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https://issues.apache.org/jira/browse/HBASE-25371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17250974#comment-17250974
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Mohammad Arshad commented on HBASE-25371:
-----------------------------------------
{quote}java.io.IOException: The new max sequence id 1 is less than the old max
sequence id 7134
{quote}
This exception does not lead to any other problem. But this exception in logs
could be misleading it appears as if region was opening was failed because this
problem. It is better this exception can be avoided
> 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: Sanjeet Nishad
> Priority: Major
>
> 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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