I ran into the same problem on the same MAC OS version.
This seems to be a JVM command line issue. it exceeds its limits and it's
platform independent. I know IntelliJ Idea handles this case.

On Wed, May 16, 2012 at 5:40 PM, [EMAIL PROTECTED] <
[EMAIL PROTECTED]> wrote:

> I installed datanucleus eclipse plugin as I realized that it is needed to
> run some of the hive tests in eclipse. While trying to run the enhancer
> tool, I keep getting this exception:
>
> "Exception occurred executing command line. Cannot run program
> "/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin/java"
> ...Argument list is too long"
>
> Has anyone else encountered this too? My machine is running OS X 10.7.
>
> Thanks,
>
> Swarnim
>