Debug failure in JDeveloper 10.1.2

I have 2 ADF JClient applications that have been working fine for weeks. A couple of days ago, I could set breakpoints and debug both applications. Yesterday, I noticed some libraries that were added to one of the projects that didn't appear to be necessary (JSP Runtime), so I removed it and some others. The project compiled and executed fine. Today I attempted to debug the same project and I get the following error:
"FATAL ERROR in native method: No transports initialized
Transport dt_socket failed to initialize, rc = 509.
Process exited with exit code 1."
I added the libraries back to the project, but it still gets the error. The other application that I didn't remove libraries for, debugs perfectly fine still. I noticed that the command line for the 2 projects are different when I launch the debugger, but I can't find any properties that would cause this. The project that doesn't debug, has the following following command-line argument that the good one does not:
"-Xrunjdwp:transport=dt_socket,server=y,address=4586"
Does anyone know how I can correct my project so that I can debug again?
Thanks!

Ok. I found the problem...
I apparently changed my JVM to client instead of OJVM for the project that doesn't work. I seem to recall that JDeveloper requires the OJVM in order to support debugging. I wouldn't think that this would still be a requirement since other IDE's can debug against another VM, but I'm sure Oracle has their reasons.

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