Mostly a per-servlet engine problem. Abnormal termination of the servlet engine can cause a lot of junk to be left there as well. And it's not my fault. Snoop uses an outdated XML syntax and Date misapplies the JavaBeans property naming convention for clock. Making the engine work For more specific install instructions, see the setup.html file in the same directory as this.
Brief directions follow.
However, currently you lose functionality when you use the compatiblity packages. It can be run without init params, it is just unlikely to work out of the box like that. These are init params that can be set. This is where the compiled class files are going to wind up. This is the location that the jccsp translated JSPs source files will be placed.