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https://issues.apache.org/jira/browse/AMBARI-14307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15054112#comment-15054112
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Hadoop QA commented on AMBARI-14307:
------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12777229/AMBARI-14307.trunk.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 test build failed in ambari-server
Test results:
https://builds.apache.org/job/Ambari-trunk-test-patch/4577//testReport/
Console output:
https://builds.apache.org/job/Ambari-trunk-test-patch/4577//console
This message is automatically generated.
> RU: Kafka broker restart failed on downgrade from HDP 2.3 to 2.2 due to
> circular symlink of /etc/hadoop/conf
> ------------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-14307
> URL: https://issues.apache.org/jira/browse/AMBARI-14307
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.2.0
> Reporter: Alejandro Fernandez
> Assignee: Alejandro Fernandez
> Priority: Blocker
> Fix For: 2.2.0
>
> Attachments: AMBARI-14307.branch-2.2.patch, AMBARI-14307.trunk.patch
>
>
> * Ambari 2.2 at hash for AMBARI-14237
> (e15d1e0fb3777f79cb473cf5de0f7a6bf30e63bd)
> * HDP 2.2.8.0 with HDFS, YARN/MR, ZK, Kafka
> * RU from to 2.3.4.0 and reach the Finalize screen.
> * Then downgrade,
> Kafka broker restart failed on downgrade
> {code}
> Traceback (most recent call last):
> File
> \"/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py\",
> line 39, in <module>
> BeforeStartHook().execute()
> File
> \"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py\",
> line 217, in execute
> method(env)
> File
> \"/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py\",
> line 36, in hook
> create_topology_script_and_mapping()
> File
> \"/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/rack_awareness.py\",
> line 69, in create_topology_script_and_mapping
> create_topology_mapping()
> File
> \"/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/rack_awareness.py\",
> line 36, in create_topology_mapping
> group=params.user_group)
> File \"/usr/lib/python2.6/site-packages/resource_management/core/base.py\",
> line 154, in __init__
> self.env.run()
> File
> \"/usr/lib/python2.6/site-packages/resource_management/core/environment.py\",
> line 158, in run
> self.run_action(resource, action)
> File
> \"/usr/lib/python2.6/site-packages/resource_management/core/environment.py\",
> line 121, in run_action
> provider_action()
> File
> \"/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py\",
> line 144, in action_create
> raise Fail(\"Applying %s failed, looped symbolic links found while
> resolving %s\" % (self.resource, path))
> resource_management.core.exceptions.Fail: Applying
> Directory['/etc/hadoop/conf'] failed, looped symbolic links found while
> resolving /etc/hadoop/conf
> Error: Error: Unable to run the custom hook script ['/usr/bin/python2',
> '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py',
> 'START', '/var/lib/ambari-agent/data/command-2873.json',
> '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START',
> '/var/lib/ambari-agent/data/structured-out-2873.json', 'INFO',
> '/var/lib/ambari-agent/tmp']
> {code}
> This failed because /etc/hadoop/conf is now a circular symlink
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