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https://issues.apache.org/jira/browse/HBASE-21840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16760311#comment-16760311
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Hudson commented on HBASE-21840:
--------------------------------
Results for branch branch-2
[build #1660 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/1660/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/1660//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/1660//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/1660//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> TestHRegionWithInMemoryFlush fails with NPE
> -------------------------------------------
>
> Key: HBASE-21840
> URL: https://issues.apache.org/jira/browse/HBASE-21840
> Project: HBase
> Issue Type: Bug
> Components: test
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Blocker
> Fix For: 3.0.0, 2.2.0, 2.1.3, 2.0.5, 2.3.0
>
> Attachments: HBASE-21840.patch
>
>
> Found this one when testing 2.1.3.
> {noformat}
> Exception in thread "PutThread" java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.regionserver.CompactingMemStore.checkActiveSize(CompactingMemStore.java:392)
> at
> org.apache.hadoop.hbase.regionserver.AbstractMemStore.internalAdd(AbstractMemStore.java:307)
> at
> org.apache.hadoop.hbase.regionserver.AbstractMemStore.add(AbstractMemStore.java:132)
> at
> org.apache.hadoop.hbase.regionserver.AbstractMemStore.add(AbstractMemStore.java:112)
> at org.apache.hadoop.hbase.regionserver.HStore.add(HStore.java:750)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.applyToMemStore(HRegion.java:4420)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.access$500(HRegion.java:226)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$BatchOperation.applyFamilyMapToMemStore(HRegion.java:3479)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$BatchOperation.lambda$writeMiniBatchOperationsToMemStore$0(HRegion.java:3170)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$BatchOperation.visitBatchOperations(HRegion.java:3103)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$BatchOperation.writeMiniBatchOperationsToMemStore(HRegion.java:3162)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$MutationBatchOperation.writeMiniBatchOperationsToMemStore(HRegion.java:3644)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutate(HRegion.java:4058)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3991)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3922)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3913)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:3927)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.doBatchMutate(HRegion.java:4254)
> at org.apache.hadoop.hbase.regionserver.HRegion.put(HRegion.java:3046)
> {noformat}
> And later the test is stuck, since the MVCC can not be advanced any more.
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