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https://issues.apache.org/jira/browse/DRILL-7712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17275946#comment-17275946
 ] 

ASF GitHub Bot commented on DRILL-7712:
---------------------------------------

vdiravka commented on pull request #2156:
URL: https://github.com/apache/drill/pull/2156#issuecomment-770417957


   * Since it is major update of `Curator` library, we need to be sure we took 
into account [all breaking changes of Apache Curator 5.0 
version](https://curator.apache.org/breaking-changes.html).
   
   * And since Curator lib manages Zookeeper, @eevanwong could you please start 
Drill in distributed mode and try several queries to make sure Drill works fine 
with Zookeeper?
   
   @vvysotskyi Do you remember some specific cases needed to be checked in 
scope of [update Curator lib](https://issues.apache.org/jira/browse/DRILL-7702)?


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> Fix issues after ZK upgrade
> ---------------------------
>
>                 Key: DRILL-7712
>                 URL: https://issues.apache.org/jira/browse/DRILL-7712
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.18.0
>            Reporter: Arina Ielchiieva
>            Assignee: Vova Vysotskyi
>            Priority: Major
>             Fix For: 1.19.0
>
>
> Warnings during jdbc-all build (absent when building with Mapr profile):
> {noformat}
> netty-transport-native-epoll-4.1.45.Final.jar, 
> netty-transport-native-epoll-4.0.48.Final-linux-x86_64.jar define 46 
> overlapping classes: 
>   - io.netty.channel.epoll.AbstractEpollStreamChannel$2
>   - io.netty.channel.epoll.AbstractEpollServerChannel$EpollServerSocketUnsafe
>   - io.netty.channel.epoll.EpollDatagramChannel
>   - io.netty.channel.epoll.AbstractEpollStreamChannel$SpliceInChannelTask
>   - io.netty.channel.epoll.NativeDatagramPacketArray
>   - io.netty.channel.epoll.EpollSocketChannelConfig
>   - io.netty.channel.epoll.EpollTcpInfo
>   - io.netty.channel.epoll.EpollEventArray
>   - io.netty.channel.epoll.EpollEventLoop
>   - io.netty.channel.epoll.EpollSocketChannel
>   - 36 more...
> netty-transport-native-unix-common-4.1.45.Final.jar, 
> netty-transport-native-epoll-4.0.48.Final-linux-x86_64.jar define 15 
> overlapping classes: 
>   - io.netty.channel.unix.Errors$NativeConnectException
>   - io.netty.channel.unix.ServerDomainSocketChannel
>   - io.netty.channel.unix.DomainSocketAddress
>   - io.netty.channel.unix.Socket
>   - io.netty.channel.unix.NativeInetAddress
>   - io.netty.channel.unix.DomainSocketChannelConfig
>   - io.netty.channel.unix.Errors$NativeIoException
>   - io.netty.channel.unix.DomainSocketReadMode
>   - io.netty.channel.unix.ErrorsStaticallyReferencedJniMethods
>   - io.netty.channel.unix.UnixChannel
>   - 5 more...
> maven-shade-plugin has detected that some class files are
> present in two or more JARs. When this happens, only one
> single version of the class is copied to the uber jar.
> Usually this is not harmful and you can skip these warnings,
> otherwise try to manually exclude artifacts based on
> mvn dependency:tree -Ddetail=true and the above output.
> See http://maven.apache.org/plugins/maven-shade-plugin/
> {noformat}
> Additional warning build with Mapr profile:
> {noformat}
> The following patterns were never triggered in this artifact inclusion filter:
> o  'org.apache.zookeeper:zookeeper-jute'
> {noformat}
> NPEs in tests (though tests do not fail):
> {noformat}
> [INFO] Running org.apache.drill.exec.coord.zk.TestZookeeperClient
> 4880
> java.lang.NullPointerException
> 4881
>       at 
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.fastForwardFromEdits(FileTxnSnapLog.java:269)
> 4882
>       at 
> org.apache.zookeeper.server.ZKDatabase.fastForwardDataBase(ZKDatabase.java:251)
> 4883
>       at 
> org.apache.zookeeper.server.ZooKeeperServer.shutdown(ZooKeeperServer.java:583)
> 4884
>       at 
> org.apache.zookeeper.server.ZooKeeperServer.shutdown(ZooKeeperServer.java:546)
> 4885
>       at 
> org.apache.zookeeper.server.NIOServerCnxnFactory.shutdown(NIOServerCnxnFactory.java:
> {noformat}
> {noformat}
> [INFO] Running org.apache.drill.exec.coord.zk.TestEphemeralStore
> 5278
> java.lang.NullPointerException
> 5279
>       at 
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.fastForwardFromEdits(FileTxnSnapLog.java:269)
> 5280
>       at org.apache.zookeepe
> {noformat}
> {noformat}
> [INFO] Running org.apache.drill.yarn.zk.TestAmRegistration
> 6767
> java.lang.NullPointerException
> 6768
>       at 
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.fastForwardFromEdits(FileTxnSnapLog.java:269)
> 6769
>       at 
> org.apache.zookeeper.server.ZKDatabase.fastForwardDataBase(ZKDatabase.java:251)
> 6770
>       at 
> org.apache.zookeeper.server.ZooKeeperServer.shutdown(ZooKeeperServer.java:583)
> 6771
>       at 
> org.apache.zookeeper.server.ZooKeeperServer.shutdown(ZooKeeperServer.java:546)
> 6772
>       at 
> org.apache.zookeeper.server.NIOServerCnxnFactory.shutdown(NIOServerCnxnFactory.java:929)
> 6773
>       at org.apache.curator.t
> {noformat}
> {noformat}
> org.apache.drill.yarn.client.TestCommandLineOptions
> 6823
> java.lang.NullPointerException
> 6824
>       at 
> org.apache.zookeeper.server.persistence.FileTxnSnapLog.fastForwardFromEdits(FileTxnSnapLog.java:269)
> 6825
>       at 
> org.apache.zookeeper.server.ZKDatabase.fastForwardDataBase(ZKDatabase.java:251)
> 6826
>       at 
> org.apache.zookeeper.server.ZooKeeperServer.shutdown(ZooKeeperServer.java:583)
> 6827
>       at 
> org.apache.zookeeper.server.ZooKeeperServer.shutdown(ZooKeeperServer.java:546)
> 6828
>       at org.apac
> {noformat}



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