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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-16954) SERVICE_CHECK Upgrade pre-check does not throw error when its expected to
Date Mon, 30 May 2016 16:38:12 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-16954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15306807#comment-15306807
] 

Hadoop QA commented on AMBARI-16954:
------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12806977/AMBARI-16954.patch
  against trunk revision .

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

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {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:green}+1 core tests{color}.  The patch passed unit tests in ambari-server.

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/7058//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/7058//console

This message is automatically generated.

> SERVICE_CHECK Upgrade pre-check does not throw error when its expected to
> -------------------------------------------------------------------------
>
>                 Key: AMBARI-16954
>                 URL: https://issues.apache.org/jira/browse/AMBARI-16954
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Dmitry Lysnichenko
>            Assignee: Dmitry Lysnichenko
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-16954.patch
>
>
> *Steps*
> # Deploy HDP-2.4.0.0 cluster with Ambari 2.2.2
> # Upgrade Ambari to 2.4.0.0
> # Register HDP-2.5.0.0 version and install the bits
> # Modify configs for some of the service like HDFS, ZK, YARN
> # Start EU
> *Result*:
> EU pre-check does *not* report below error for the three services whose config was modified
in step 4
> "The following service configurations have been updated and their Service Checks should
be run again:"
> Upon further investigation found that the pre-check does not work if a service check
has never been run for a service at all AND reports success in such cases
> In other words, the comparison between last config modification time and last service
check time succeeds if service check never ran at all and the output of below query returns
empty:
> {code}
> SELECT start_time FROM host_role_command where role = 'HDFS_SERVICE_CHECK' AND status
= 'COMPLETED' ORDER BY start_time DESC;
> {code}
> In this case when I manually ran a service check for HDFS and retried EU, the pre-check
caught the mismatch and reported error
> *Note*: I believe we do run service check as part of cluster install, but looks like
it does not get updated in the DB tables for all services.



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