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https://issues.apache.org/jira/browse/HBASE-8438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13716663#comment-13716663
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Nick Dimiduk commented on HBASE-8438:
-------------------------------------
As commented on HIVE-2055, the YARN folk have solved a related problem. They
have a similar difficulty in line lengths when establishing runtime
environments on Windows. Their solution is in YARN-316 and the method
{{FileUtil#createJarWithClassPath()}}. The caller provides a {{PATH}} string
and this method creates a temporary jar on the local fs, containing manifest
classpath entries for all of the entries in the PATH-like argument. Variables
and wild-cards are expanded. The method returns a String which is the path to
this local jar.
Perhaps we can use this to solve the classpath woes for our friends? I like it
because it doesn't keep us in the business of custom classpath parsing and set
manipulations on strings passed from shell scripts.
> Extend bin/hbase to print a "minimal classpath" for used by other tools
> -----------------------------------------------------------------------
>
> Key: HBASE-8438
> URL: https://issues.apache.org/jira/browse/HBASE-8438
> Project: HBase
> Issue Type: Improvement
> Components: scripts
> Affects Versions: 0.94.6.1, 0.95.0
> Reporter: Nick Dimiduk
> Assignee: Nick Dimiduk
> Attachments:
> 0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch,
> 0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch,
> 0001-HBASE-8438-Extend-bin-hbase-to-print-a-minimal-class.patch
>
>
> For tools like pig and hive, blindly appending the full output of `bin/hbase
> classpath` to their own CLASSPATH is excessive. They already build CLASSPATH
> entries for hadoop. All they need from us is the delta entries, the
> dependencies we require w/o hadoop and all of it's transitive deps. This is
> also a kindness for Windows, where there's a shorter limit on the length of
> commandline arguments.
> See also HIVE-2055 for additional discussion.
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