. . "> I am do not know if this is applicable (I do not use Java MapScript), but when I was trying to get php_mapscript working with Aptana, I needed to set the paths to the supporting DLLs.  Have a look at the C:\\MS4W\\setenv.bat file and modify your system settings to include all the paths and other variables that are set in this batch file.  The MapServer.DLL has a few dependencies, and you" . .