Is it possible to debug core dumps when using Java JNI?

Question

My application is mostly Java but, for certain calculations, uses a C++ library. Our environment is Java 1.6 running on RedHat 3 (soon to be RedHat 5).

My problem is tha

Answer 1

Yes, there is. Everytime JVM crashes because of a SIGSEGV in the JNI part, you'll get a file with core dump in $JAVA_HOME/bin directory. It usually name hs_err_PID.log.

You can get more info here, and here. Here is a somewhat related stackoverflow question.