[AMBARI-20795] MYSQL server install failed with "TypeError: coercing to Unicode: need string or buffer, NoneType found"

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5.1
• Fix Version/s: 2.5.1
• Component/s: ambari-server
• Assignee: Madhuvanthi Radhakrishnan
• Reporter: Shreya Bhat
• Created: 20/Apr/17 10:04
• Updated: 09/May/17 18:56
• Resolved: 09/May/17 18:56

Description

STR
Deploy cluster using UI
Result: MYSQL server install failed

std.err
"stderr" : "Traceback (most recent call last):\n File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/mysql_server.py\", line 64, in <module>\n MysqlServer().execute()\n File \"/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py\", line 315, in execute\n method(env)\n File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/mysql_server.py\", line 32, in install\n import params\n File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/params.py\", line 27, in <module>\n from params_linux import *\n File \"/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/params_linux.py\", line 83, in <module>\n stack_version_formatted = functions.get_stack_version('hive-server2')\n File \"/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py\", line 89, in thunk\n return fn(*args, **kwargs)\n File \"/usr/lib/python2.6/site-packages/resource_management/libraries/functions/get_stack_version.py\", line 70, in get_stack_version\n if not os.path.exists(stack_selector_path):\n File \"/usr/lib/python2.7/genericpath.py\", line 18, in exists\n os.stat(path)\nTypeError: coercing to Unicode: need string or buffer, NoneType found",
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