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Posted to issues@ratis.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2019/05/16 21:08:00 UTC
[jira] [Updated] (RATIS-542) When a server restarts, purge(-1)
causes IllegalStateException
[ https://issues.apache.org/jira/browse/RATIS-542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo Nicholas Sze updated RATIS-542:
--------------------------------------
Summary: When a server restarts, purge(-1) causes IllegalStateException (was: IllegalStateException on RaftServer restart)
(Revised summary)
> When a server restarts, purge(-1) causes IllegalStateException
> --------------------------------------------------------------
>
> Key: RATIS-542
> URL: https://issues.apache.org/jira/browse/RATIS-542
> Project: Ratis
> Issue Type: Bug
> Components: server
> Reporter: Lokesh Jain
> Assignee: Tsz Wo Nicholas Sze
> Priority: Major
> Attachments: r542_20190509.patch, r542_20190510.patch, r542_20190513.patch, r542_20190514.patch, r542_20190515.patch, r542_20190515b.patch, r542_20190516.patch
>
>
> IllegalStateException stating "Unexpected gap in segments: binarySearch(-1) returns -1, segments=[log-0_0]" when ozone datanode is restarted.
> {code:java}
> 2019-05-05 06:26:47,217 INFO org.apache.ratis.server.impl.RaftServerProxy: bf6fd9c4-100a-4035-98db-abe8e0a25fb9: remove LEADER group-AC345A757F02 bf6fd9c4-100a-4035-98db-abe8e0a25fb9:t2, leader=bf6fd9c4-100a-4035-98db-abe8e0a25fb9, voted=bf6fd9c4-100a-4035-98db-abe8e0a25fb9, raftlog=bf6fd9c4-100a-4035-98db-abe8e0a25fb9-SegmentedRaftLog:OPENED:c2,f2,i2, conf=1: [bf6fd9c4-100a-4035-98db-abe8e0a25fb9:172.27.76.77:9858], old=null RUNNING
> 2019-05-05 06:26:47,230 INFO org.apache.ratis.server.impl.RaftServerImpl: bf6fd9c4-100a-4035-98db-abe8e0a25fb9: shutdown group-AC345A757F02
> 2019-05-05 06:26:47,230 INFO org.apache.ratis.util.JmxRegister: Successfully un-registered JMX Bean with object name Ratis:service=RaftServer,group=group-AC345A757F02,id=bf6fd9c4-100a-4035-98db-abe8e0a25fb9
> 2019-05-05 06:26:47,231 INFO org.apache.ratis.server.impl.RoleInfo: bf6fd9c4-100a-4035-98db-abe8e0a25fb9: shutdown LeaderState
> 2019-05-05 06:26:47,231 INFO org.apache.ratis.server.impl.PendingRequests: bf6fd9c4-100a-4035-98db-abe8e0a25fb9-PendingRequests: sendNotLeaderResponses
> 2019-05-05 06:26:47,236 INFO org.apache.ratis.server.impl.StateMachineUpdater: StateMachineUpdater-bf6fd9c4-100a-4035-98db-abe8e0a25fb9-group-AC345A757F02: set stopIndex = 2
> 2019-05-05 06:26:47,239 ERROR org.apache.ratis.server.impl.StateMachineUpdater: Terminating with exit status 2: StateMachineUpdater-bf6fd9c4-100a-4035-98db-abe8e0a25fb9-group-AC345A757F02: the StateMachineUpdater hits Throwable
> java.lang.IllegalStateException: Unexpected gap in segments: binarySearch(-1) returns -1, segments=[log-0_0]
> at org.apache.ratis.server.storage.RaftLogCache$LogSegmentList.purge(RaftLogCache.java:259)
> at org.apache.ratis.server.storage.RaftLogCache.purge(RaftLogCache.java:461)
> at org.apache.ratis.server.storage.SegmentedRaftLog.purgeImpl(SegmentedRaftLog.java:273)
> at org.apache.ratis.server.storage.RaftLog.purge(RaftLog.java:325)
> at org.apache.ratis.server.impl.StateMachineUpdater.run(StateMachineUpdater.java:187)
> at java.lang.Thread.run(Thread.java:748)
> 2019-05-05 06:26:47,249 WARN org.apache.hadoop.fs.CachingGetSpaceUsed: Thread Interrupted waiting to refresh disk information: sleep interrupted
> {code}
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