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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-15166) Cluster deadlock when calling create hosts api concurrently with host registration
Date Thu, 25 Feb 2016 22:47:18 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-15166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15168028#comment-15168028
] 

Hadoop QA commented on AMBARI-15166:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12789604/AMBARI-15166.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in ambari-server:

                  org.apache.ambari.server.controller.internal.AlertResourceProviderTest

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/5575//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/5575//console

This message is automatically generated.

> Cluster deadlock when calling create hosts api concurrently with host registration
> ----------------------------------------------------------------------------------
>
>                 Key: AMBARI-15166
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15166
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.2.2
>            Reporter: Vitaly Brodetskyi
>            Assignee: Vitaly Brodetskyi
>            Priority: Critical
>             Fix For: 2.2.2
>
>         Attachments: AMBARI-15166.patch
>
>
> Deadlock was detected by JVM.
> Lock acquisition order should be changed in host registration event processing.
> Currently Clusters object is called after host-local lock acquired.
> Jstack thread dump attached.



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