[ https://jira.codehaus.org/browse/SUREFIRE-764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=360612#comment-360612 ] 

Tibor Digana commented on SUREFIRE-764:
---------------------------------------

@Anders
I guess this won't be possible in 2.x. You can use argLine, however there's no connection in argLine syntax to link MAVEN_OPTS with argLine.
We don't want to add new configuration parameter right before the EO surefire 2.x.
I guess in surefire 3.0 you should have a chance to do this via SPI or so, without asking us to do it.
Do you agree with me to assign this issue to 3.0?

> java.io.tmpdir from MAVEN_OPTS should be inherited when forking
> ---------------------------------------------------------------
>
>                 Key: SUREFIRE-764
>                 URL: https://jira.codehaus.org/browse/SUREFIRE-764
>             Project: Maven Surefire
>          Issue Type: Improvement
>          Components: Maven Failsafe Plugin, Maven Surefire Plugin, process forking
>    Affects Versions: 2.9
>         Environment: n/a
>            Reporter: Anders Hammar
>
> For Maven 3 freestyle jobs in Hudson you can select "Private temporary directory". This will set "MAVEN_OPTS=-Djava.io.tmpdir=..." for the Maven execution.
> However, surefire/failsafe plugin forks by default and the forked process will then not be using this temp directory as the new JVM settings are not inherited from MAVEN_OPTS.
> I'm suggesting that java.io.tmpdir should be inherited from MAVEN_OPTS, if specified.



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