[jira] [Created] (AMBARI-23610) Enable NameNode HA fails after Ambari Upgrade due to AttributeError

["Doroszlai, Attila (JIRA)" <ji...@apache.org>]

Doroszlai, Attila created AMBARI-23610:
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             Summary: Enable NameNode HA fails after Ambari Upgrade due to AttributeError
                 Key: AMBARI-23610
                 URL: https://issues.apache.org/jira/browse/AMBARI-23610
             Project: Ambari
          Issue Type: Bug
          Components: ambari-agent
    Affects Versions: 2.7.0
            Reporter: Doroszlai, Attila
            Assignee: Doroszlai, Attila
             Fix For: 2.7.0


STR

# Install a Ambari Cluster with Ambari 2.6.1
# Upgrade to Ambari 2.7
# Try to enable NameNode HA

Result:

{noformat}
Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/journalnode.py", line 143, in <module>
    JournalNode().execute()
  File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", line 353, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/journalnode.py", line 39, 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 330, in <module>
    if hostname.lower() in nn_host.lower() or public_hostname.lower() in nn_host.lower():
AttributeError: 'NoneType' object has no attribute 'lower'
{noformat}

Problem:

{noformat:title=command*json}
"public_hostname": null
{noformat}



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