![](/img/trans.png)
[英]AWS AppSync - GraphQL query timeout when running from AppSync Console
[英]AWS Lambda timeout after GraphQL query on AWS AppSync
我在本教程之后通过Amplify部署了一个AWS AppSync GraphQL终端节点:
https://aws-amplify.github.io/docs/js/api#amplify-graphql-client
我使用Node.js和TypeScript创建了一个Lambda函数来查询数据:
import { APIGatewayEvent, Callback, Context, Handler } from 'aws-lambda';
import Amplify, { API, graphqlOperation } from "aws-amplify";
import * as queries from './src/graphql/queries';
import * as mutations from './src/graphql/mutations';
import { CreateBlogInput } from './src/API';
import aws_config from "./src/aws-exports";
Amplify.configure(aws_config);
export const list: Handler = async (event: APIGatewayEvent, context: Context, cb: Callback) => {
const allBlogs = await API.graphql(graphqlOperation(queries.listBlogs));
// this seems to be working
console.log(JSON.stringify(allBlogs));
const response = {
statusCode: 200,
body: JSON.stringify(allBlogs),
};
cb(null, response);
}
现在,当我通过HTTP调用Lambda函数时,它将检索数据并将其记录到控制台。 但是它永远不会完成请求并做出响应,即使我将超时时间增加到30秒,它也总是会超时。 运行变异和插入数据也会发生同样的情况。
任何想法可能有什么问题吗?
这里的问题是您要混合使用lambda签名。
无论您使用async
和回报 (或在错误的情况下抛出 ):
export const list: Handler = async (event: APIGatewayEvent, context: Context, cb: Callback) => {
// ... rest of function
return response;
}
或者您不使用async
,而是使用callback
函数:
export const list: Handler = (event: APIGatewayEvent, context: Context, cb: Callback) => {
// ... rest of function
cb(null, response);
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.