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https://issues.apache.org/jira/browse/YARN-3793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14606648#comment-14606648
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Hadoop QA commented on YARN-3793:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 16m 12s | Pre-patch trunk compilation is
healthy. |
| {color:green}+1{color} | @author | 0m 0s | The patch does not contain any
@author tags. |
| {color:green}+1{color} | tests included | 0m 0s | The patch appears to
include 1 new or modified test files. |
| {color:green}+1{color} | javac | 7m 37s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 9m 52s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 23s | The applied patch does
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle | 0m 37s | There were no new checkstyle
issues. |
| {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 1m 34s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 31s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 1m 14s | The patch does not introduce
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests | 6m 17s | Tests passed in
hadoop-yarn-server-nodemanager. |
| | | 44m 21s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12742618/YARN-3793.02.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 8e33372 |
| hadoop-yarn-server-nodemanager test log |
https://builds.apache.org/job/PreCommit-YARN-Build/8379/artifact/patchprocess/testrun_hadoop-yarn-server-nodemanager.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-YARN-Build/8379/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP
PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/8379/console |
This message was automatically generated.
> Several NPEs when deleting local files on NM recovery
> -----------------------------------------------------
>
> Key: YARN-3793
> URL: https://issues.apache.org/jira/browse/YARN-3793
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.6.0
> Reporter: Karthik Kambatla
> Assignee: Varun Saxena
> Attachments: YARN-3793.01.patch, YARN-3793.02.patch
>
>
> When NM work-preserving restart is enabled, we see several NPEs on recovery.
> These seem to correspond to sub-directories that need to be deleted. I wonder
> if null pointers here mean incorrect tracking of these resources and a
> potential leak. This JIRA is to investigate and fix anything required.
> Logs show:
> {noformat}
> 2015-05-18 07:06:10,225 INFO
> org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor: Deleting
> absolute path : null
> 2015-05-18 07:06:10,224 ERROR
> org.apache.hadoop.yarn.server.nodemanager.DeletionService: Exception during
> execution of task in DeletionService
> java.lang.NullPointerException
> at
> org.apache.hadoop.fs.FileContext.fixRelativePart(FileContext.java:274)
> at org.apache.hadoop.fs.FileContext.delete(FileContext.java:755)
> at
> org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.deleteAsUser(DefaultContainerExecutor.java:458)
> at
> org.apache.hadoop.yarn.server.nodemanager.DeletionService$FileDeletionTask.run(DeletionService.java:293)
> {noformat}
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