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![ASHOK Gudivada](https://uploads.teamtreehouse.com/production/profile-photos/6527162/micro_download.jpg)
ASHOK Gudivada
11,701 PointsPlease Help Getting "500 Internal Error" when I use if else condition in index.hbs
<html lang="en">
<!doctype html>
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Hello Students</title>
</head>
<body>
{{#if username }}
<h1>Welcome {{ username }}!</h1>
{{ else }}
<h1>Welcome Students!</h1>
<form action="/sign-in" method="post">
<input type="type" placeholder="What's your user name?" name="username">
<button>Sign in</button>
</form>
{{/if}}
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Signed in</title>
</head>
<body>
<p>Welcome {{username}}!</p>
</body>
</html>
package com.teamtreehouse;
import spark.ResponseTransformer;
import static spark.Spark.*;
import spark.ModelAndView;
import spark.template.mustache.MustacheTemplateEngine;
import java.util.HashMap;
import java.util.Map;
/**
* Created by ashokgudivada on 4/30/17.
*/
public class Main {
public static void main(String[] args){
port(8001);
get("/hello", (req, res) -> "Hello World");
get("/", (req, res) -> {
Map<String, String> model = new HashMap<>();
model.put("username", req.cookie("username"));
return new ModelAndView(model, "index.hbs");
}, new MustacheTemplateEngine());
post("/sign-in", (request, response) -> {
Map<String, String> model = new HashMap<>();
String username = request.queryParams("username");
response.cookie("username",username);
model.put("username", username);
return new ModelAndView(model, "sign-in.hbs");
}, new MustacheTemplateEngine());
}
}
1 Answer
![Fahad Mutair](https://uploads.teamtreehouse.com/production/profile-photos/6260962/micro_download.jpg)
Fahad Mutair
10,359 Pointshi ASHOK Gudivada , in the examples he was using HandlebarsTemplateEngine() not MustacheTemplateEngine() so you have to change it to HandlebarsTemplateEngine() and don't forget to update your dependencies to include compile 'com.sparkjava:spark-template-handlebars:2.5.5'