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From "Kanna Karanam (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-3127) Don’t pass–hconf values as command line arguments to child JVM to avoid command line exceeding char limit on windows
Date Wed, 13 Jun 2012 17:53:42 GMT
Kanna Karanam created HIVE-3127:
-----------------------------------

             Summary: Don’t pass–hconf values as command line arguments to child JVM to
avoid command line exceeding char limit on windows
                 Key: HIVE-3127
                 URL: https://issues.apache.org/jira/browse/HIVE-3127
             Project: Hive
          Issue Type: Bug
          Components: Configuration
    Affects Versions: 0.9.0, 0.10.0, 0.9.1
            Reporter: Kanna Karanam
             Fix For: 0.10.0


The maximum length of the DOS command string is 8191 characters (in Windows latest versions
http://support.microsoft.com/kb/830473). This limit will be exceeded easily when it appends
individual –hconf values to the command string. To work around this problem, Write all changed
hconf values to a temp file and pass the temp file path to the child jvm to read and initialize
the -hconf parameters from file.

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