HttpUnitOptions.setDefaultCharacterSet("utf-8");
System.setProperty("file.encoding", "utf-8");
// start servletRunner
runner = new ServletRunner(new File(path), CONTEXT);
Hashtable<String, String> params = new Hashtable<String, String>();
params.put("javaEncoding", "utf-8");
runner.registerServlet("*.jsp", "org.apache.jasper.servlet.JspServlet", params);