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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12261) Surefire needs to make sure the JVMs it fires up are 64-bit
Date Fri, 24 Jul 2015 20:41:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14641041#comment-14641041

Colin Patrick McCabe commented on HADOOP-12261:

We have made incompatible changes in branch-2 before, including dropping support for JDK6
(something that people did actually use, unlike 32-bit).

> Surefire needs to make sure the JVMs it fires up are 64-bit
> -----------------------------------------------------------
>                 Key: HADOOP-12261
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12261
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: test
>    Affects Versions: 2.7.1
>            Reporter: Alan Burlison
>            Assignee: Alan Burlison
> hadoop-project/pom.xml sets maven-surefire-plugin.argLine to include -Xmx4096m. Allocating
 that amount of memory requires a 64-bit JVM, but on platforms with both 32 and 64-bit JVMs
surefire runs the 32 bit version by default and tests fail to start as a result. "-d64" should
be added to the command-line arguments to ensure a 64-bit JVM is always used.

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