[ 
https://issues.apache.org/jira/browse/HADOOP-12423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14847344#comment-14847344
 ] 

Hadoop QA commented on HADOOP-12423:
------------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 11s | Pre-patch trunk compilation is 
healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:red}-1{color} | tests included |   0m  0s | 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:green}+1{color} | javac |   7m 46s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |  10m  7s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 24s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   1m  5s | The applied patch generated  1 
new checkstyle issues (total was 7, now 7). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 29s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   1m 58s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:red}-1{color} | common tests |  22m 45s | Tests failed in 
hadoop-common. |
| | |  63m 22s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.ipc.TestRPC |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12758382/HADOOP-12423.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 92c1af1 |
| checkstyle |  
https://builds.apache.org/job/PreCommit-HADOOP-Build/7674/artifact/patchprocess/diffcheckstylehadoop-common.txt
 |
| hadoop-common test log | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/7674/artifact/patchprocess/testrun_hadoop-common.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/7674/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/7674/console |


This message was automatically generated.

> ShutdownHookManager throws exception if JVM is already being shut down
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-12423
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12423
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>            Reporter: Abhishek Agarwal
>            Assignee: Abhishek Agarwal
>            Priority: Minor
>         Attachments: HADOOP-12423.patch
>
>
> If JVM is under shutdown, static method in ShutdownHookManager will throw an 
> IllegalStateException. This exception should be caught and ignored while 
> registering the hooks. 
> Stack trace: 
> {noformat}
> java.lang.NoClassDefFoundError: Could not initialize class 
> org.apache.hadoop.util.ShutdownHookManager
>        at 
> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2639) 
> ~[stormjar.jar:1.4.0-SNAPSHOT]
>        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2612) 
> ~[stormjar.jar:1.4.0-SNAPSHOT]
>        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:370) 
> ~[stormjar.jar:1.4.0-SNAPSHOT]
>        ...
>        ...
>        at 
> backtype.storm.daemon.executor$fn__6647$fn__6659.invoke(executor.clj:692) 
> ~[storm-core-0.9.5.jar:0.9.5]
>        at backtype.storm.util$async_loop$fn__459.invoke(util.clj:461) 
> ~[storm-core-0.9.5.jar:0.9.5]
>        at clojure.lang.AFn.run(AFn.java:24) [clojure-1.5.1.jar:na]
>        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60]
> {noformat}



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