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From "Michael Stack (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-25371) When openRegion fails during initial verification(before initializing and setting seq num), exception is observed during region close.
Date Mon, 21 Dec 2020 16:17:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-25371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Stack resolved HBASE-25371.
-----------------------------------
    Fix Version/s: 2.4.1
                   2.5.0
                   2.3.4
                   2.2.7
                   3.0.0-alpha-1
     Hadoop Flags: Reviewed
       Resolution: Fixed

Merged to branch-2+

> When openRegion fails during initial verification(before initializing and setting seq
num), exception is observed during region close.
> --------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-25371
>                 URL: https://issues.apache.org/jira/browse/HBASE-25371
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment
>    Affects Versions: 2.2.3
>            Reporter: Ajeet Rai
>            Assignee: Mohammad Arshad
>            Priority: Major
>             Fix For: 3.0.0-alpha-1, 2.2.7, 2.3.4, 2.5.0, 2.4.1
>
>
> When openRegion fails during initial verification(before initializing and setting seq
num), exception is observed during region close:
>  
> 2020-12-03 16:34:47,133 ERROR [RS_OPEN_REGION-regionserver/AAAAAAAAAA:16040-0] handler.OpenRegionHandler:
Failed open of region=ns2:testtable4,00000000000000000000150000,1606912406234.cd386135276b7d3c57416df3666e4aea.2020-12-03
16:34:47,133 ERROR [RS_OPEN_REGION-regionserver/blrphispra01054:16040-0] handler.OpenRegionHandler:
Failed open of region=ns2:testtable4,00000000000000000000150000,1606912406234.cd386135276b7d3c57416df3666e4aea.java.io.IOException:
The new max sequence id 1 is less than the old max sequence id 7134 at org.apache.hadoop.hbase.wal.WALSplitUtil.writeRegionSequenceIdFile(WALSplitUtil.java:418)
at org.apache.hadoop.hbase.regionserver.HRegion.writeRegionCloseMarker(HRegion.java:1253)
at org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1793) at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1606)
at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1552) at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7522)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7467) at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7439)
at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7397) at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:7348)
at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:286)
at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:111)
at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)
>  



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