为什么我看不到我的Java/SalesForce/Google应用程序？

我目前正在编写一个名为SalesForce.com的教程

我已经安装了Google Eclipse插件，下载了库，并输入了“Hello World应用程序”（如教程页面所示）：

当我尝试访问时，我看到：

但当我访问时，我得到：

（这也不是期望或预期的结果。）

---

我缺少的content-type.properties是什么？如何修复它？或者这只是一个更大问题的症状？

您是否检查了web.xml是否将

/

请求定向到相应的处理程序类？仅仅编写类是不够的，您必须确保传入的请求被定向到它。

我想您可能已经了解到了这一点。。。我模模糊糊地记得在一些早期的动态Web应用程序中这样做，但后来发现新的应用程序由于一些注释而不需要这样做。。。。我试试这个，然后再打给你。：-）现在我得到了一些其他的错误，但我会在以后整理它们。为修复我所问的那个而干杯。：-）

package com.force;
import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.http.*;
import java.util.logging.*;

import com.sforce.ws.*;
import com.sforce.soap.partner.*;
import com.sforce.soap.partner.sobject.SObject;


@SuppressWarnings("serial")
public class HelloWorldServlet extends HttpServlet {
    private static final Logger log = Logger.getLogger(HelloWorldServlet.class.getName());

    private String username = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
    private String password = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
    private PartnerConnection connection;

    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        resp.setContentType("text/html");
        resp.getWriter().println("Hello, world. this is a test2");

        PrintWriter t = resp.getWriter();
        getConnection( t, req);
        if ( connection == null ) { return; }

        QueryResult result = null;

        try {

            result = connection.query(  "select id, name, phone from Account order by LastModifiedDate desc limit 10 ");

        } catch (ConnectionException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        for (SObject account : result.getRecords()) {
             t.println("<li>"+ (String)account.getField("Name") + "</li>");
        }
    }

    void getConnection(PrintWriter out, HttpServletRequest req)  { 

        try { 
            // build up a ConnectorConfig from a sid
            String sessionid = req.getParameter("sid");
            String serverurl = req.getParameter("srv");

            if ( connection == null ) { 

               out.println("<p>new connection needed</p>");
               // login to the Force.com Platform
               ConnectorConfig config = new ConnectorConfig();
               if ( sessionid != null && serverurl != null) {
                   config.setServiceEndpoint(serverurl);
                   config.setSessionId(sessionid);
                   config.setManualLogin(false);
                   out.println("using session from query string");
               }   else { 
                   config.setUsername(username);
                   config.setPassword(password);
               }
               connection = Connector.newConnection(config);
               out.println( connection.getConfig().getSessionId() );
               out.println( connection.getConfig().getServiceEndpoint() );
           } else { 
               out.println("<p> reuse existing connection"); 
               out.println( connection.getConfig().getSessionId() );
           }
           log.warning("Connection SID " +connection.getConfig().getSessionId());

        } catch ( ConnectionException ce) {
            log.warning("ConnectionException " +ce.getMessage());

            out.println( ce.getMessage() + " s " + ce.getClass() );

        }

    }
}

Initializing AppEngine server
Logging to JettyLogger(null) via com.google.apphosting.utils.jetty.JettyLogger
Successfully processed D:\education\java\HelloWorldOriginal\war\WEB-INF/appengine-web.xml
Successfully processed D:\education\java\HelloWorldOriginal\war\WEB-INF/web.xml
The server is running at http://localhost:8888/
Warning: default mime table not found: C:\devtool\Java\jre6\lib\content-types.properties

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