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From "Antonenko Alexander (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-11374) After Adding A New Service dfs.namenode.checkpoint.dir Is Removed
Date Mon, 25 May 2015 18:28:17 GMT
Antonenko Alexander created AMBARI-11374:
--------------------------------------------

             Summary: After Adding A New Service dfs.namenode.checkpoint.dir Is Removed
                 Key: AMBARI-11374
                 URL: https://issues.apache.org/jira/browse/AMBARI-11374
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.1.0
            Reporter: Antonenko Alexander
            Assignee: Antonenko Alexander
            Priority: Critical
             Fix For: 2.1.0


I had a functioning cluster with core services installed (HDFS, ZK, YARN, HBase). NameNode
HA mode was enabled for HDFS and I stopped and started HDFS several times. HDFS also has 2
service configuration versions listed in the history; the initial revision and then the NameNode
HA revision.

I stopped all services and added a new service, Storm. When starting HDFS back up, the following
is encountered:

{code}
Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/hdfs_client.py",
line 117, in <module>
    HdfsClient().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
line 214, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/hdfs_client.py",
line 33, in install
    import params
  File "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/params.py",
line 25, in <module>
    from params_linux import *
  File "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/params_linux.py",
line 215, in <module>
    fs_checkpoint_dirs = config['configurations']['hdfs-site']['dfs.namenode.checkpoint.dir'].split(',')
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/config_dictionary.py",
line 79, in __getattr__
    raise Fail("Configuration parameter '" + self.name + "' was not found in configurations
dictionary!")
resource_management.core.exceptions.Fail: Configuration parameter 'dfs.namenode.checkpoint.dir'
was not found in configurations dictionary!
{code}

Taking a look at my HDFS history, I have a new, 3rd, service config version that I did not
create. It shows that {{dfs.namenode.checkpoint.dir}} was removed.



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