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https://issues.apache.org/jira/browse/HADOOP-12056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14575030#comment-14575030
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Hadoop QA commented on HADOOP-12056:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 16m 20s | 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 34s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 9m 40s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 22s | The applied patch does
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle | 1m 8s | 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 35s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 33s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 1m 50s | The patch does not introduce
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | common tests | 22m 33s | Tests passed in
hadoop-common. |
| | | 61m 38s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12737995/HADOOP-12056.003.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 7588585 |
| hadoop-common test log |
https://builds.apache.org/job/PreCommit-HADOOP-Build/6930/artifact/patchprocess/testrun_hadoop-common.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/6930/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf901.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-HADOOP-Build/6930/console |
This message was automatically generated.
> DiskChecker#checkDirs should check null pointer for the return value from
> File#listFiles to avoid NPE.
> ------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-12056
> URL: https://issues.apache.org/jira/browse/HADOOP-12056
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 2.7.0
> Reporter: zhihai xu
> Assignee: zhihai xu
> Attachments: HADOOP-12056.000.patch, HADOOP-12056.001.patch,
> HADOOP-12056.002.patch, HADOOP-12056.003.patch
>
>
> DiskChecker#checkDirs should check null pointer for the return value from
> File#listFiles. Based on the document for File#listFiles at
> https://docs.oracle.com/javase/7/docs/api/java/io/File.html#listFiles() :
> {code}
> Returns null if an I/O error occurs.
> {code}
> So it will be good to check null pointer and throw DiskErrorException if it
> is null.
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