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Regional FlagTimeout Issues Affecting all Battle.net SitesSource
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Tsmsapu
Target Source
#1 - 2014/01/11 08:25:00 PM
So, I sent an email to [email protected] last Tuesday regarding some timeout issues I was having on a development server (no response to that email yet), but it appears to have become much more widespread since then and is now affecting users of the TradeSkillMaster Application (http://tradeskillmaster.com/tsm_app). For some perspective, by our estimates, there are about 10k unique (and actively running) installs of this application.

We've had many people come into our IRC channel saying they are seeing issues with the application which we've determined to be related to one of the battle.net API's timing out. There are also a bunch of people reporting issues on our forums:
http://stormspire.net/official-tradeskillmaster-development-forum/13289-tsm-desktop-app- auctiondb-not-updating.htm
http://stormspire.net/official-tradeskillmaster-development-forum/13301-setup-wont-allow-me-pick-sever.html

Here's an example of a curl timeout I am getting from an authenticated request:
URL: http://us.battle.net/api/wow/auction/data/Aegwynn?
* About to connect() to us.battle.net port 80 (#0)
* Trying 12.129.242.40... * connected
* Connected to us.battle.net (12.129.242.40) port 80 (#0)
> GET /api/wow/auction/data/Aegwynn? HTTP/1.1
Accept: */*
Accept-Encoding: deflate, gzip
Host: us.battle.net
Date: Tue, 07 Jan 2014 8:51:52 UTC

Authorization: BNET <SNIP>

* Operation timed out after 10001 milliseconds with 0 bytes received
* Closing connection #0
http Code: 0
URL: http://us.battle.net/api/wow/auction/data/Aegwynn?
* About to connect() to us.battle.net port 80 (#0)
* Trying 12.129.242.40... * Timeout
* connect() timed out!
* Closing connection #0
http Code: 0


It seems that if I retry urls which are timing out a few times and then stop whatever program is making these requests, I will still be consistently unable to connect for some time afterwards (usually around 10 minutes). Even if I try connection to http://us.battle.net/en in a browser (or these forums, or any other us.battle.net website), my browser will be unable to and eventually time out.

EDIT 1/11 4pm PST:
http://dev.tradeskillmaster.com/timeouts.php

That page will display how many people have run into this issue that we've detected. It is as of r209 of the TSM application that we are tracking this issue, which was just released ~1 hour ago.

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Battle.net Developer
Target Source
#279 - 2014/01/21 10:30:00 PM
Timeouts are very odd to see. Can you guys let me know what ISP's and locations you are seeing timeouts from (city level is fine, don't need specifics). I'm also asking some server admins if they see anything on their end that could be causing this.

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Battle.net Developer
Target Source
#301 - 2014/01/22 03:40:00 PM
The server admins said that until yesterday (and hearing about this) there was some DDos prevention migration stuff in place in front of our internet connection, but this has been removed now. Let me know if this continues or if that was it.

Thanks!

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Battle.net Developer
Target Source
#329 - 2014/01/23 05:09:00 AM
I passed all of this along to the server team, will keep looking into it :-(

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Battle.net Developer
Target Source
#430 - 2014/01/31 05:30:00 PM
I've downloaded this app and get the same timeouts that you guys do despite being able to hit the auction api urls's directly with no issues. My server team can't find any evidence that requests are being blocked at a level above us (our ISPs) but at the same time our logs are showing nothing about timeouts or errors.

When auction data is down or delayed we often get a huge amount of emails from other sites (Undermine journal, etc) and I haven't received any emails from any of them. I'm working with the TSM authors to try and figure this out... but please be aware we do care about this issue, but are no having no luck duplicating any api timeouts except via this app.

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Battle.net Developer
Target Source
#431 - 2014/01/31 05:42:00 PM
TSM is looking into this from their end now since they also do not see any timeouts from their servers (They did during the DDOSing events two weeks ago but haven't seen anything since). It looks like they will be able to solve this with an app update. He'll let me know if they see any more issues from the API.

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Battle.net Developer
Target Source
#433 - 2014/01/31 07:03:00 PM
01/31/2014 10:33 AMPosted by Yocoliah
I just noticed actual timeouts while querying the AH API for the first time starting less than an hour ago (I got a succesfull download 45 minutes ago still). Did something change in the past hour?

Edit: some more info: My last succesful download was at 17:46 UTC for Stormrage(EU). A download started at 17:57 UTC for Arathor(EU) failed because the data downloaded was malformed, another try for the same 10 minutes later hit a timeout (after 11 minutes). Note that the download for the initial key file for the AH data works, it is the big download with actual AH data that times out.


Was this within the TSM app or are you downloading it via curl/wget or something else?

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Battle.net Developer
Target Source
#436 - 2014/01/31 07:26:00 PM
01/31/2014 11:18 AMPosted by Yocoliah
This was with my own homebrew application (Written in C#, so using the .NET infrastructure for networking). I just checked my computer at the office (using a different network and ISP), and there the exact same application seems to be still running without any trouble.

What I just observed here at home is that a transfer did complete, but only delivered the first 700k of the file, then got interrupted. I'll see if a computer and router reboot helps


I have never used C# so excuse any obvious questions, but is there some sort of system level limit on downloads, or timeout settings that can be played with? Could it just have a problem downloading the ~5-10 meg file?

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Battle.net Developer
Target Source
#437 - 2014/01/31 07:29:00 PM
It might also be telling that when I google telia.net I immediate get links to wow and d3 posts from the past 2 years dealing with connection issues (to the games)... we might be hitting the same thing Yocoliah.