JAVA-10004 --fixing path issues

javax-servlets/src/main/java/com/baeldung/servlets/FormServlet.java

@@ -1,6 +1,7 @@
 package com.baeldung.servlets;
 
 import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
 import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
@@ -11,30 +12,25 @@ import java.io.IOException;
 public class FormServlet extends HttpServlet {
 
     @Override
-    protected void doPost(HttpServletRequest request, HttpServletResponse response)
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
-      throws IOException {
 
         String height = request.getParameter("height");
         String weight = request.getParameter("weight");
-
         try {
             double bmi = calculateBMI(Double.parseDouble(weight), Double.parseDouble(height));
-
             request.setAttribute("bmi", bmi);
             response.setHeader("Test", "Success");
             response.setHeader("BMI", String.valueOf(bmi));
-
+            request.getRequestDispatcher("/WEB-INF/jsp/index.jsp").forward(request, response);
-            RequestDispatcher dispatcher = request.getRequestDispatcher("/WEB-INF/jsp/index.jsp");
-            dispatcher.forward(request, response);
         } catch (Exception e) {
-            response.sendRedirect("index.jsp");
+            request.getRequestDispatcher("/WEB-INF/jsp/index.jsp").forward(request, response);
         }
     }
 
     @Override
-    protected void doGet(HttpServletRequest request, HttpServletResponse response) {
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-
+        RequestDispatcher dispatcher = request.getRequestDispatcher("/WEB-INF/jsp/index.jsp");
-        // do something else here
+        dispatcher.forward(request, response);
     }
 
     private Double calculateBMI(Double weight, Double height) {

javax-servlets/src/main/java/com/baeldung/servlets/MainServlet.java

@@ -12,8 +12,7 @@ public class MainServlet extends HttpServlet {
 
    
 	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-		
+		request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response);
-		response.sendRedirect("main.jsp");
 	}
 
 	

javax-servlets/src/main/java/com/baeldung/servlets/MyHttpServlet.java

@@ -2,6 +2,8 @@ package com.baeldung.servlets;
 
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Collections;
 
 import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServlet;
@@ -20,7 +22,7 @@ public class MyHttpServlet extends HttpServlet {
             writer.println(request.getLocalAddr());
         } else if ("getLocalName".equals(request.getParameter("function"))) {
             writer.println(request.getLocalName());
-        } else if ("getLocalAPort".equals(request.getParameter("function"))) {
+        } else if ("getLocalPort".equals(request.getParameter("function"))) {
             writer.println(request.getLocalPort());
         } else if ("getMethod".equals(request.getParameter("function"))) {
             writer.println(request.getMethod());

javax-servlets/src/main/java/com/baeldung/servlets/UpdateServlet.java

@@ -25,9 +25,7 @@ public class UpdateServlet extends HttpServlet {
             request.setAttribute("sessionData", session);
         }
 
-        RequestDispatcher requestDispather = request.getRequestDispatcher("update.jsp");
+        request.getRequestDispatcher("/WEB-INF/jsp/update.jsp").forward(request, response);
-
-        requestDispather.forward(request, response);
     }
 
 }

javax-servlets/src/main/java/com/baeldung/servlets/UserLoginServlet.java

@@ -21,9 +21,7 @@ public class UserLoginServlet extends HttpServlet {
 
         request.setAttribute("id", session.getAttribute("userId"));
 
-        RequestDispatcher requestDispather = request.getRequestDispatcher("userlogin.jsp");
+        request.getRequestDispatcher("/WEB-INF/jsp/userlogin.jsp").forward(request, response);
-
-        requestDispather.forward(request, response);
 
     }
 

javax-servlets/src/main/java/com/baeldung/servlets/UserServlet.java

@@ -8,7 +8,7 @@ import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-@WebServlet(name = "UserServlet", urlPatterns = {"/userServlet"}, initParams={
+@WebServlet(name = "UserServlet", urlPatterns = "/userServlet", initParams={
     @WebInitParam(name="name", value="Not provided"), 
     @WebInitParam(name="email", value="Not provided")})
 public class UserServlet extends HttpServlet {
@@ -16,13 +16,13 @@ public class UserServlet extends HttpServlet {
     @Override
     protected void doGet(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException {
+        processRequest(request, response);
+        forwardRequest(request, response, "/WEB-INF/jsp/result.jsp");
     }
     
     @Override
     protected void doPost(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException {
-        processRequest(request, response);
-        forwardRequest(request, response, "/WEB-INF/jsp/result.jsp");
     }
     
     protected void processRequest(HttpServletRequest request, HttpServletResponse response)

javax-servlets/src/main/webapp/WEB-INF/jsp/result.jsp

@@ -1,4 +1,3 @@
-<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
 <%@ page contentType="text/html" pageEncoding="UTF-8"%>
 <!DOCTYPE html>
 <html>

javax-servlets/src/main/webapp/user.jsp

@@ -1,4 +1,3 @@
-<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
 <%@ page contentType="text/html" pageEncoding="UTF-8"%>
 <!DOCTYPE html>
 <html>