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https://issues.apache.org/jira/browse/FLINK-10943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16713069#comment-16713069
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ASF GitHub Bot commented on FLINK-10943:
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tillrohrmann commented on issue #7148: [FLINK-10943][tests] Fix test failures
in flink runtime caused by curator dependency conflicts
URL: https://github.com/apache/flink/pull/7148#issuecomment-445289736
Thanks for opening this PR @link3280. I'm wondering what the exact problem
is which we are facing here. To me it looks as if the `flink-shaded-hadoop2`
and `flink-shaded-curator` module correctly relocate the curator dependency.
Therefore, there should be no problem with differing Curator versions.
I would suspect that this problem arises if you run the test out of IntelliJ
because it does not correctly respect relocated resources:
https://youtrack.jetbrains.com/issue/IDEA-93855. Moreover, if you use a Maven
version higher than `3.2.5`, then you need to run your build twice in order to
generate the relocated artifacts.
I was able to run `ZooKeeperStateHandleStoreTest` with Hadoop version 2.6.5
and Maven version 3.2.5 by calling `mvn verify -pl flink-runtime`. Could you
check whether this works for you as well?
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> Flink runtime test failed caused by curator dependency conflicts
> ----------------------------------------------------------------
>
> Key: FLINK-10943
> URL: https://issues.apache.org/jira/browse/FLINK-10943
> Project: Flink
> Issue Type: Bug
> Components: Build System, Tests
> Affects Versions: 1.5.5, 1.6.2
> Reporter: Paul Lin
> Assignee: Paul Lin
> Priority: Minor
> Labels: pull-request-available
> Attachments:
> org.apache.flink.runtime.zookeeper.ZooKeeperStateHandleStoreTest.txt
>
>
> Hadoop-common of 2.6 + version includes curator dependencies, which would
> have conflicts with the curator used by Flink runtime and cause test failures
> (the attachment is the surefire report).
> The curator dependencies tree of flink runtime is as below:
> ```
> flink-shaded-hadoop2 -> hadoop-common -> curator-client & curator-recipes
> flink-shaded-curator -> curator-recipes -> curator-framework -> curator-client
> ```
> According to the dependency mechanism, maven would pick the curator-client in
> flink-shaded-hadoop2, and curator-framework and curator-recipes from
> flink-shaded-curator.
> To fix the problem I think we can simply exclude curator-client from
> flink-shaded-hadoop2 dependency in flink-runtime.
> I'd like to fix this, please let me know what you think. Thanks!
> [^org.apache.flink.runtime.zookeeper.ZooKeeperStateHandleStoreTest.txt]
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