A route randomly returns “Cannot set headers after they are sent.” What causes this and how do you fix it?

A route randomly returns “Cannot set headers after they are sent.” What causes this and how do you fix it?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

标签: interviewbit, node-js, topic-specific, node.js, javascript, backend

参考答案摘要

This error occurs when Express attempts to send more than one response for the same request. Common causes include: Calling res.send() / res.json() and then continuing execution Missing return stateme...

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