Java - find the first cause of an exception

Question

I need to check if an exception is caused by some database problem. I receive an Exception and check if its cause contains the \"ORA\" string and return that (something like

Answer 1

I think that any error that is thrown by oracle will be wrapped in a SQLException (somebody please correct me if wrong). Once you have accessed the SQLException you should be able to call

getErrorCode() Retrieves the vendor-specific exception code for this SQLException object.

Let me know if this works as I have never tried it :-)

Karl