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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12363) Possible NPE in BlockManager$StorageInfoDefragmenter#scanAndCompactStorages
Date Tue, 29 Aug 2017 01:45:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16144642#comment-16144642
] 

Hadoop QA commented on HDFS-12363:
----------------------------------

| (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 15s{color} | {color:blue}
Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 14m 10s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 57s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 40s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 58s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 49s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 47s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 58s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 55s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 55s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 39s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  0s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  1s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 58s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 43s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 96m 10s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 22s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}123m 47s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFS |
|   | hadoop.hdfs.TestClientProtocolForPipelineRecovery |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure050 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure110 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure140 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure190 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure210 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure070 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure170 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure020 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure090 |
|   | hadoop.hdfs.TestLeaseRecoveryStriped |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure200 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure120 |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure010 |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure030 |
| Timed out junit tests | org.apache.hadoop.hdfs.TestWriteReadStripedFile |
|   | org.apache.hadoop.hdfs.TestReadStripedFileWithDecoding |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-12363 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12884154/HDFS-12363.02.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux edd2b43f51ae 3.13.0-123-generic #172-Ubuntu SMP Mon Jun 26 18:04:35 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / a1e3f84 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC1 |
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/20903/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/20903/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/20903/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Possible NPE in BlockManager$StorageInfoDefragmenter#scanAndCompactStorages
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-12363
>                 URL: https://issues.apache.org/jira/browse/HDFS-12363
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.6.0
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>         Attachments: HDFS-12363.01.patch, HDFS-12363.02.patch
>
>
> Saw NN going down with NPE below:
> {noformat}
> ERROR org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: Thread received Runtime
exception.
> java.lang.NullPointerException
> at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$StorageInfoDefragmenter.scanAndCompactStorages(BlockManager.java:3897)
> at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$StorageInfoDefragmenter.run(BlockManager.java:3852)
> at java.lang.Thread.run(Thread.java:745)
> 2017-08-21 22:14:05,303 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
> 2017-08-21 22:14:05,313 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: 
> {noformat}
> In that version, {{BlockManager}} code is:
> {code}
> 3896  try {
> 3897           DatanodeStorageInfo storage = datanodeManager.
> 3898                 getDatanode(datanodesAndStorages.get(i)).
> 3899                getStorageInfo(datanodesAndStorages.get(i + 1));
> 3900            if (storage != null) {
> {code}



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