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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11078) NPE in LazyPersistFileScrubber
Date Tue, 23 May 2017 01:45:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020551#comment-16020551
] 

Hadoop QA commented on HDFS-11078:
----------------------------------

| (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 53s{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} 15m 51s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  1s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 47s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 28s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 19s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m  6s{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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m  8s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  8s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  8s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 45s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 11s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 15s{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} findbugs {color} | {color:green}  2m  6s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 52s{color} |
{color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}102m 31s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 26s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}135m 19s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.balancer.TestBalancer |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestSpaceReservation |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure160 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure080 |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure150 |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HDFS-11078 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12836383/HDFS-11078.001.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 186f06bf25a1 3.13.0-108-generic #155-Ubuntu SMP Wed Jan 11 16:58:52 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 8e0f83e |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/19548/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/19548/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/19548/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> NPE in LazyPersistFileScrubber
> ------------------------------
>
>                 Key: HDFS-11078
>                 URL: https://issues.apache.org/jira/browse/HDFS-11078
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Inigo Goiri
>            Assignee: Inigo Goiri
>         Attachments: HDFS-11078.000.patch, HDFS-11078.001.patch, HDFS-11078-branch-2.7.patch
>
>
> If a block is removed, it will be removed from the block map. When the clearCorruptLazyPersistFiles()
tries to delete the block, it may already be deleted and generate a null pointer exception.
> java.lang.NullPointerException
>                 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$LazyPersistFileScrubber.clearCorruptLazyPersistFiles(FSNamesystem.java:3820)
>                 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem$LazyPersistFileScrubber.run(FSNamesystem.java:3851)
>                 at java.lang.Thread.run(Thread.java:745)



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