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https://issues.apache.org/jira/browse/HBASE-22705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16892422#comment-16892422
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Pankaj Kumar commented on HBASE-22705:
--------------------------------------
Thanks [~vrodionov]...
> IllegalArgumentException exception occured during MobFileCache eviction
> -----------------------------------------------------------------------
>
> Key: HBASE-22705
> URL: https://issues.apache.org/jira/browse/HBASE-22705
> Project: HBase
> Issue Type: Bug
> Components: mob
> Affects Versions: 2.0.5
> Reporter: Pankaj Kumar
> Assignee: Pankaj Kumar
> Priority: Critical
> Fix For: 2.3.0
>
> Attachments: HBASE-22705.branch-2.patch
>
>
> IllegalArgumentException occured during scan operation,
> {noformat}
> 2019-07-08 01:46:57,764 | ERROR |
> RpcServer.FifoWFPBQ.default.handler=129,queue=9,port=21302 | Unexpected
> throwable object |
> org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2502)
> java.lang.IllegalArgumentException: Comparison method violates its general
> contract!
> at java.util.ComparableTimSort.mergeHi(ComparableTimSort.java:866)
> at java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:483)
> at
> java.util.ComparableTimSort.mergeForceCollapse(ComparableTimSort.java:422)
> at java.util.ComparableTimSort.sort(ComparableTimSort.java:222)
> at java.util.Arrays.sort(Arrays.java:1312)
> at java.util.Arrays.sort(Arrays.java:1506)
> at java.util.ArrayList.sort(ArrayList.java:1462)
> at java.util.Collections.sort(Collections.java:141)
> at org.apache.hadoop.hbase.mob.MobFileCache.evict(MobFileCache.java:144)
> at
> org.apache.hadoop.hbase.mob.MobFileCache.openFile(MobFileCache.java:214)
> at
> org.apache.hadoop.hbase.regionserver.HMobStore.readCell(HMobStore.java:397)
> at
> org.apache.hadoop.hbase.regionserver.HMobStore.resolve(HMobStore.java:358)
> at
> org.apache.hadoop.hbase.regionserver.MobStoreScanner.next(MobStoreScanner.java:74)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:150)
> {noformat}
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