.addServlet(servlet);
JspServletBuilder.setupDeployment(builder, new HashMap<String, JspPropertyGroup>(), new HashMap<String, TagLibraryInfo>(), new HackInstanceManager());
DeploymentManager manager = container.addDeployment(builder);
manager.deploy();
servletPath.addPrefixPath(builder.getContextPath(), manager.start());
DefaultServer.setRootHandler(servletPath);
try (CloseableHttpClient client = HttpClients.createDefault()) {
for (File jsp : root.listFiles(filter)) {