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From "Mukul Kumar Singh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12593) Ozone: update Ratis to the latest snapshot
Date Sat, 07 Oct 2017 16:02:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195772#comment-16195772
] 

Mukul Kumar Singh commented on HDFS-12593:
------------------------------------------

Thanks for the patch [~szetszwo], I tried running TestCorona locally and it fails with the
following stack trace.

{code}
2017-10-07 21:22:15,119 [BP-1749301638-192.168.43.157-1507391532467 heartbeating to localhost/127.0.0.1:56736]
WARN  impl.RaftServerImpl (JavaUtils.java:attempt(129)) - FAILED newRaftServer attempt #1/5:

java.lang.NullPointerException, sleep 500ms and then retry.
java.lang.NullPointerException
        at org.apache.ratis.server.impl.ServerState.<init>(ServerState.java:90)
        at org.apache.ratis.server.impl.RaftServerImpl.<init>(RaftServerImpl.java:103)
        at org.apache.ratis.server.impl.RaftServerProxy.initImpl(RaftServerProxy.java:69)
        at org.apache.ratis.server.impl.RaftServerProxy.<init>(RaftServerProxy.java:65)
        at org.apache.ratis.server.impl.ServerImplUtils.lambda$newRaftServer$0(ServerImplUtils.java:39)
        at org.apache.ratis.util.JavaUtils.attempt(JavaUtils.java:123)
        at org.apache.ratis.server.impl.ServerImplUtils.newRaftServer(ServerImplUtils.java:38)
        at org.apache.ratis.server.RaftServer$Builder.build(RaftServer.java:70)
        at org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.<init>(XceiverServerRatis.java:68)
        at org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.newXceiverServerRatis(XceiverServerRatis.java:132)
        at org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer.<init>(OzoneContainer.java:119)
        at org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.<init>(DatanodeStateMachine.java:77)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.bpRegistrationSucceeded(DataNode.java:1592)
        at org.apache.hadoop.hdfs.server.datanode.BPOfferService.registrationSucceeded(BPOfferService.java:409)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.register(BPServiceActor.java:783)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:286)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:816)
        at java.lang.Thread.run(Thread.java:745)
{code}

> Ozone: update Ratis to the latest snapshot
> ------------------------------------------
>
>                 Key: HDFS-12593
>                 URL: https://issues.apache.org/jira/browse/HDFS-12593
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>         Attachments: HDFS-12593-HDFS-7240.20171005.patch, HDFS-12593-HDFS-7240.20171006.patch
>
>
> Apache Ratis has quite a few bug fixes in the latest snapshot (7a5c3ea).  Let update
to it.



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