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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7964) Deadlock in class init.
Date Thu, 12 Jan 2012 13:17:41 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13184934#comment-13184934
] 

Hudson commented on HADOOP-7964:
--------------------------------

Integrated in Hadoop-Mapreduce-0.23-Build #158 (See [https://builds.apache.org/job/Hadoop-Mapreduce-0.23-Build/158/])
    HADOOP-7964. Merging change r1230249 from trunk to 0.23

suresh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1230253
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetUtils.java
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileSystemCanonicalization.java
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/NetUtilsTestResolver.java
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetUtils.java
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/NetUtilsTestResolver.java
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestSecurityUtil.java

                
> Deadlock in class init.
> -----------------------
>
>                 Key: HADOOP-7964
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7964
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security, util
>    Affects Versions: 0.20.205.0, 0.24.0, 0.23.1, 1.0.0, 1.1.0
>            Reporter: Kihwal Lee
>            Assignee: Daryn Sharp
>            Priority: Blocker
>         Attachments: HADOOP-7964-2.patch, HADOOP-7964-3.patch, HADOOP-7964.patch
>
>
> After HADOOP-7808, client-side commands hang occasionally. There are cyclic dependencies
in NetUtils and SecurityUtil class initialization. Upon initial look at the stack trace, two
threads deadlock when they hit the either of class init the same time.

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