[jira] [Commented] (HADOOP-13922) Some modules have dependencies on hadoop-client jar removed by HADOOP-11804

["Sean Busbey (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-13922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15762775#comment-15762775 ] 

Sean Busbey commented on HADOOP-13922:
--------------------------------------

pulled from my question on HADOOP-11804:

{quote}
Thinking about this more, the change to a pom type instead of an empty jar is better maven hygiene but means that downstream users who don't want to opt-in to the shaded dependencies will have to update their dependency declaration for the change.
i.e.

{code}
<dependency>
  <groupId>org.apache.hadoop</groupId>
  <artifactId>hadoop-client</artifactId>
</dependency>
{code}

has to change to

{code}
<dependency>
  <groupId>org.apache.hadoop</groupId>
  <artifactId>hadoop-client</artifactId>
  <type>pom</type>
</dependency>
{code}

Is that what we want? On the positive side, it means downstream folks have to think about wether they want to keep using the client-with-third-party-dependencies or switch to the shaded client. On the negative side, we are forcing all downstream users to think about things instead of just those who are interested in the shaded client.
{quote}

Happy to either clean up references to the non-pom dependency or change hadoop-client back to an empty jar. Just need to know which a committer would prefer.

(If I don't hear back one way or the other tonight, I'll decide which I think is better and put up a patch + reasoning tomorrow.)

> Some modules have dependencies on hadoop-client jar removed by HADOOP-11804
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-13922
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13922
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 3.0.0-alpha2
>            Reporter: Joe Pallas
>            Assignee: Sean Busbey
>            Priority: Blocker
>
> As discussed in [HADOOP-11804 comment 15758048|https://issues.apache.org/jira/browse/HADOOP-11804?focusedCommentId=15758048&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15758048] and following comments, there are still dependencies on the now-removed hadoop-client jar.  The current code builds only because an obsolete snapshot of the jar is found on the repository server.  Changing the project version to something new exposes the problem.
> While the build currently dies at hadoop-tools/hadoop-sls, I'm seeing issues with some Hadoop Client modules, too.
> I'm filing a new bug because I can't reopen HADOOP-11804.



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