Vivek Sharma created AMBARI-23369:
-------------------------------------
Summary: Livy server fails to start after Ambari upgrade due to
missing argument for nameservice
Key: AMBARI-23369
URL: https://issues.apache.org/jira/browse/AMBARI-23369
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.7.0
Reporter: Vivek Sharma
Fix For: 2.7.0
*STR*
# Deployed a cluster with HDP-2.6.4 and Ambari-2.6.1
# Upgrade Ambari to 2.7.0.0-202
# Try to start Spark service
*Result*
Spark livy server start fails with:
{code:java}
Traceback (most recent call last):
File
"/var/lib/ambari-agent/cache/common-services/SPARK2/2.0.0/package/scripts/livy2_server.py",
line 144, in
LivyServer().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/SPARK2/2.0.0/package/scripts/livy2_server.py",
line 59, in start
self.wait_for_dfs_directories_created([params.entity_groupfs_store_dir,
params.entity_groupfs_active_dir])
File
"/var/lib/ambari-agent/cache/common-services/SPARK2/2.0.0/package/scripts/livy2_server.py",
line 91, in wait_for_dfs_directories_created
self.wait_for_dfs_directory_created(dir_path, ignored_dfs_dirs)
File
"/usr/lib/ambari-agent/lib/resource_management/libraries/functions/decorator.py",
line 54, in wrapper
return function(*args, **kwargs)
File
"/var/lib/ambari-agent/cache/common-services/SPARK2/2.0.0/package/scripts/livy2_server.py",
line 115, in wait_for_dfs_directory_created
util = WebHDFSUtil(params.hdfs_site, params.hdfs_user,
params.security_enabled)
TypeError: __init__() takes at least 5 arguments (4 given)
{code}
The issue is because a new 'nameservice' argument is added to WebHDFSUtil
constructor
The problem needs a fix in both livy_server and livy2_server scripts, as the
below call is common in these two scripts
{code:java}
util = WebHDFSUtil(params.hdfs_site, params.hdfs_user,
params.security_enabled){code}
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