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From "Dmitri Dolguikh (JIRA)" <>
Subject [jira] Commented: (BUILDR-549) Buildr cannot create a JVM using MRI on OS X 10.6 with Java Update 3 installed
Date Tue, 16 Nov 2010 04:39:13 GMT


Dmitri Dolguikh commented on BUILDR-549:

I managed to get buildr  1.4.3 to work under OS X 10.6.4, with Java Update 3 installed:

 - install Java Developer Package for Mac OS X 10.6 Update 3 (can be downloaded from,
no direct link available)
 - change buildr's spec file to require rjb >= 1.2.5
 - install latest rjb gem
 - point JAVA_HOME to /System/Library/Frameworks/JavaVM.framework (I don't think it's necessary)
 - in above mentioned directory, create a symlink JavaVM and point it to Versions/Current/JavaVM
(may not be necessary after developer package installation)

> Buildr cannot create a JVM using MRI on OS X 10.6 with Java Update 3 installed
> ------------------------------------------------------------------------------
>                 Key: BUILDR-549
>                 URL:
>             Project: Buildr
>          Issue Type: Bug
>          Components: Core features
>    Affects Versions: 1.4.1, 1.4.2, 1.4.3
>         Environment: OS X 10.6.5 with Java Update 3 for OS X 10.6; tested with 1.8.7-p174
and 1.8.7-p302, but probably any MRI will have this problem
>            Reporter: Rhett Sutphin
>         Attachments: buildfile, trace.txt
> Java Update 3 for OS X changed the way the JDK is installed on OS X and, in the process,
broke RJB.  With the current trunk, buildr's specs will not run.  They give the error "RuntimeError
: can't create Java VM".  Buildfiles which invoke java have the same problem.
> Allegedly, upgrading to rjb 1.3.2 will fix this problem.  My initial efforts in this
direction have not been successful.  I'll investigate further and update this ticket.

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