Uploaded image for project: 'Ambari'
  1. Ambari
  2. AMBARI-19259

When Updating An Alert Group a ConcurrentModificationException is Thrown

    XMLWordPrintableJSON

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 2.2.0
    • Fix Version/s: 2.5.0
    • Component/s: ambari-server
    • Labels:
      None

      Description

      When editing an alert group which has targets via the UI, sometimes the following is seen:

      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)
      

      The in-memory collection is not thread safe.

        Attachments

        1. AMBARI-19259.patch
          7 kB
          Jonathan Hurley

          Issue Links

            Activity

              People

              • Assignee:
                jonathanhurley Jonathan Hurley
                Reporter:
                jonathanhurley Jonathan Hurley
              • Votes:
                0 Vote for this issue
                Watchers:
                2 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: