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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/50396/
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(Updated Липень 26, 2016, 12:40 після полудня)


Review request for Ambari, Dmitro Lisnichenko, Dmytro Sen, Robert Levas, and 
Sumit Mohanty.


Bugs: AMBARI-17889
    https://issues.apache.org/jira/browse/AMBARI-17889


Repository: ambari


Description
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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}


Diffs (updated)
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  ambari-server/src/main/resources/custom_actions/scripts/check_host.py 3d9dfa8 

Diff: https://reviews.apache.org/r/50396/diff/


Testing
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mvn clean test


Thanks,

Vitalyi Brodetskyi

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