[sockets] Chrome hangs after certain amount of data transfered - waiting for available socket

I've got a browser game and I have recently started adding audio to the game.

Chrome does not load the whole page and gets stuck at "91 requests | 8.1 MB transferred" and does not load any more content; and it even breaks the website in all other tabs, saying Waiting for available socket.

After 5 mins (exactly) the data are loaded.

This does not happen on any other browser.

Removing one MP3 file (the latest added one) fixed the problem, so is it perhaps a data limit problem?

Chrome is a Chromium-based browser and Chromium-based browsers only allow maximum 6 open socket connections at a time, when the 7th connection starts up it will just sit idle and wait for one of the 6 which are running to stop and then it will start running. Hence the error code ‘waiting for available sockets’, the 7th one will wait for one of those 6 sockets to become available and then it will start running.

You can either

• 1. Clear browser cache & cookies (https://geekdroids.com/waiting-for-available-socket/#1_Clear_browser_cache_cookies)
• 2. Flush socket pools (https://geekdroids.com/waiting-for-available-socket/#2_Flush_socket_pools)
• 3. Flush DNS (https://geekdroids.com/waiting-for-available-socket/#3_Flush_DNS)

The message:

Waiting for available socket...

is shown, because you've reached a limit on the ssl_socket_pool either per Host, Proxy or Group.

Here are the maximum number of HTTP connections which you can make with a Chrome browser:

• The maximum number of connections per proxy is 32 connections. This can be changed in Policy List.

• Maximum per Host: 6 connections.

  This is likely hardcoded in the source code of the web browser, so you can't change it.

• Total 256 HTTP connections pooled per browser.

^{Source: Enterprise networking for Chrome devices}

The above limits can be checked or flushed at chrome://net-internals/#sockets (or in real-time at chrome://net-internals/#events&q=type:SOCKET%20is:active).

Your issue with audio can be related to Chrome bug 162627 where HTML5 audio fails to load and it hits max simultaneous connections per server:proxy. This is still active issue at the time of writing (2016).

Much older issue related to HTML5 video request stay pending, then it's probably related to Issue #234779 which has been fixed 2014. And related to SPDY which can be found in Issue 324653: SPDY issue: waiting for available sockets, but this was already fixed in 2014, so probably it's not related.

Other related issue now marked as duplicate can be found in Issue 401845: Failure to preload audio metadata. Loaded only 6 of 10+ which was related to the problem with the media player code leaving a bunch of paused requests hanging around.

This also may be related to some Chrome adware or antivirus extensions using your sockets in the backgrounds (like Sophos or Kaspersky), so check for Network activity in DevTools.

Our first thought is that the site is down or the like, but the truth is that this is not the problem or disability. Nor is it a problem because a simple connection when tested under Firefox, Opera or services Explorer open as normal.

The error in Chrome displays a sign that says "This site is not available" and clarification with the legend "Error 15 (net :: ERR_SOCKET_NOT_CONNECTED): Unknown error". The error is quite usual in Google Chrome, more precisely in its updates, and its workaround is to restart the computer.

As partial solutions are not much we offer a tutorial for you solve the fault in less than a minute. To avoid this problem and ensure that services are normally open in Google Chrome should insert the following into the address bar: chrome: // net-internals (then give "Enter"). They then have to go to the "Socket" in the left menu and choose "Flush Socket Pools" (look at the following screenshots to guide http://www.fixotip.com/how-to-fix-error-waiting-for-available-sockets-in-google-chrome/) This has the problem solved and no longer will experience problems accessing Gmail, Google or any of the services of the Mountain View giant. I hope you found it useful and share the tutorial with whom they need or social networks: Facebook, Twitter or Google+.

simple and correct solution is put off preload your audio and video file from setting and recheck your page your problem of waiting for available socket will resolved ...

if you use jplayer then replace preload:"metadata" to preload:"none" from jplayer JS file ...

preload:"metadata" is the default value which play your audio/video file on page load thats why google chrome showing "waiting for available socket" error

Explanation:

This problem occurs because Chrome allows up to 6 open connections by default. So if you're streaming multiple media files simultaneously from 6 <video> or <audio> tags, the 7th connection (for example, an image) will just hang, until one of the sockets opens up. Usually, an open connection will close after 5 minutes of inactivity, and that's why you're seeing your .pngs finally loading at that point.

Solution 1:

You can avoid this by minimizing the number of media tags that keep an open connection. And if you need to have more than 6, make sure that you load them last, or that they don't have attributes like preload="auto".

Solution 2:

If you're trying to use multiple sound effects for a web game, you could use the Web Audio API. Or to simplify things, just use a library like SoundJS, which is a great tool for playing a large amount of sound effects / music tracks simultaneously.

Solution 3: Force-open Sockets (Not recommended)

If you must, you can force-open the sockets in your browser (In Chrome only):

1. Go to the address bar and type chrome://net-internals.
2. Select Sockets from the menu.
3. Click on the Flush socket pools button.

This solution is not recommended because you shouldn't expect your visitors to follow these instructions to be able to view your site.