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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12364) Deleting pid file after stop is causing the daemons to keep restarting
Date Thu, 08 Oct 2015 22:36:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14949532#comment-14949532
] 

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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