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https://issues.apache.org/jira/browse/PHOENIX-6333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17269825#comment-17269825
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ASF GitHub Bot commented on PHOENIX-6333:
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stoty edited a comment on pull request #1103:
URL: https://github.com/apache/phoenix/pull/1103#issuecomment-764430071
Note that unless I managed to mess up the Jenkinsfile syntax, the Yetus
results are irrelevant, as none of this applies the the HBase 2.4 profile.
Also note that this includes the fix for PHOENIX-6332
Edit: The Jenkisfile isn't touched by Yetus, either.
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> Hbase versions older than 2.4.0 are incompatible with Hadoop 3.1.4
> ------------------------------------------------------------------
>
> Key: PHOENIX-6333
> URL: https://issues.apache.org/jira/browse/PHOENIX-6333
> Project: Phoenix
> Issue Type: Bug
> Components: core
> Affects Versions: 5.1.0
> Reporter: Istvan Toth
> Assignee: Istvan Toth
> Priority: Blocker
> Fix For: 5.1.0
>
>
> In PHOENIX-6326 I've upgraded Hadoop to 3.1.4 to solve a test failure caused
> by older Jetty versions.
> It turns out that only HBase 2.4 is compatible with the new Jetty in 3.1.4,
> (it uses a shaded jetty), but earlier versions are not.
> Unfortunately, this happened right after we swicthed Yetus to to use Hbase
> 2.4, so the procommit checks didn't catch this.
> Technically, neither the Phoenix client or server runtime artifacts are
> affected by this, as the server doesn't include HBase, and the client doesn'
> use jetty.
> Considering that any pre-2.4.0 HBase version is incompatible with Hadoop
> 3.1.4, I think that the best option to use Hadoop 3.1.3 in those profiles.
> As any pre-2.4.0 HBase is incompatible (at least on ther server side) with
> the problematic Java releases,
> we are not really losing anything by not supporting building releases with
> this profiles in Phoenix.
> Furthermore, it turns out that even minor hadoop releases are not ABI
> compatible.
> Rebuilding HBase 2.1 with hadoop.profile=3.0, which uses Hadoop 3.0.3, and
> then building Phoenix with Hadoop 3.1.3 will result in the usual
> Class<->Interface errors.
> While building Hbase 2.1 with _hadoop.profile=3.0 hadoop.version=3.1.3_ seems
> to resolve this, I think that sticiking with same Hadoop minor version that
> HBase defaults to in each profile will be simpler, and more likely to be
> compatible with user environments.
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