Huge heap dump (11GB) - Jhat failed & Eclipse MAT needed help

Question

We got a memory error in our EA and we used -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/path/to/some/dir to dump the heap at the time of OOM.

We had a

Answer 1

We have had success in the past using Netbeans to analyze OOM errors. It seemed to cope where Eclipse and JHAT couldn't.