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https://issues.apache.org/jira/browse/HADOOP-7964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13184425#comment-13184425
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Hudson commented on HADOOP-7964:
--------------------------------
Integrated in Hadoop-Mapreduce-trunk-Commit #1547 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/1547/])
HADOOP-7964. Deadlock in NetUtils and SecurityUtil class initialization.
Contributed by Daryn Sharp.
suresh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1230249
Files :
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetUtils.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileSystemCanonicalization.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/NetUtilsTestResolver.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestNetUtils.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/NetUtilsTestResolver.java
*
/hadoop/common/trunk/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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