[jira] [Created] (AMBARI-21750) HDFS restart fails after migration if WebHDFS is disabled

["Siddharth Wagle (JIRA)" <ji...@apache.org>]

Siddharth Wagle created AMBARI-21750:
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             Summary: HDFS restart fails after migration if WebHDFS is disabled
                 Key: AMBARI-21750
                 URL: https://issues.apache.org/jira/browse/AMBARI-21750
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.5.2
            Reporter: Siddharth Wagle
            Assignee: Siddharth Wagle
            Priority: Critical
             Fix For: 2.5.2


*STR*:
- Install IOP 4.2.5 cluster with HDFS and ZK 
- Disable WebHDFS and Restart affected services
- Upgrade to Ambari 2.5.2 (latest build)
- Check the fast-hdfs-resource jar exists:
{code}
ls -l /var/lib/ambari-agent/cache/stacks/BigInsights/4.2.5/hooks/before-START/files/fast-hdfs-resource.jar
{code}
- Restart amabri agent. The file is deleted after restart.
- Results in the following error:
{code}
raceback (most recent call last):
  File "/var/lib/ambari-agent/cache/stacks/BigInsights/4.2.5/hooks/before-START/scripts/hook.py", line 41, in <module>
    BeforeStartHook().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 329, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/stacks/BigInsights/4.2.5/hooks/before-START/scripts/hook.py", line 34, in hook
    setup_hadoop()
  File "/var/lib/ambari-agent/cache/stacks/BigInsights/4.2.5/hooks/before-START/scripts/shared_initialization.py", line 71, in setup_hadoop
    content=StaticFile("fast-hdfs-resource.jar")
  File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 166, in __init__
    self.env.run()
  File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 160, in run
    self.run_action(resource, action)
  File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 124, in run_action
    provider_action()
  File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 123, in action_create
    content = self._get_content()
  File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 160, in _get_content
    return content()
  File "/usr/lib/python2.6/site-packages/resource_management/core/source.py", line 52, in __call__
    return self.get_content()
  File "/usr/lib/python2.6/site-packages/resource_management/core/source.py", line 76, in get_content
    raise Fail("{0} Source file {1} is not found".format(repr(self), path))
resource_management.core.exceptions.Fail: StaticFile('fast-hdfs-resource.jar') Source file /var/lib/ambari-agent/cache/stacks/BigInsights/4.2.5/hooks/before-START/files/fast-hdfs-resource.jar is not found
{code}



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