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https://issues.apache.org/jira/browse/LUCENE-4488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479447#comment-13479447
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Uwe Schindler commented on LUCENE-4488:
---------------------------------------

The patch has another problem: If you pass -Dargs on the command line, the 
<param/> is ignored. Jenkins *always* sets -Dargs to specify custom GCs and so 
on. I have to think about it. The reason is in the docs of "antcall":

bq. You can also set properties in the new project from the old project by 
using nested param tags. These properties are always passed to the new project 
and any project created in that project regardless of the setting of 
inheritAll. This allows you to parameterize your subprojects. Properties 
defined on the command line can not be overridden by nested <param> elements.

Too stupid... :(
                
> Jenkins builds aren't saving heap dumps anymore
> -----------------------------------------------
>
>                 Key: LUCENE-4488
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4488
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Michael McCandless
>         Attachments: LUCENE-4488.patch
>
>
> Spinoff from the discussion here: http://markmail.org/thread/vljiltccqgg7afxc
> Our Jenkins builds used to save heap dumps, which is really useful for 
> tracking down OOMEs that are hard to reproduce: sometimes these OOMEs are due 
> to real issues.
> From the thread it sounds like it's easy to fix TestIndexWriterOnJRECrash to 
> not dump ...

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