I had the same troubles... Do you have installed jdk6 in 32bits ? or 64 bits (like me before it works) ? -- View this message in context: http://vtk.1045678.n5.nabble.com/Compilation-Error-while-vtk5-10-Java-Win7-64bit-tp5714558p5714587.html Sent from the VTK - Users mailing list archive at Nabble.com.