Robert Levas created AMBARI-10550:
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Summary: NameNode Restart fails after attempt to Kerberize Cluster
Key: AMBARI-10550
URL: https://issues.apache.org/jira/browse/AMBARI-10550
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.1.0
Reporter: Robert Levas
Assignee: Robert Levas
Priority: Critical
Fix For: 2.1.0
When attempting to restart the HDFS NameNode after running the Kerberos wizard
to enable Kerberos, the NameNode fails to startup.
The underlying failure in the ambari-agent appears to be:
"Traceback (most recent call last):
File
"/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py",
line 298, in <module>
NameNode().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/namenode.py",
line 72, in start
namenode(action="start", rolling_restart=rolling_restart, env=env)
File "/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py",
line 89, in thunk
return fn(*args, **kwargs)
File
"/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/hdfs_namenode.py",
line 38, in namenode
setup_ranger_hdfs()
File
"/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/setup_ranger_hdfs.py",
line 66, in setup_ranger_hdfs
hdfs_repo_data = hdfs_repo_properties()
File
"/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/setup_ranger_hdfs.py",
line 194, in hdfs_repo_properties
config_dict['dfs.datanode.kerberos.principal'] = params._dn_principal_name
AttributeError: 'module' object has no attribute '_dn_principal_name'"
This keeps the HDFS NameNode from starting up properly after Kerberos is
Enabled, and this seems to keep the process of Enabling Kerberos from
completing.
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