War Pack __web that can be run with jars

The principle is the jar package +war package,

The war package is the original war package, and the jar package is the package that invokes jetty.

Determine the location of the current war in the package through (Jar package) code, and then invoke the Jetty method to run the war package.

Currently there is a problem, the package jetty related packets to the war, running the war package will be an error, through the manifest connected to the external folder, keep the jar format library, run is OK.