I have a repeatable error.

Start jws
Show project manager
Click on Cardfile project

Exception access violation (0xc00000005) Address: 0x01ef7c44

The dr. watson error log, which contains 3 core dumps, is attached.
The last 2 are this
bug. I don't recall what the first one was, but it is also with jws.

It looks like a jit bug - the stack backtrace puts it in function
sunwjit!<nosymbols>