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https://issues.apache.org/jira/browse/CURATOR-409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16661622#comment-16661622
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Akira Ajisaka commented on CURATOR-409:
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Is there any chance to backport this to 2.x and 3.x?
Apache Hadoop is using Curator 2.12.0 and upgraded ZooKeeper from 3.4.8 to
3.14.13. And then, hit this issue (tracked by YARN-8937).
> TestingQuorumPeerMain does not work with Zookeeper 3.5.3-beta
> -------------------------------------------------------------
>
> Key: CURATOR-409
> URL: https://issues.apache.org/jira/browse/CURATOR-409
> Project: Apache Curator
> Issue Type: Bug
> Components: Tests
> Affects Versions: 3.3.0
> Reporter: Stig Rohde Døssing
> Priority: Major
> Fix For: 4.0.0
>
>
> Zookeeper 3.5.3 has added a getQuorumPeer method to QuorumPeerMain
> https://github.com/apache/zookeeper/blob/release-3.5.3/src/java/main/org/apache/zookeeper/server/quorum/QuorumPeerMain.java#L194.
> TestingQuorumPeerMain has an identically named method, which is now
> unintentionally overridding the one in the base class.
> This causes TestingCluster to be unusable.
> {code}
> 20:36:41.199 [Thread-1] ERROR org.apache.curator.test.TestingZooKeeperServer
> - From testing server (random state: false) for instance:
> InstanceSpec{dataDirectory=C:\Users\Esran\AppData\Local\Temp\1494009401090-0,
> port=65306, electionPort=65307, quorumPort=65308,
> deleteDataDirectoryOnClose=true, serverId=1, tickTime=-1, maxClientCnxns=-1,
> customProperties={}, hostname=127.0.0.1}
> org.apache.curator.test.InstanceSpec@59c4b497
> java.lang.NullPointerException: null
> at
> org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:158)
>
> ~[zookeeper-3.5.3-beta.jar:3.5.3-beta-8ce24f9e675cbefffb8f21a47e06b42864475a60]
> at
> org.apache.curator.test.TestingZooKeeperServer$1.run(TestingZooKeeperServer.java:150)
> [curator-test-3.3.0.jar:3.3.0]
> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_73]
> {code}
> The method in TestingQuorumPeerMain should be renamed.
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