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Posted to dev@ambari.apache.org by "Jayush Luniya (JIRA)" <ji...@apache.org> on 2015/09/19 02:27:05 UTC
[jira] [Commented] (AMBARI-13019) Empty package folders on
ambari-server causes corresponding component restart to fail
[ https://issues.apache.org/jira/browse/AMBARI-13019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876737#comment-14876737 ]
Jayush Luniya commented on AMBARI-13019:
----------------------------------------
Trunk:
commit 1065bc5155629ce5951c370c5cc74ad849ae222d
Author: Jayush Luniya <jl...@hortonworks.com>
Date: Fri Sep 18 17:25:38 2015 -0700
AMBARI-13019: Empty package folders on ambari-server causes corresponding component restart to fail (Nahappan Somasundaram via jluniya)
> Empty package folders on ambari-server causes corresponding component restart to fail
> -------------------------------------------------------------------------------------
>
> Key: AMBARI-13019
> URL: https://issues.apache.org/jira/browse/AMBARI-13019
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.2.0
> Reporter: Nahappan Somasundaram
> Assignee: Nahappan Somasundaram
> Fix For: 2.2.0
>
>
> When the agent executes a command say status/start/stop command, ambari-server provides the service_package_folder to use as a parameter
> Repro Steps:
> 1. mkdir /var/lib/ambari-server/resouces/stacks/HDP/2.2/services/HDFS/package
> 2. ambari-server restart
> 3. Notice HDFS components report Heartbeat Lost and Restart HDFS fail.
> 4. This is because the sservice_package_folder is set to the empty folder.
> ERROR 2015-08-28 20:35:59,383 CustomServiceOrchestrator.py:218 - Caught an exception while executing custom service command: <class 'ambari_agent.AgentException.AgentException'>: 'Script /var/lib/ambari-agent/cache/stacks/HDP/2.2/services/HDFS/package/scripts/namenode.py does not exist'; 'Script /var/lib/ambari-agent/cache/stacks/HDP/2.2/services/HDFS/package/scripts/namenode.py does not exist'
> Traceback (most recent call last):
> File "/usr/lib/python2.6/site-packages/ambari_agent/CustomServiceOrchestrator.py", line 151, in runCommand
> script_path = self.resolve_script_path(base_dir, script)
> File "/usr/lib/python2.6/site-packages/ambari_agent/CustomServiceOrchestrator.py", line 288, in resolve_script_path
> raise AgentException(message)
> So even if we disable the stack from replicating an empty folder, the ambari-server would still pass the path as empty folder.
> We should also look at ignoring empty package folders while building the Stack Inheritance in Ambari Server
> Refer code in: ambari/ambari-server/src/main/java/org/apache/ambari/server/stack
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