[AMBARI-23701] Adding new namespace fails at Reconfigure Services for HDFS 2

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.7.0
• Component/s: stacks
• Labels: pull-request-available
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 26/Apr/18 09:52
• Updated: 26/Apr/18 16:40
• Resolved: 26/Apr/18 16:40

Description

Add New HDFS Namespace wizard fails at Reconfigure Services step when trying to add new namespace "ns2" (existing namespace is "TEST") in a HDP 2.6 cluster.

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 78, in <module>
    HdfsClient().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/hdfs_client.py", line 35, 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():
  File "/usr/lib/ambari-agent/lib/resource_management/libraries/script/config_dictionary.py", line 73, in __getattr__
    raise Fail("Configuration parameter '" + self.name + "' was not found in configurations dictionary!")
resource_management.core.exceptions.Fail: Configuration parameter 'dfs.namenode.rpc-address.TEST,ns2.nn1' was not found in configurations dictionary!

Issue Links

• links to: GitHub Pull Request #1105