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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3305) Publish hadoop-core to the apache repository with an appropriate POM file
Date Tue, 25 Nov 2008 16:19:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Steve Loughran updated HADOOP-3305:

    Attachment: ivysupport.zip

This is what I'm working on right now; it publishes the core hadoop artifacts to the local
repository, where my other build can grab them. I also take the new artifacts and stick them
in an SVN-managed repository so that our hudson build runs against the releases I make, with
some work needed to make sure that my local build doesn't pick up those (usually dated) artifacts,
but instead stays up to date with whatever I build. 

The versions I have for things are


This hasn't migrated to jetty6 yet, and it used an early release of Ivy; it should work with
the latest official release now. 

commons-cli versions is a problem -there hasn't been an official release there for a while.
The solution there is to persuade them to release one.
json is a different problem in that there isn't an official release at all; you get to build
your own, and often they have different MD5 checksums just from manifest.mf metadata. We need
a better idea of what they built against and maybe stick something unofficial in the repository
that works.

> Publish hadoop-core to the apache repository with an appropriate POM file
> -------------------------------------------------------------------------
>                 Key: HADOOP-3305
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3305
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: build
>    Affects Versions: 0.16.2, 0.16.3
>            Reporter: Steve Loughran
>            Priority: Minor
>         Attachments: HADOOP-3305.patch, hadoop-core-0.16.2.pom, ivy-support-first-pass.zip,
ivysupport.zip, rmlib.sh
> To let people downstream build/test with hadoop, using Apache Ivy or Apache Maven2 to
pull it down, hadoop-core needs to be published to the apache repository with a .pom file
that lists its mandatory dependencies.
> In an automated build process, this means
> -having a template XML pom defining all included dependencies (and excluded transient
dependency artifacts)
> -having a property file driving version numbering of all artifacts
> -copying this template with property expansion to create the release POM file
> -public releases only: sticking this POM file up on people.apache.org in the right place,
along with the JAR and some .md5 checksums
> There's a risk that if the hadoop team dont do this, someone else will (as mahout are
doing under http://people.apache.org/~kalle/mahout/maven2/org/apache/hadoop/ )
> This is bad as hadoop end up fielding the support calls from someone elses files. 
> Before automating the process, existing hadoop-core JARs can be pushed out with hand-encoded
POM files. The repository police dont allow pom files ever to be changed, so supporting existing
releases (.16.2, 0.16.3 ... ) is a way of beta testing the POMs. 

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