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https://issues.apache.org/jira/browse/HADOOP-12364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14949532#comment-14949532
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Hadoop QA commented on HADOOP-12364:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |   5m 36s | 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 2 new or modified test files. |
| {color:green}+1{color} | javac |   7m 56s | There were no new javac warning 
messages. |
| {color:red}-1{color} | release audit |   0m 17s | The applied patch generated 
1 release audit warnings. |
| {color:red}-1{color} | shellcheck |   0m  5s | The applied patch generated  
14 new shellcheck (v0.3.3) issues (total was 20, now 34). |
| {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:red}-1{color} | common tests |   7m 51s | Tests failed in 
hadoop-common. |
| | |  23m 56s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.ipc.TestDecayRpcScheduler |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12765690/HADOOP-12364.v4.patch |
| Optional Tests | shellcheck javac unit |
| git revision | trunk / 118a35b |
| Release Audit | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/7784/artifact/patchprocess/patchReleaseAuditProblems.txt
 |
| shellcheck | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/7784/artifact/patchprocess/diffpatchshellcheck.txt
 |
| hadoop-common test log | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/7784/artifact/patchprocess/testrun_hadoop-common.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/7784/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf903.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/7784/console |


This message was automatically generated.

> Deleting pid file after stop is causing the daemons to keep restarting 
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-12364
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12364
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Siqi Li
>            Assignee: Siqi Li
>            Priority: Minor
>         Attachments: HADOOP-12364.v1.patch, HADOOP-12364.v2.patch, 
> HADOOP-12364.v3.patch, HADOOP-12364.v4.patch
>
>
> pid files are deleting in 5 seconds after we stop the daemons. If a start 
> command were executed within the 5 seconds, the pid file will be overwrite 
> with a new pid. However, this pid file is going to be deleted by the former 
> stop command. This is causing the monitoring service to lose track of the 
> daemons, hence keep rebooting them



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