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https://issues.apache.org/jira/browse/HBASE-28742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17869130#comment-17869130
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Hudson commented on HBASE-28742:
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Results for branch branch-2.5
[build #578 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/578/]:
(/) *{color:green}+1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/578/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/578/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
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(/) {color:green}+1 jdk11 hadoop3 checks{color}
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(/) {color:green}+1 jdk17 hadoop3 checks{color}
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> CompactionTool fails with NPE when mslab is enabled
> ---------------------------------------------------
>
> Key: HBASE-28742
> URL: https://issues.apache.org/jira/browse/HBASE-28742
> Project: HBase
> Issue Type: Bug
> Components: Compaction
> Affects Versions: 2.6.0, 3.0.0-beta-1, 2.5.9
> Reporter: Vineet Kumar Maheshwari
> Assignee: Vineet Kumar Maheshwari
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.7.0, 3.0.0-beta-2, 2.6.1, 2.5.11
>
>
> While using the CompactionTool, NPE is observed.
> *Command:*
> {code:java}
> hbase org.apache.hadoop.hbase.regionserver.CompactionTool -major
> <table-path>{code}
> *Exception Details:*
> {code:java}
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.recycleChunks(MemStoreLABImpl.java:296)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.lambda$new$0(MemStoreLABImpl.java:109)
> at org.apache.hadoop.hbase.nio.RefCnt.deallocate(RefCnt.java:95)
> at
> org.apache.hbase.thirdparty.io.netty.util.AbstractReferenceCounted.handleRelease(AbstractReferenceCounted.java:86)
> at
> org.apache.hbase.thirdparty.io.netty.util.AbstractReferenceCounted.release(AbstractReferenceCounted.java:76)
> at org.apache.hadoop.hbase.nio.RefCnt.release(RefCnt.java:84)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreLABImpl.close(MemStoreLABImpl.java:269)
> at
> org.apache.hadoop.hbase.regionserver.Segment.close(Segment.java:143)
> at
> org.apache.hadoop.hbase.regionserver.AbstractMemStore.close(AbstractMemStore.java:381)
> at
> org.apache.hadoop.hbase.regionserver.HStore.closeWithoutLock(HStore.java:723)
> at org.apache.hadoop.hbase.regionserver.HStore.close(HStore.java:795)
> at
> org.apache.hadoop.hbase.regionserver.CompactionTool$CompactionWorker.compactStoreFiles(CompactionTool.java:171)
> at
> org.apache.hadoop.hbase.regionserver.CompactionTool$CompactionWorker.compactRegion(CompactionTool.java:137)
> at
> org.apache.hadoop.hbase.regionserver.CompactionTool$CompactionWorker.compactTable(CompactionTool.java:129)
> at
> org.apache.hadoop.hbase.regionserver.CompactionTool$CompactionWorker.compact(CompactionTool.java:118)
> at
> org.apache.hadoop.hbase.regionserver.CompactionTool.doClient(CompactionTool.java:374)
> at
> org.apache.hadoop.hbase.regionserver.CompactionTool.run(CompactionTool.java:424)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at
> org.apache.hadoop.hbase.regionserver.CompactionTool.main(CompactionTool.java:460){code}
> *Fix Suggestions:*
> Initialize the ChunkCreator in CompactionTool when
> hbase.hregion.memstore.mslab.enabled is enabled.
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