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https://issues.apache.org/jira/browse/HADOOP-14791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16134334#comment-16134334
 ] 

Hadoop QA commented on HADOOP-14791:
------------------------------------

| (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 
16s{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 
 6s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m 
10s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
17s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
20s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
24s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
18s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 10m 
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 10m 
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
20s{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 
34s{color} | {color:red} hadoop-common-project/hadoop-minikdc generated 1 new + 
0 unchanged - 0 fixed = 1 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
18s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
27s{color} | {color:green} hadoop-minikdc in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
28s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 44m 55s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-common-project/hadoop-minikdc |
|  |  Exceptional return value of java.io.File.delete() ignored in 
org.apache.hadoop.minikdc.MiniKdc.main(String[])  At MiniKdc.java:ignored in 
org.apache.hadoop.minikdc.MiniKdc.main(String[])  At MiniKdc.java:[line 113] |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | HADOOP-14791 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12882765/HADOOP-14791.001.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 218329f252c3 3.13.0-117-generic #164-Ubuntu SMP Fri Apr 7 
11:05:26 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 436c263 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC1 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13075/artifact/patchprocess/new-findbugs-hadoop-common-project_hadoop-minikdc.html
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13075/testReport/ |
| modules | C: hadoop-common-project/hadoop-minikdc U: 
hadoop-common-project/hadoop-minikdc |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13075/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> SimpleKdcServer: Fail to delete krb5 conf
> -----------------------------------------
>
>                 Key: HADOOP-14791
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14791
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: minikdc
>    Affects Versions: 3.0.0-beta1
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>            Priority: Minor
>         Attachments: HADOOP-14791.001.patch
>
>
> Run MiniKdc in a terminal and then press Ctrl-C:
> {noformat}
> Do <CTRL-C> or kill <PID> to stop it
> ---------------------------------------------------
> ^C2017-08-19 22:52:23,607 INFO impl.DefaultInternalKdcServerImpl: Default 
> Internal kdc server stopped.
> 2017-08-19 22:53:21,358 INFO server.SimpleKdcServer: Fail to delete krb5 
> conf. java.io.IOException
> 2017-08-19 22:53:22,363 INFO minikdc.MiniKdc: MiniKdc stopped.
> {noformat}
> The reason for "Fail to delete krb5 conf" is because MiniKdc renames 
> SimpleKdcServer's krb5 conf file. During shutdown, SimpleKdcServer attempts 
> to delete its krb5 conf file, and can not find it.



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