警告错误:在服务器上调用方法时,流星代码必须始终在光纤中运行



我试图将我的流星应用程序部署到服务器上,但它总是有这个错误在我的流星服务器日志

Fri Jun 21 2013 11:39:31 GMT+0000 (UTC)] INFO HIT /img/bg.png
183.90.41.21 [Fri Jun 21 2013 11:39:32 GMT+0000 (UTC)] INFO HIT /favicon.ico 183.90.41.21 [Fri Jun 21 2013 11:39:41 GMT+0000 (UTC)] INFO HIT /form 183.90.41.21 [Fri Jun 21 2013 11:39:42 GMT+0000 (UTC)] INFO HIT /favicon.ico 183.90.41.21 [Fri Jun 21 2013 11:39:49 GMT+0000 (UTC)] WARNING           }).run();
             ^ [Fri Jun 21 2013 11:39:49 GMT+0000 (UTC)] WARNING app/server/server.js:53 [Fri Jun 21 2013 11:39:49 GMT+0000 (UTC)] WARNING Error: Meteor code must always run within a Fiber
    at _.extend.get (app/packages/meteor/dynamics_nodejs.js:14:13)
    at _.extend.apply (app/packages/livedata/livedata_server.js:1268:57)
    at _.extend.call (app/packages/livedata/livedata_server.js:1229:17)
    at Meteor.startup.Meteor.methods.streamTwit (app/server/server.js:51:22)

但是我已经把它包装在纤维中,它在局部工作得很好。我真的不知道是什么问题。如果有人能帮忙,我很感激。

//server.js

Meteor.startup(function () {
    var require = Npm.require;
    var fs = require('fs');
    var path = require('path');
    var base = path.resolve('.');
    var isBundle = fs.existsSync(base + '/bundle');
    var modulePath = base + (isBundle ? '/bundle/static' : '/public') + '/node_modules';
    var ntwitter = require(modulePath + '/ntwitter');
    var Fiber = require(modulePath + '/fibers');
    var twit = new ntwitter({
      consumer_key: 'my key',
      consumer_secret: 'my key',
      access_token_key: 'my key',
      access_token_secret: 'my key'
    });
  Meteor.methods({
      postText : function(questionText){
        twit.verifyCredentials(function (err, data) {
        if (err) {
          console.log("Error verifying credentials: " + err);
          process.exit(1);
        }
      }).updateStatus(questionText,
        function (err, data) {
          if (err) {
            console.log('Tweeting failed: ' + err);
            return false;
          }
          else {
            console.log('Success!');
            return true;
          }
        }
      );
    },
    streamTwit: function (twit){
      var userid = '1527228696';
    twit.stream(
    'statuses/filter',
    { follow: userid},
      function(stream) {
          stream.on('data', function(tweet) {
          Fiber(function(){
            if(tweet.user.id_str === userid)
            {
              Meteor.call('addQn', tweet);
            }
          }).run();
          console.log('----------------------tracking tweet-----------------');
              console.log(tweet);
              console.log('---------------------------------------------------------');
              console.log(tweet.user.screen_name);
              console.log(tweet.user.name);
              console.log(tweet.text);
          });
        }
      );
    },
    addQn:function(tweet){
      questionDB.insert({'tweet': tweet, 'date': new Date()});
    }
  });
Fiber(function(){
  Meteor.call('streamTwit', twit);
}).run();
});

PS:我已经替换了我的OAuth密钥。提前感谢

我认为你应该用Meteor.bindEnvironment包装你的回调,而不是直接使用纤维-见这里https://gist.github.com/possibilities/3443021

我经常使用这个,它很有效,因为你留在纤维内,而不是离开,必须重新进入

普通回调样式

someMethod({OPTIONS}, function(callbackReturnArgs){
    //this is the normal callback
));

绑定环境包装回调

someMethod({OPTIONS}, Meteor.bindEnvironment(
  function(callbackReturnArgs){
    //this is the normal callback
  },
  function(e){
    console.log('bind failure');
  }
));

如果你一直这样包装异步回调,流星总是可访问的


表示这个位

Fiber(function(){
  Meteor.call('streamTwit', twit);
}).run();

你不需要对它进行纤维包装,因为你已经在Meteor.startup上下文中了,所以这是多余的——只需要Meteor.call(...);就可以了

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