Context ctx = tomcat.addContext("", docBase.getAbsolutePath());
DispatchingServlet dispatch = new DispatchingServlet(false, false);
Wrapper wrapper = Tomcat.addServlet(ctx, "dispatch", dispatch);
wrapper.setAsyncSupported(true);
ctx.addServletMapping("/stage1", "dispatch");
NonAsyncServlet nonasync = new NonAsyncServlet();
Wrapper wrapper2 = Tomcat.addServlet(ctx, "nonasync", nonasync);
wrapper2.setAsyncSupported(true);
ctx.addServletMapping("/stage2", "nonasync");