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https://issues.apache.org/jira/browse/TEZ-3893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16363206#comment-16363206
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Jonathan Eagles commented on TEZ-3893:
--------------------------------------

[~jlowe], posted results from 
https://builds.apache.org/job/PreCommit-TEZ-Build/2727/
{color:green}+1 overall{color}.  Here are the results of testing the latest 
attachment
  http://issues.apache.org/jira/secure/attachment/12910451/TEZ-3893.003.patch
  against master revision a1f2da8.

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 2 new 
or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 3.0.1) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

> Tez Local Mode can hang for cases
> ---------------------------------
>
>                 Key: TEZ-3893
>                 URL: https://issues.apache.org/jira/browse/TEZ-3893
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>            Priority: Major
>         Attachments: TEZ-3893.002.patch, TEZ-3893.003.patch, TEZ-3893.1.patch
>
>
> The scheduler has a race condition where events that notify can be added 
> while the blocking queue is not waiting, but just before waiting. In this 
> case, we can wait forever.



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