从Viber机器人向botbuilder-viber发送消息时出现错误ERR_INVALID_ARG_TYPE

问题描述：

npm模块中的问题

https://www.npmjs.com/package/botbuilder-viber

平台

操作系统:Ubuntu

Operating System: Ubuntu

节点版本:9.3.0

Node Version: 9.3.0

NPM版本:5.5.1.

NPM Version: 5.5.1.

代码

var viber = require('botbuilder-viber');
var express = require('express');
var bodyParser = require('body-parser');

var viberOptions = {
  Token: '***',
  Name: '***',
  AvatarUrl: '***'
}
var viberChannel = new viber.ViberEnabledConnector(viberOptions);

var expressApp = express();

expressApp.listen(process.env.port || process.env.PORT || 3978, function() {
    console.log("Express server is running.");
});

expressApp.use(bodyParser.urlencoded({ extended: false }));

expressApp.use(bodyParser.json());

bot.connector(viber.ViberChannelId, viberChannel);

expressApp.use('/viber/webhook', viberChannel.listen());

预期行为

没有错误

实际行为

我从viber bot发送消息时出错(每次重复两次).

Error (repeats twice everytime) when I sending message from my viber bot.

TypeError [ERR_INVALID_ARG_TYPE]:数据"参数必须是字符串，TypedArray或DataView类型之一在Hmac.update(internal/crypto/hash.js:53:11)在MessageValidator._calculateHmacFromMessage(/app/node_modules/viber-bot/lib/message/message-validator.js:17:54)在MessageValidator.validateMessage(/app/node_modules/viber-bot/lib/message/message-validator.js:11:30)在_app.use(/app/node_modules/viber-bot/lib/middleware.js:61:32)在Layer.handle [作为handle_request](/app/node_modules/express/lib/router/layer.js:95:5)在trim_prefix(/app/node_modules/express/lib/router/index.js:317:13)在/app/node_modules/express/lib/router/index.js:284:7在Function.process_params(/app/node_modules/express/lib/router/index.js:335:12)在下一个(/app/node_modules/express/lib/router/index.js:275:10)在textParser(/app/node_modules/body-parser/lib/types/text.js:60:7)在Layer.handle [作为handle_request](/app/node_modules/express/lib/router/layer.js:95:5)在trim_prefix(/app/node_modules/express/lib/router/index.js:317:13)在/app/node_modules/express/lib/router/index.js:284:7在Function.process_params(/app/node_modules/express/lib/router/index.js:335:12)在下一个(/app/node_modules/express/lib/router/index.js:275:10)在expressInit(/app/node_modules/express/lib/middleware/init.js:40:5)在Layer.handle [作为handle_request](/app/node_modules/express/lib/router/layer.js:95:5)在trim_prefix(/app/node_modules/express/lib/router/index.js:317:13)在/app/node_modules/express/lib/router/index.js:284:7在Function.process_params(/app/node_modules/express/lib/router/index.js:335:12)在下一个(/app/node_modules/express/lib/router/index.js:275:10)在查询时(/app/node_modules/express/lib/middleware/query.js:45:5)在Layer.handle [作为handle_request](/app/node_modules/express/lib/router/layer.js:95:5)在trim_prefix(/app/node_modules/express/lib/router/index.js:317:13)在/app/node_modules/express/lib/router/index.js:284:7在Function.process_params(/app/node_modules/express/lib/router/index.js:335:12)在下一个(/app/node_modules/express/lib/router/index.js:275:10)在Function.handle(/app/node_modules/express/lib/router/index.js:174:3)

TypeError [ERR_INVALID_ARG_TYPE]: The "data" argument must be one of type string, TypedArray, or DataView at Hmac.update (internal/crypto/hash.js:53:11) at MessageValidator._calculateHmacFromMessage (/app/node_modules/viber-bot/lib/message/message-validator.js:17:54) at MessageValidator.validateMessage (/app/node_modules/viber-bot/lib/message/message-validator.js:11:30) at _app.use (/app/node_modules/viber-bot/lib/middleware.js:61:32) at Layer.handle [as handle_request] (/app/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/app/node_modules/express/lib/router/index.js:317:13) at /app/node_modules/express/lib/router/index.js:284:7 at Function.process_params (/app/node_modules/express/lib/router/index.js:335:12) at next (/app/node_modules/express/lib/router/index.js:275:10) at textParser (/app/node_modules/body-parser/lib/types/text.js:60:7) at Layer.handle [as handle_request] (/app/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/app/node_modules/express/lib/router/index.js:317:13) at /app/node_modules/express/lib/router/index.js:284:7 at Function.process_params (/app/node_modules/express/lib/router/index.js:335:12) at next (/app/node_modules/express/lib/router/index.js:275:10) at expressInit (/app/node_modules/express/lib/middleware/init.js:40:5) at Layer.handle [as handle_request] (/app/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/app/node_modules/express/lib/router/index.js:317:13) at /app/node_modules/express/lib/router/index.js:284:7 at Function.process_params (/app/node_modules/express/lib/router/index.js:335:12) at next (/app/node_modules/express/lib/router/index.js:275:10) at query (/app/node_modules/express/lib/middleware/query.js:45:5) at Layer.handle [as handle_request] (/app/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/app/node_modules/express/lib/router/index.js:317:13) at /app/node_modules/express/lib/router/index.js:284:7 at Function.process_params (/app/node_modules/express/lib/router/index.js:335:12) at next (/app/node_modules/express/lib/router/index.js:275:10) at Function.handle (/app/node_modules/express/lib/router/index.js:174:3)

答

在此连接器开始工作后，我仅将bodyparser添加到了特定的路由.

I added bodyparser only to specific routes, after this connector starts to work.

从Viber机器人向botbuilder-viber发送消息时出现错误ERR_INVALID_ARG_TYPE

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