使用Slack RTM api发布消息

问题描述：

我正在按照这里的教程https://slackapi.github.io/node-slack-sdk/bots#posting-a-message和我flummoxed为什么我不能让这部分的教程代码工作。我复制并从这一节，低于使用Slack RTM api发布消息

var RtmClient = require('@slack/client').RtmClient; 
var RTM_CLIENT_EVENTS = require('@slack/client').CLIENT_EVENTS.RTM; 

var bot_token = process.env.SLACK_BOT_TOKEN || ''; //I know the problem is not here. 

var rtm = new RtmClient(bot_token); 
rtm.start(); 

var channel = "#general"; //could also be a channel, group, DM, or user ID (C1234), or a username (@don) 

// you need to wait for the client to fully connect before you can send messages 
rtm.on(RTM_CLIENT_EVENTS.RTM_CONNECTION_OPENED, function() { 
    rtm.sendMessage("Hello!", channel); 
});

由于教程代码的第一部分工作，这个问题肯定是从过去的3行代码来粘贴代码。据推测这是该事件的一个问题。我的错误讯息是

Unhandled rejection Error 
    at RTMClient.handleMessageAck [as _handleMessageAck] (/Users/mg/projects/slack_projects/games/s 
lack_connect_four/node_modules/@slack/client/lib/clients/rtm/client.js:496:40) 
    at RTMClient._handleWsMessageViaEventHandler (/Users/mg/projects/slack_projects/games/slack_con 
nect_four/node_modules/@slack/client/lib/clients/rtm/client.js:459:12) 
    at RTMClient.handleWsMessage (/Users/mg/projects/slack_projects/games/slack_connect_four/node_m 
odules/@slack/client/lib/clients/rtm/client.js:419:10) 
    at WebSocket.wrapper (/Users/mg/projects/slack_projects/games/slack_connect_four/node_modules/l 
odash/lodash.js:4968:19) 
    at emitTwo (events.js:106:13) 
    at WebSocket.emit (events.js:191:7) 
    at Receiver.ontext (/Users/mg/projects/slack_projects/games/slack_connect_four/node_modules/ws/ 
lib/WebSocket.js:841:10) 
    at /Users/mg/projects/slack_projects/games/slack_connect_four/node_modules/ws/lib/Receiver.js:5 
36:18 
    at Receiver.applyExtensions (/Users/mg/projects/slack_projects/games/slack_connect_four/node_mo 
dules/ws/lib/Receiver.js:371:5) 
    at /Users/mg/projects/slack_projects/games/slack_connect_four/node_modules/ws/lib/Receiver.js:5 
08:14 
    at Receiver.flush (/Users/mg/projects/slack_projects/games/slack_connect_four/node_modules/ws/l 
ib/Receiver.js:347:3) at Receiver.finish (/Users/mg/projects/slack_projects/games/slack_connect_four/node_modules/ws/ 
lib/Receiver.js:541:12) 
    at Receiver.expectHandler (/Users/mg/projects/slack_projects/games/slack_connect_four/node_modu 
les/ws/lib/Receiver.js:499:31) 
    at Receiver.add (/Users/mg/projects/slack_projects/games/slack_connect_four/node_modules/ws/lib 
/Receiver.js:103:24) 
    at TLSSocket.realHandler (/Users/mg/projects/slack_projects/games/slack_connect_four/node_modul 
es/ws/lib/WebSocket.js:825:20) 
    at emitOne (events.js:96:13)

我真的很感激任何帮助。

意识到我面临的问题在这些链接中提出https://github.com/slackapi/node-slack-sdk/issues/251 https://github.com/slackapi/node-slack-sdk/问题/ 300＃issuecomment-266804306 – MattGoldwater

答

可能您的机器人尚未加入#general频道。首先邀请他加入频道。

答

这篇文章可能很老了，但我想分享我的经验与这个错误。我也在测试这个代码，我正在使用一个私人频道。即使该bot已经是该频道的成员，它也会引发此错误。然后我试图使用公共频道，然后通过。我希望这有帮助。

使用Slack RTM api发布消息

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