Hi,
I have had hard time figuring out an OutOfMemoryError problem that crashed with CGLIB ENHANCEMENT FAILED. I ran into this problem when using datamodels of about 2000 classes. The reason for this I think is that CGLIB will run out of space for its proxies. For this situation, changing the -Xmx setting will do nothing because reflective data is not stored on the heap.

I think someone out there will run in the same problem, so I am posting the solution : increase the perm size with a JVM argument :

-XX:MaxPermSize (

We had the same problem and the MaxPermSize solution worked great. We have about 1000 tables and we blow out at about 100MB of MaxPermSize.

Thanks for the fix.