[jira] [Created] (AMBARI-17889) Bad error message if user has not performed ambari-server setup for jdbc driver before configuring custom DB

["Vitaly Brodetskyi (JIRA)" <ji...@apache.org>]

Vitaly Brodetskyi created AMBARI-17889:
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             Summary: Bad error message if user has not performed ambari-server setup for jdbc driver before configuring custom DB
                 Key: AMBARI-17889
                 URL: https://issues.apache.org/jira/browse/AMBARI-17889
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.4.0
            Reporter: Vitaly Brodetskyi
            Assignee: Vitaly Brodetskyi
             Fix For: 2.5.0


While installing a cluster, I forgot to call:
{{ambari-server setup --jdbc-db=mysql --jdbc-driver=/usr/share/java/mysql-connector-java.jar}}

Check DB connection failed with:
{code}
2016-07-13 00:56:32,751 - There was an unknown error while checking database connectivity: cannot concatenate 'str' and 'NoneType' objects
Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/custom_actions/scripts/check_host.py", line 144, in actionexecute
    db_connection_check_structured_output = self.execute_db_connection_check(config, tmp_dir)
  File "/var/lib/ambari-agent/cache/custom_actions/scripts/check_host.py", line 285, in execute_db_connection_check
    jdbc_url = jdk_location + jdbc_driver_mysql_name
TypeError: cannot concatenate 'str' and 'NoneType' objects
2016-07-13 00:56:32,752 - Check db_connection_check was unsuccessful. Exit code: 1. Message: cannot concatenate 'str' and 'NoneType' objects

Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/custom_actions/scripts/check_host.py", line 506, in <module>
    CheckHost().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 280, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/custom_actions/scripts/check_host.py", line 206, in actionexecute
    raise Fail(error_message)
resource_management.core.exceptions.Fail: Check db_connection_check was unsuccessful. Exit code: 1. Message: cannot concatenate 'str' and 'NoneType' objects
{code}



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