Question

@RequestMapping("/twitter")
public ModelAndView twitter(HttpServletRequest request) throws Exception {
    String ConsumerKey="WZIBZVr1H6nst0D**********";
    String ConsumerSecret="chj82ljAXNmO544cUAEkSNDon3eTm3Bn200qOEK7**********";
    ConfigurationBuilder cb = new ConfigurationBuilder();
    cb.setDebugEnabled(true)
            .setOAuthConsumerKey(ConsumerKey)
            .setOAuthConsumerSecret(ConsumerSecret);

    TwitterFactory tf = new TwitterFactory(cb.build());
    Twitter twitter = tf.getInstance();


    RequestToken requestToken = twitter.getOAuthRequestToken();
    request.getSession().setAttribute("userToken",requestToken.getToken());
    request.getSession().setAttribute("userSecretToken",requestToken.getTokenSecret());


    System.out.println("requestToken.getToken() ====> "+requestToken.getToken());
    System.out.println("requestToken.getTokenSecret() ====> "+requestToken.getTokenSecret());

    return new ModelAndView("redirect:"+requestToken.getAuthorizationURL());
}

@RequestMapping("/favList")
public String favList(HttpServletRequest request,ModelMap model) throws Exception {

    String ConsumerKey="WZIBZVr1H6nst0D**********";
    String ConsumerSecret="chj82ljAXNmO544cUAEkSNDon3eTm3Bn200qOEK7**********";
    ConfigurationBuilder cb = new ConfigurationBuilder();
    cb.setDebugEnabled(true)
            .setOAuthConsumerKey(ConsumerKey)
            .setOAuthConsumerSecret(ConsumerSecret);

    TwitterFactory tf = new TwitterFactory(cb.build());
    Twitter twitter = tf.getInstance();

    String userToken = (String)request.getSession().getAttribute("userToken");

    String oauthToken = (String)request.getParameter("oauth_token");
    String oauthVerifier = (String)request.getParameter("oauth_verifier");

    System.out.println("oauthToken ====> "+oauthToken);
    System.out.println("oauthVerifier ====> "+oauthVerifier);
    AccessToken accessToken=null;

    if(userToken =="" || userToken ==null){
        return "redirect:/twitter.do";
    }

    if(userToken.equals(oauthToken)){

        try{

            accessToken= twitter.getOAuthAccessToken(oauthToken,oauthVerifier);

        }catch(TwitterException e){

        }
        twitter.setOAuthAccessToken(accessToken);
        List<Status> statuses =null;
        Paging page = new Paging();
        page.count(20);
        page.setPage(1);
        List<String> favList  =new ArrayList<String>();

        statuses =twitter.getHomeTimeline();      <----- error line

        for(Status status: statuses){
            favList.add("@"+status.getUser().getScreenName() + " - " + status.getText());
        }
        model.addAttribute("favList",favList);
    }


    return "/web/favList";
}

=============================================== ================================================== ====

错误：servlet [spring-web]的Servlet.service（）与path []的上下文引发了异常[请求处理失败;嵌套异常是java.lang.IllegalStateException：缺少身份验证凭据。有根本原因，请参阅http://twitter4j.org/en/configuration.html了解详细信息 java.lang.IllegalStateException：缺少身份验证凭据。有关详细信息，请参阅http://twitter4j.org/en/configuration.html

在twitter4j.TwitterBaseImpl.ensureAuthorizationEnabled（TwitterBaseImpl.java:186）在twitter4j.TwitterImpl.get（TwitterImpl.java:1554）在twitter4j.TwitterImpl.getHomeTimeline（TwitterImpl.java:105）在web.controller.twitterTest.favList（twitterTest.java:113） at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method） at sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:57） at sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43） at java.lang.reflect.Method.invoke（Method.java:606）在org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod（HandlerMethodInvoker.java:176）在org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod（AnnotationMethodHandlerAdapter.java:440）在org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle（AnnotationMethodHandlerAdapter.java:428）在org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:925）在org.springframework.web.servlet.DispatcherServlet.doService（DispatcherServlet.java:856）在org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:936）在org.springframework.web.servlet.FrameworkServlet.doGet（FrameworkServlet.java:827）在javax.servlet.http.HttpServlet.service（HttpServlet.java:621）在org.springframework.web.servlet.FrameworkServlet.service（FrameworkServlet.java:812）在javax.servlet.http.HttpServlet.service（HttpServlet.java:728）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:305）在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）在org.apache.tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:51）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:243）在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）在org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal（CharacterEncodingFilter.java:88）在org.springframework.web.filter.OncePerRequestFilter.doFilter（OncePerRequestFilter.java:107）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:243）在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）在org.apache.logging.log4j.core.web.Log4jServletFilter.doFilter（Log4jServletFilter.java:66）在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:243）在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:210）在org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:222）在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:123）在org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:502） at org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:171） at org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:100）在org.apache.catalina.valves.AccessLogValve.invoke（AccessLogValve.java:953）在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:118）在org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:408）在org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1041） at org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:603） at org.apache.tomcat.util.net.JIoEndpoint $ SocketProcessor.run（JIoEndpoint.java:312）在java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1145） at java.util.concurrent.ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:615）在java.lang.Thread.run（Thread.java:745）

验证凭据丢失。有关详细信息，请参见http://twitter4j.org/en/configuration.html

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