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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9301) hadoop client servlet/jsp/jetty/tomcat JARs creating conflicts in Oozie & HttpFS
Date Sat, 02 Mar 2013 04:57:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13591297#comment-13591297
] 

Alejandro Abdelnur commented on HADOOP-9301:
--------------------------------------------

The patch I'm working on (more on that after in the next paragraph) disables transitive dependencies
that are not required, we have to do that one by one when we verify that they are not needed
on the client side.

I've spent a good chunk of the day trying to validate my patch (using the resulting hadoop-client
JARs in Oozie) but I'm running into other issues between Hadoop trunk and Oozie 3.3.1, thus
have to diagnose that too.

                
> hadoop client servlet/jsp/jetty/tomcat JARs creating conflicts in Oozie & HttpFS
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-9301
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9301
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 2.0.3-alpha
>            Reporter: Roman Shaposhnik
>            Assignee: Alejandro Abdelnur
>            Priority: Blocker
>             Fix For: 2.0.4-beta
>
>         Attachments: HADOOP-9301.patch
>
>
> Here's how to reproduce:
> {noformat}
> $ cd hadoop-client
> $ mvn dependency:tree | egrep 'jsp|jetty'
> [INFO] |  +- org.mortbay.jetty:jetty:jar:6.1.26.cloudera.2:compile
> [INFO] |  +- org.mortbay.jetty:jetty-util:jar:6.1.26.cloudera.2:compile
> [INFO] |  +- javax.servlet.jsp:jsp-api:jar:2.1:compile
> {noformat}
> This has a potential for completely screwing up clients like Oozie, etc – hence a blocker.
> It seems that while common excludes those JARs, they are sneaking in via hdfs, we need
to exclude them too.

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