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POUrl mapping with my servlet?
 

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  1. POUrl mapping with my servlet?
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    <p>I'm using GWT with GAE. When the user enters any of the following urls, I want to just serve my app as usual to them:</p> <pre><code>http://www.mysite.com/ http://www.mysite.com/dog http://www.mysite.com/cat </code></pre> <p>the first case works by default. I'm not sure how to get the /dog and /cat cases to work. I think I have to modify something with the url mappings to get that to work in web.xml. Essentially I'm trying to just get my app served with any url entered:</p> <pre><code>http://www.mysite.com/* </code></pre> <p>I'm trying this with a brand new project, so my web.xml looks like this:</p> <pre><code>&lt;!-- Servlets --&gt; &lt;servlet&gt; &lt;servlet-name&gt;greetServlet&lt;/servlet-name&gt; &lt;servlet-class&gt;com.me.test.server.GreetingServiceImpl&lt;/servlet-class&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;greetServlet&lt;/servlet-name&gt; &lt;url-pattern&gt;/test/greet&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; </code></pre> <p>and now I've appended the following below:</p> <pre><code>&lt;servlet&gt; &lt;servlet-name&gt;servletGate&lt;/servlet-name&gt; &lt;servlet-class&gt;com.me.test.server.ServletGate&lt;/servlet-class&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;servletGate&lt;/servlet-name&gt; &lt;url-pattern&gt;/*&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; </code></pre> <p>when I enter a url like:</p> <pre><code>http://localhost:8888/ http://localhost:8888/dog </code></pre> <p>I get a null pointer exception thrown on the doGet() line here:</p> <pre><code>getServletConfig().getServletContext().getRequestDispatcher("test.html").forward(request,response); </code></pre> <p>what have I missed?</p> <p>Thanks</p>
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