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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3664) BlockManager race when stopping active services
Date Wed, 12 Sep 2012 02:42:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13453656#comment-13453656
] 

Hadoop QA commented on HDFS-3664:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12544746/HDFS-3664.002.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  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.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs:

                  org.apache.hadoop.hdfs.TestDatanodeBlockScanner

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/3175//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/3175//console

This message is automatically generated.
                
> BlockManager race when stopping active services
> -----------------------------------------------
>
>                 Key: HDFS-3664
>                 URL: https://issues.apache.org/jira/browse/HDFS-3664
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-3664.001.patch, HDFS-3664.002.patch
>
>
> Looks like there's a race hit by the test where we try to do block management while shutting
down (eg allocate a block or compute replication work after BlocksMap#close, resulting in
an NPE).

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