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https://issues.apache.org/jira/browse/AMBARI-13019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876737#comment-14876737
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Jayush Luniya commented on AMBARI-13019:
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Trunk:
commit 1065bc5155629ce5951c370c5cc74ad849ae222d
Author: Jayush Luniya <[email protected]>
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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