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https://issues.apache.org/jira/browse/HBASE-21069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16586641#comment-16586641
]
Hadoop QA commented on HBASE-21069:
-----------------------------------
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 6s{color}
| {color:red} HBASE-21069 does not apply to branch-1. Rebase required? Wrong
Branch? See https://yetus.apache.org/documentation/0.7.0/precommit-patchnames
for help. {color} |
\\
\\
|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-21069 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12936345/HBASE-21069-branch-1.patch
|
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/14099/console |
| Powered by | Apache Yetus 0.7.0 http://yetus.apache.org |
This message was automatically generated.
> NPE in StoreScanner.updateReaders causes RS to crash
> -----------------------------------------------------
>
> Key: HBASE-21069
> URL: https://issues.apache.org/jira/browse/HBASE-21069
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.3.2
> Reporter: Thomas D'Silva
> Assignee: Andrew Purtell
> Priority: Major
> Fix For: 1.5.0, 1.3.3, 1.4.7
>
> Attachments: HBASE-21069-branch-1.patch, HBASE-21069-branch-1.patch
>
>
> I see the following NPE in the region server log for a table that is taking
> heavy writes.
> I am not sure how the {{memStoreScanners}} variable gets set to null.
> {code}
> 2018-08-17 19:59:23,682 DEBUG [MemStoreFlusher.1]
> regionserver.HRegionFileSystem - Committing store file ...
> 2018-08-17 19:59:23,684 INFO [MemStoreFlusher.1] regionserver.HStore - Added
> hdfs://...., entries=919170, sequenceid=275114, filesize=22.6 M
> 2018-08-17 19:59:23,689 FATAL [MemStoreFlusher.1] regionserver.HRegionServer
> - ABORTING region server
> iotperf1dchbase1a-dnds22-2-prd.eng.sfdc.net,60020,1533915690501: Replay of
> WAL required. Forcing server shutdown
> org.apache.hadoop.hbase.DroppedSnapshotException: region: ......
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushCacheAndCommit(HRegion.java:2581)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2258)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2220)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:2106)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.flush(HRegion.java:2031)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:508)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:478)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.access$900(MemStoreFlusher.java:76)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher$FlushHandler.run(MemStoreFlusher.java:264)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException
> at java.util.ArrayList.<init>(ArrayList.java:177)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.updateReaders(StoreScanner.java:827)
> at
> org.apache.hadoop.hbase.regionserver.HStore.notifyChangedReadersObservers(HStore.java:1160)
> at
> org.apache.hadoop.hbase.regionserver.HStore.updateStorefiles(HStore.java:1133)
> at
> org.apache.hadoop.hbase.regionserver.HStore.access$900(HStore.java:120)
> at
> org.apache.hadoop.hbase.regionserver.HStore$StoreFlusherImpl.commit(HStore.java:2487)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushCacheAndCommit(HRegion.java:2536)
> ... 9 more
> 2018-08-17 19:59:23,692 FATAL [MemStoreFlusher.1] regionserver.HRegionServer
> - RegionServer abort: loaded coprocessors are:
> [org.apache.hadoop.hbase.security.access.AccessController,
> org.apache.phoenix.coprocessor.ScanRegionObserver,
> org.apache.phoenix.coprocessor.UngroupedAggregateRegionObserver,
> org.apache.phoenix.hbase.index.Indexer,
> org.apache.phoenix.coprocessor.GroupedAggregateRegionObserver,
> org.apache.hadoop.hbase.security.token.TokenProvider,
> org.apache.phoenix.coprocessor.ServerCachingEndpointImpl]
> {code}
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