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Posted to issues@ratis.apache.org by "Tsz-wo Sze (Jira)" <ji...@apache.org> on 2019/11/07 22:10:00 UTC
[jira] [Commented] (RATIS-746) GrpcLogAppender throws
IllegalArgumentException
[ https://issues.apache.org/jira/browse/RATIS-746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969594#comment-16969594 ]
Tsz-wo Sze commented on RATIS-746:
----------------------------------
From the stack trace, the IllegalArgumentException was thrown by XceiverServerRatis but not GrpcLogAppender.
> GrpcLogAppender throws IllegalArgumentException
> -----------------------------------------------
>
> Key: RATIS-746
> URL: https://issues.apache.org/jira/browse/RATIS-746
> Project: Ratis
> Issue Type: Bug
> Components: server
> Affects Versions: 0.5.0
> Reporter: Shashikant Banerjee
> Priority: Major
>
> {code:java}
> 2019-11-07 02:47:11,452 ERROR org.apache.ratis.server.impl.LogAppender: 61d2e0e1-f3b5-48a9-84f3-0dbef92cb5c7@group-CD36ED82D2AF->6bad43d0-7eb0-43c3-a3ae-218c7a536676-GrpcLogAppender-AppenderDaemon unexpected exception
> java.lang.IllegalStateException: node61d2e0e1-f3b5-48a9-84f3-0dbef92cb5c7 is in illegal role FOLLOWER
> at org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.handlePipelineFailure(XceiverServerRatis.java:557)
> at org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.handleNodeSlowness(XceiverServerRatis.java:621)
> at org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.notifySlowness(ContainerStateMachine.java:830)
> at org.apache.ratis.server.impl.LogAppender.checkSlowness(LogAppender.java:528)
> at org.apache.ratis.grpc.server.GrpcLogAppender.runAppenderImpl(GrpcLogAppender.java:122)
> at org.apache.ratis.server.impl.LogAppender$AppenderDaemon.run(LogAppender.java:76)
> at java.lang.Thread.run(Thread.java:748)
> {code}
> This happens right after a leader election where the leader transitions from leader to follower while LogAppender keeps on running and does a slowness check for a follower and see one as slow and try to close the ozone ratis pipeline which assumes that the logAppender instance should be a leader and throws an exception.
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