How to reconfigure eclipse to use a 64 bit JVM

Question

I\'m using eclipse on what I thought were all 64 bit runtime environments. The current settings Java>installed JREs and Execution Environment all point to jdk1.6.0_30 which

Answer 1

I think there is a bug in the Run Configuration page.

I had to add the 64-bit JRE in run configuration, select it, and DELETE the 32-bit entry (even though it was already deselected).

eclipse.ini didn't work for me.

This is Eclipse Luna.