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https://issues.apache.org/jira/browse/HBASE-16737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15552127#comment-15552127
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Hadoop QA commented on HBASE-16737:
-----------------------------------
| (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 14s
{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s
{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s
{color} | {color:red} The patch doesn't appear to include any new or modified
tests. Please justify why no new tests are needed for this patch. Also please
list what manual steps were performed to verify this patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m
7s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 39s
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
46s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
14s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
56s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 30s
{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
55s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 42s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 42s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
47s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
16s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}
27m 56s {color} | {color:green} Patch does not cause any errors with Hadoop
2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} hbaseprotoc {color} | {color:green} 0m
12s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
53s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 26s
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 92m 59s {color}
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
13s {color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 134m 4s {color}
| {color:black} {color} |
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|| Reason || Tests ||
| Timed out junit tests | org.apache.hadoop.hbase.client.TestFromClientSide |
| |
org.apache.hadoop.hbase.client.TestRestoreSnapshotFromClientWithRegionReplicas |
| | org.apache.hadoop.hbase.client.TestMobCloneSnapshotFromClient |
| | org.apache.hadoop.hbase.client.TestHTableMultiplexer |
| | org.apache.hadoop.hbase.client.TestMobSnapshotCloneIndependence |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:7bda515 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12831948/0001-HBASE-16737-Fix-NPE.patch
|
| JIRA Issue | HBASE-16737 |
| Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck
hbaseanti checkstyle compile |
| uname | Linux c01029d2754c 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28
20:42:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | master / 912ed17 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| unit |
https://builds.apache.org/job/PreCommit-HBASE-Build/3857/artifact/patchprocess/patch-unit-hbase-server.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-HBASE-Build/3857/artifact/patchprocess/patch-unit-hbase-server.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/3857/testReport/ |
| modules | C: hbase-server U: hbase-server |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/3857/console |
| Powered by | Apache Yetus 0.3.0 http://yetus.apache.org |
This message was automatically generated.
> NPE during close of RegionScanner
> ---------------------------------
>
> Key: HBASE-16737
> URL: https://issues.apache.org/jira/browse/HBASE-16737
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.0.3
> Reporter: Mark Christiaens
> Attachments: 0001-HBASE-16737-Fix-NPE.patch
>
>
> We encountered the following stack trace during high load:
> {noformat}
> Unexpected throwable object
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.CellComparator.compareRows(CellComparator.java:186)
> at
> org.apache.hadoop.hbase.CellComparator.compare(CellComparator.java:63)
> at
> org.apache.hadoop.hbase.KeyValue$KVComparator.compare(KeyValue.java:2021)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:202)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:178)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:168)
> at
> java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:719)
> at java.util.PriorityQueue.siftDown(PriorityQueue.java:687)
> at java.util.PriorityQueue.poll(PriorityQueue.java:595)
> at
> org.apache.hadoop.hbase.regionserver.KeyValueHeap.close(KeyValueHeap.java:218)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.close(HRegion.java:5608)
> at
> org.apache.phoenix.coprocessor.BaseScannerRegionObserver$2.close(BaseScannerRegionObserver.java:279)
> at
> org.apache.phoenix.coprocessor.BaseScannerRegionObserver$1.close(BaseScannerRegionObserver.java:186)
> at
> org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:2378)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32205)
> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2034)
> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:107)
> at
> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130)
> at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> What I suspect is happening is that the {{RegionScannerImpl}} is being closed
> while the scanner's lease is expired. During this close, the underlying
> {{KeyValueHeap}} is being polled. the {{heap}} tries to read data from
> {{KeyValueScanners}} that then return {{null}} which causes the crash.
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