node.js AWS Lambda 函数正在返回模块“索引”上缺少的处理程序“处理程序”
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/37117274/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
AWS Lambda Function is returning Handler 'handler' missing on module 'index'
提问by AShly
Consider following code -
考虑以下代码 -
function index(event, context, callback) {
//some code
}
exports.handler = index();
{
"errorMessage": "Handler 'handler' missing on module 'index'"
}
This is my function which is having business logic. My javascript file name is index.js.
这是我的功能，它具有业务逻辑。我的 javascript 文件名是index.js.
Whenever I test this code on aws lambda, It gives following log(failed).
每当我在 aws lambda 上测试此代码时，它都会给出以下log(failed).
This is a screenshot of the Amazon Lambda Upload Site:
这是 Amazon Lambda 上传站点的屏幕截图：
回答by Alexis N-o
In export.handler, you are not referencing the indexfunction, but the result of its execution. I guess you want to export the function itself.
在 中export.handler，您引用的不是index函数，而是其执行的结果。我猜你想导出函数本身。
let index = function index(event, context, callback) {
//some code
}
exports.handler = index;
Or maybe directly
或者直接
exports.handler = function index(event, context, callback) {
//some code
}
回答by RandomEli
What you can do is to declare your function as the exports.handler. When your function exports to lambda, it comes with the namespace.
您可以做的是将您的函数声明为exports.handler。当您的函数导出到 lambda 时，它带有命名空间。
exports.handler = function(event, context) {
//code
}
You can ignore the callback if you want fast code.
如果你想要快速的代码，你可以忽略回调。
回答by rubyisbeautiful
You may have incorrectly specified your handler as "index.js" instead of "index.handler"
您可能错误地将处理程序指定为“index.js”而不是“index.handler”
