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From "Masahiro Tanaka (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-17245) Failed to start Hive metastore due to UnicodeDecodeError
Date Wed, 15 Jun 2016 04:51:09 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-17245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Masahiro Tanaka updated AMBARI-17245:
-------------------------------------
    Summary: Failed to start Hive metastore due to UnicodeDecodeError  (was: Failed Hive metastore
start due to UnicodeDecodeError)

> Failed to start Hive metastore due to UnicodeDecodeError
> --------------------------------------------------------
>
>                 Key: AMBARI-17245
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17245
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: trunk
>         Environment: CentOS6.5, LANG=ja_JP.UTF-8
>            Reporter: Masahiro Tanaka
>            Assignee: Masahiro Tanaka
>
> When we start hivemestore in the environment described above, we got an error
> {code}
> Traceback (most recent call last):
>   File "/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/hive_metastore.py",
line 254, in <module>
>     HiveMetastore().execute()
>   File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
line 257, in execute
>     method(env)
>   File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
line 686, in restart
>     self.start(env, upgrade_type=upgrade_type)
>   File "/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/hive_metastore.py",
line 61, in start
>     hive_service('metastore', action='start', upgrade_type=upgrade_type)
>   File "/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py", line 89,
in thunk
>     return fn(*args, **kwargs)
>   File "/var/lib/ambari-agent/cache/common-services/HIVE/0.12.0.2.0/package/scripts/hive_service.py",
line 70, in hive_service
>     pid = get_user_call_output.get_user_call_output(format("cat {pid_file}"), user=params.hive_user,
is_checked_call=False)[1]
>   File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/get_user_call_output.py",
line 59, in get_user_call_output
>     err_msg = Logger.filter_text(("Execution of '%s' returned %d. %s") % (command_string,
code, all_output))
>   File "/usr/lib/python2.6/site-packages/resource_management/core/logger.py", line 101,
in filter_text
>     text = text.replace(unprotected_string, protected_string)
> UnicodeDecodeError: 'ascii' codec can't decode byte 0xe3 in position 117: ordinal not
in range(128)
> {code}
> I think the reason why this error occurs is because "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/get_user_call_output.py".
This script calls system command (e.g. {{cat}}), writes stdout & stderr in the tempfile,
and read it. The outputs (stdout, stderr) are in UTF-8 encoded Japanese in the above environment.
> When reading string from file, python regards the file as ASCII encoded by default. But
if the file is utf-8 encoded, this causes an error.
> We should decode UTF-8 when reading the file.



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