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https://issues.apache.org/jira/browse/HBASE-29797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18048539#comment-18048539
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Duo Zhang commented on HBASE-29797:
-----------------------------------
At least the code has been there for more than 15 years, we can even link to a
HADOOP issue...
https://github.com/apache/hbase/commit/948d0cdec4fb35d70404b9b6e27743616400656d#diff-50f9453bab32da9b3ebd80755f67d7a705342a13732fb0131eed808ccefdc54fR133
So it was there in the first place and we never changed it in the past... I
think we should remove the creation of WAL directory in AbstractFSWAL
> RegionServer aborted because of invalid max sequence id
> -------------------------------------------------------
>
> Key: HBASE-29797
> URL: https://issues.apache.org/jira/browse/HBASE-29797
> Project: HBase
> Issue Type: Bug
> Components: Region Assignment
> Reporter: Duo Zhang
> Priority: Blocker
>
> {noformat}
> 2025-12-29T11:03:32,429 WARN [RS_CLOSE_REGION-regionserver/data02:16020-0]
> handler.UnassignRegionHandler: Fatal error occurred while closing region
> 8d60369be1061570a2f6e47a1af7a797, aborting...
> java.io.IOException: The new max sequence id 1212630 is less than the old max
> sequence id 1212631
> at
> org.apache.hadoop.hbase.wal.WALSplitUtil.writeRegionSequenceIdFile(WALSplitUtil.java:402)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.writeRegionCloseMarker(HRegion.java:1290)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1950)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1675)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1630)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1613)
> at
> org.apache.hadoop.hbase.regionserver.handler.UnassignRegionHandler.process(UnassignRegionHandler.java:139)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> at java.base/java.lang.Thread.run(Thread.java:840)
> 2025-12-29T11:03:32,433 ERROR [RS_CLOSE_REGION-regionserver/data02:16020-0]
> regionserver.HRegionServer: ***** ABORTING region server
> data02,16020,1766977119966: Failed to close region
> 8d60369be1061570a2f6e47a1af7a797 and can not recover *****
> java.io.IOException: The new max sequence id 1212630 is less than the old max
> sequence id 1212631
> at
> org.apache.hadoop.hbase.wal.WALSplitUtil.writeRegionSequenceIdFile(WALSplitUtil.java:402)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.writeRegionCloseMarker(HRegion.java:1290)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1950)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1675)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1630)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1613)
> at
> org.apache.hadoop.hbase.regionserver.handler.UnassignRegionHandler.process(UnassignRegionHandler.java:139)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> at java.base/java.lang.Thread.run(Thread.java:840)
> {noformat}
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