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From "Myroslav Papirkovskyi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-15691) Express Upgrade hangs if ambari agent is restarted in the middle of EU
Date Mon, 04 Apr 2016 18:16:25 GMT
Myroslav Papirkovskyi created AMBARI-15691:
----------------------------------------------

             Summary: Express Upgrade hangs if ambari agent is restarted in the middle of
EU
                 Key: AMBARI-15691
                 URL: https://issues.apache.org/jira/browse/AMBARI-15691
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.2.2
            Reporter: Myroslav Papirkovskyi
            Assignee: Myroslav Papirkovskyi
            Priority: Blocker
             Fix For: 2.2.2
         Attachments: AMBARI-15691.patch

*Steps*
# Install HDP-2.4.0.0 with Ambari 2.2.2 (secure, non-HA cluster)
# Start EU to 2.4.2.0-127 and reach till "Backup Knox data" prompt
# Hit Proceed at "backup Knox data" message
# Stop ambari agent on two of the cluster hosts and wait for EU to fail with "HOLDING_TIMEDOUT"
status (in my test EU stopped at "Snapshot HBase" task)
# Start the agents on both hosts and wait 90 secs. for agents to heartbeat
# Retry the failed task

*Result*
EU hangs

>From ambari-server log:
{code}

04 Apr 2016 08:20:14,729  WARN [ambari-action-scheduler] ActionScheduler:201 - Exception received
java.lang.NullPointerException
        at org.apache.ambari.server.actionmanager.ActionScheduler.wasAgentRestartedDuringOperation(ActionScheduler.java:887)
        at org.apache.ambari.server.actionmanager.ActionScheduler.processInProgressStage(ActionScheduler.java:691)
        at org.apache.ambari.server.actionmanager.ActionScheduler.doWork(ActionScheduler.java:289)
        at org.apache.ambari.server.actionmanager.ActionScheduler.run(ActionScheduler.java:196)
        at java.lang.Thread.run(Thread.java:745)
04 Apr 2016 08:30:29,451  WARN [ambari-action-scheduler] ActionScheduler:695 - Detected ambari-agent
restart during command execution.The command has been aborted.Execution command details: host:
os-d7-ngzvlu-ambari-se-eu-10-2.novalocal, role: ru_execute_tasks, actionId: 19-27
04 Apr 2016 08:30:30,581  WARN [ambari-action-scheduler] ActionScheduler:695 - Detected ambari-agent
restart during command execution.The command has been aborted.Execution command details: host:
os-d7-ngzvlu-ambari-se-eu-10-2.novalocal, role: ru_execute_tasks, actionId: 19-27
{code}



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