Recommended profiler for finding non-heap (native) memory leaks w/ JDBC

I'm running a java application and notice the process continues to grow in size until it consumes all available system memory.

At first, I thought it was a heap problem, but I ran Jprofiler for awhile and heap size appeared to be stable. I believe it's a leak with the JDBC connections, but I went through my code and made sure all ResultSet, Connection, and PreparedStatements were closed after use.

Can someone suggest a profiler tool to evaluate the source of this leak. I've found numerous lists of profilers, but it wasn't clear which tool would be best suited for this purpose.

I'm using:

jdk1.5_03

mysql database

jconnector 3.1

redhat linux 9

Thanks

[717 byte] By [weathermapsa] at [2007-10-1 21:37:35]