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https://issues.apache.org/jira/browse/HDFS-8422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15713343#comment-15713343
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Hadoop QA commented on HDFS-8422:
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| (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 
13s{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:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 
 1s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
53s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
29s{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} mvneclipse {color} | {color:green}  0m 
14s{color} | {color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
51s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs in trunk has 1 extant 
Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
44s{color} | {color:green} trunk passed {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
47s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
48s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 48s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 24s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 1 new + 2 unchanged - 0 fixed = 3 total (was 2) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
46s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
11s{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:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
17s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
37s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 48s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
17s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 19m 40s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | HDFS-8422 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12733633/HDFS-8422.002.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 11092f39987b 3.13.0-93-generic #140-Ubuntu SMP Mon Jul 18 
21:21:05 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 19f373a |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html
 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/artifact/patchprocess/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/artifact/patchprocess/patch-compile-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/artifact/patchprocess/patch-compile-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/artifact/patchprocess/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/artifact/patchprocess/patch-findbugs-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17734/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Recursive mkdir removes sticky bit when adding implicit u+wx to intermediate 
> directories
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-8422
>                 URL: https://issues.apache.org/jira/browse/HDFS-8422
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.7.0
>            Reporter: Jake Low
>            Assignee: Jake Low
>            Priority: Minor
>         Attachments: HDFS-8422.001.patch, HDFS-8422.002.patch
>
>
> When performing a recursive {{mkdirs}} operation, the NameNode takes the 
> provided {{FsPermission}} and applies it to the final directory that is 
> created. The NameNode also uses these permissions when creating intermediate 
> directories, except it promotes with {{u+wx}} (i.e. {{mode |= 0300}}) in 
> order to ensure that there are sufficient permissions on the new directory to 
> create further subdirectories within it.
> Currently the code that does this permission promotion uses the 
> three-argument {{FsPermission}} constructor, which sets the sticky bit to 
> {{false}}. I think this is probably not the intended behaviour, so I'm 
> opening a bug. I'll attach a patch shortly that changes the behaviour so that 
> the sticky bit is always retained.



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