CakePHP错误：调用非对象上的成员函数parseAccept（）

问题描述

我刚从

官方 Cake 2.x docs 可以在这里找到：

如果您刚刚从 1.x 升级到 2.x ，我强烈建议您阅读 cakePHP 提供的详细迁移指南。

迁移指南

I have just upgraded from CakePHP 1.3 to cakePHP 2.4.5.

I am getting the following error:

Fatal Error
Error: Call to a member function parseAccept() on a non-object
File: /myapp/lib/Cake/Controller/Component/RequestHandlerComponent.php
Line: 157

I'm not calling the function parseAccept() anywhere within my controller, and so don't understand why I am getting this error.

解决方案

From the Cake Manual

---

The Fix:

Change your constructor signature..

From:

function __construct()
{
    parent::__construct();
}

To:

// Pass through the request and response objects
// AND declare the visibility of the method
public function __construct($request = null, $response = null)
{
    parent::__construct($request, $response);
}

This should resolve your Error: Call to a member function parseAccept() on a non-object.

The official Cake 2.x docs for this issue can be found here:

http://book.cakephp.org/2.0/en/appendices/2-0-migration-guide.html#controller

If you have just upgraded from 1.x to 2.x, I would highly recommend you read through the detailed migration guides provided by cakePHP.

Migration Guides

2.0 Migration Guide
2.1 Migration Guide
2.2 Migration Guide
2.3 Migration Guide
2.4 Migration Guide

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