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PHP local server Invalid request (Unexpected EOF)

Posted by: admin November 30, 2017 Leave a comment

Questions:

After every execution, regardless of said execution – when using Chrome web browser the PHP local server throws this error:

Invalid request (Unexpected EOF) \n

It’s not causing any visible issues; however as it’s a persistent issue I was wondering if something may bite me later.

Any ideas?

Note: it happens roughly 10 seconds after any page is executed.

Further note: This happens after all executions, even when the files
are ended correctly:

<?php echo 'hey'; ?> 

would still throw the aforementioned error.

[Thu Mar 19 09:39:55 2015] 127.0.0.1:53923 [200]: /admin
[Thu Mar 19 09:40:05 2015] 127.0.0.1:53924 Invalid request (Unexpected EOF)

This is the full error.

Answers:

This is a known bug.

From https://bugs.php.net/bug.php?id=60471:

[2011-12-08 15:01 UTC] lolautruche at gmail dot com Description:
————
From time to time, built-in server with router script logs this kind of stuff :

[Thu Dec 8 13:39:29 2011] 127.0.0.1:50358 Invalid request (Unexpected
EOF)

This happens quite randomly, whatever the script has a close tag or
not, whatever it has a blank line after close tag or not.

And the explanation:

[2012-02-23 18:45 UTC] michal dot pipa dot xsolve at gmail dot com

Chromium has feature called “Predict network actions to improve page
load performance” and its enabled by default. It works this way, that
if HTML page has links to some resources, than Chromium opens about
10 TCP connections in advance. And then if browser has less than 10
resources to fetch, unused connections times out after 10 seconds.
And this (empty payload) causes PHP server to display “Invalid request
(unexpected EOF)” message.

It is a harmless error from the PHP built-in server.

Questions:
Answers:

This could be related to Chrome specifically and its network prediction feature. So try to disable that feature first. That’s why it works for you in Incognito mode, because probably it’s disabled in that mode.

You can find this option in Chrome Settings and click on ‘Show advanced settings’. Should be there in Privacy section.

Use a prediction service to help complete searches and URLs typed in the address bar or the app launcher search box

Questions:
Answers:

On Laravel 4.2, I resolve that when I clear the cache with command :
php artisan cache:clear


Complete list of commands is available with : php artisan list

Questions:
Answers:

I see this behaviour when in index.html

<script src="main.js"></script>

is replaced with

<script src="main.js" />

(instead of closing </script> tag its short version is used />).

Questions:
Answers:

I started to encounter this phenomenon just recently with both Firefox and Chrome.
I can’t confirm nor deny any problems with browser plugins.
Since I hadn’t change anything in my development environment I started to look for other possibilities.
Turns out it was the real time scan engine of the new version of my antivirus program.
Once I excluded my project build folders, the php installation folder and php.exe from the scanning the problems with sudden eof occurrences instantly vanished.
Maybe this helps some of you.

Questions:
Answers:

I confirmed that @user194714’s suggestion is indeed a reason (maybe not the only one though). I’m using WordPress 4.7.1 and changing wp-admin/about.php @ line 55 resolved this issue. More importantly, the page loaded faster after this simple change. I will let WordPress maintainers know.

Questions:
Answers:

In my case, I’m using laravel 5.1 + AngularJs and I had removed the route:

**Route::get('/', function () {
    return view('app');
});**

I put this back and now it works fine.

Questions:
Answers:

On Laravel, I realize this thread hasn’t been active for a while now but I found a solution completely unrelated to what other people have been posting. So I realized that I was getting this very error because I didn’t have an application key set for my application. You can find out more about application keys in this other Stack Overflow question. Before attempting to generate an application key, make sure you’ve run the following command in the root directory of your application.

composer install

From what I’ve read, when you create a new application via the

laravel new application

command, you should have a file called .env by default. This was not my case, I had to rename the .env.example file to .env manually.
Once you have done the two above steps, run this command in the root directory of your app

php artisan key:generate

This solved the OP’s error for me. Hope it can help someone in the future.

Questions:
Answers:

This is bug on PHP. It was fixed on PHP 7.2

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