Typically, what does it mean when java returns a “The parameter is incorrect”

Question

I am creating a file like so

try {
    File file = new File(workingDir, obj.getName() + \".xls\");
    outputStream = new FileOutputStream(file);
} catch (FileN         


        

Answer 1

If your "workingDir" is a relative path, then are you sure you are on the correct "current directory" when you moved your app from unix to windows? Maybe, you should check what the current directory of the running application is.