)
at
org.apache.ambari.server.controller.internal.AbstractResourceProvider.modifyResources(AbstractResourceProvider.java:331)
{code}
The in-memory collection is not thread safe.
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