http://bugs.winehq.org/show_bug.cgi?id=10924
--- Comment #5 from Damjan Jovanovic damjan.jov@gmail.com 2009-06-27 09:46:16 --- Sorry, I was wrong about that backtrace in my previous post.
You can use the "OS independent ZIP" directly instead of the Windows specific EXE, just run "wine netbeans.exe" from the bin subdirectory. It's something in extracting the JAR and starting it from the EXE installer that gets messed up.