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From "Carl Steinbach (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3172) Remove the duplicate JAR entries from the (“test.classpath”) to avoid command line exceeding char limit on windows
Date Mon, 25 Jun 2012 05:23:43 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400286#comment-13400286
] 

Carl Steinbach commented on HIVE-3172:
--------------------------------------

> All MiniMR cluster related test cases are failing when hadoop is attempting to run the
MR jobs.

I'm kind of surprised that this isn't breaking all of the tests. Why does it only affect the
Minimr tests? Specifically which parameter is too long? Can you please provide a reference
to a class and method? Thanks.
                
> Remove the duplicate JAR entries from the (“test.classpath”) to avoid command line
exceeding char limit on windows 
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-3172
>                 URL: https://issues.apache.org/jira/browse/HIVE-3172
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Tests, Windows
>    Affects Versions: 0.10.0
>         Environment: Windows
>            Reporter: Kanna Karanam
>            Assignee: Kanna Karanam
>              Labels: Windows
>             Fix For: 0.10.0
>
>         Attachments: HIVE-3172.1.patch.txt, HIVE-3172.2.patch.txt
>
>
> The maximum length of the DOS command string is 8191 characters (in Windows latest versions
http://support.microsoft.com/kb/830473). Following entries in the “build-common.xml” are
adding lot of duplicate JAR entries to the “test.classpath” and it exceeds the max character
limit on windows very easily. 
> <!-- Include build/dist/lib on the classpath before Ivy and exclude hive jars from
Ivy to make sure we get the local changes when we test Hive -->
>     <fileset dir="${build.dir.hive}/dist/lib" includes="*.jar" erroronmissingdir="false"
excludes="**/hive_contrib*.jar,**/hive-contrib*.jar,**/lib*.jar"/>
>     <fileset dir="${hive.root}/build/ivy/lib/test" includes="*.jar" erroronmissingdir="false"
excludes="**/hive_*.jar,**/hive-*.jar"/>
>     <fileset dir="${hive.root}/build/ivy/lib/default" includes="*.jar" erroronmissingdir="false"
excludes="**/hive_*.jar,**/hive-*.jar" />
>     <fileset dir="${hive.root}/testlibs" includes="*.jar"/>
> Proposed solution (workaround)–
> 1)Include all JARs from dist\lib excluding "**/hive_contrib*.jar,**/hive-contrib*.jar,**/lib*.jar"
> 2)Select the specific jars (missing jars) from test/other folders, (that includes Hadoop-*.jar
files)
> Thanks

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