[jira] [Updated] (HADOOP-14848) Switch from JDiff to japicmp

["Andrew Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-14848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Wang updated HADOOP-14848:
---------------------------------
    Attachment: HADOOP-14848.001.patch

Here's a WIP patch. The YARN poms don't inherit from hadoop-project-dist. This means the WIP patch generates reports for these modules:

{noformat}
-> % find . -name "japicmp.html"
./hadoop-common-project/hadoop-common/target/japicmp/japicmp.html
./hadoop-hdfs-project/hadoop-hdfs-client/target/japicmp/japicmp.html
./hadoop-hdfs-project/hadoop-hdfs/target/japicmp/japicmp.html
./hadoop-hdfs-project/hadoop-hdfs-native-client/target/japicmp/japicmp.html
./hadoop-tools/hadoop-tools-dist/target/japicmp/japicmp.html
./hadoop-client-modules/hadoop-client/target/japicmp/japicmp.html
{noformat}

> Switch from JDiff to japicmp
> ----------------------------
>
>                 Key: HADOOP-14848
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14848
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Andrew Wang
>         Attachments: HADOOP-14848.001.patch
>
>
> JDiff is old and not maintained. It complicates our build by requiring xerces, and also a lot of Maven logic to custom patch it and stitch it up.
> japicmp was proposed as a more up-to-date tool that also has a Maven plugin. It's also ALv2 which is a nice bonus.



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