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From "Hadoop QA (JIRA)" <>
Subject [jira] [Commented] (AMBARI-9851) "ambari-server start command" hangs if was executed via ssh command
Date Sat, 28 Feb 2015 20:11:04 GMT


Hadoop QA commented on AMBARI-9851:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment
  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
                        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 test build failed in ambari-server 

Test results:
Console output:

This message is automatically generated.

> "ambari-server start command" hangs if was executed via ssh command
> -------------------------------------------------------------------
>                 Key: AMBARI-9851
>                 URL:
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-metrics
>    Affects Versions: 2.0.0
>         Environment: Ubuntu
>            Reporter: Dmytro Sen
>            Assignee: Dmytro Sen
>            Priority: Critical
>             Fix For: 2.0.0
>         Attachments: AMBARI-9851.patch
> When executing {{ambari-server start}} command via ssh, process hangs.
> Reproducible only when executing ambari-server start without login only on Ubuntu
> {code}
> andrew@pc:~/vagrant/ubuntu12.4$ ssh -i ../insecure_private_key root@u1201 "ambari-server
> Using python  /usr/bin/python2.7
> Starting ambari-server
> Ambari Server running with 'root' privileges.
> About to start PostgreSQL
> Organizing resource files at /var/lib/ambari-server/resources...
> Server PID at: /var/run/ambari-server/
> Server out at: /var/log/ambari-server/ambari-server.out
> Server log at: /var/log/ambari-server/ambari-server.log
> Waiting for server start....................
> Ambari Server 'start' completed successfully.
> {code}
> User need to drop ssh connection afterwards.
> This affects our QA automation tests, because we need to create workaround for it.
> Per my investigations, in tests we can now make something like:
> {code}
> ssh root@host "ambari-server start < /dev/null > /tmp/ambari-start-log 2>&1
> {code}
> But this will breaks our ability for easily checking outputs of ambari-server
> We had similar bug before, but for different OS

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