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[英]AWS AppSync - GraphQL query timeout when running from AppSync Console
[英]AWS Lambda timeout after GraphQL query on AWS AppSync
我在本教程之后通過Amplify部署了一個AWS AppSync GraphQL終端節點:
https://aws-amplify.github.io/docs/js/api#amplify-graphql-client
我使用Node.js和TypeScript創建了一個Lambda函數來查詢數據:
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);
}
現在,當我通過HTTP調用Lambda函數時,它將檢索數據並將其記錄到控制台。 但是它永遠不會完成請求並做出響應,即使我將超時時間增加到30秒,它也總是會超時。 運行變異和插入數據也會發生同樣的情況。
任何想法可能有什么問題嗎?
這里的問題是您要混合使用lambda簽名。
無論您使用async
和回報 (或在錯誤的情況下拋出 ):
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
函數:
export const list: Handler = (event: APIGatewayEvent, context: Context, cb: Callback) => {
// ... rest of function
cb(null, response);
}
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