# EXTENSION hosted testing **URL:** \ **Category:** Extensions\ **Created:** [May 18, 2018, 8:13pm UTC](https://discuss.dev.twitch.com/t/extension-hosted-testing/15867 "2018-05-18T20:13:57Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![BarryCarlyon](https://d3ovvz0v2ajtpu.cloudfront.net/user_avatar/discuss.dev.twitch.com/barrycarlyon/32/253_2.png) [@BarryCarlyon](https://discuss.dev.twitch.com/u/BarryCarlyon)\ **Post date:** [May 19, 2018, 10:05am UTC](https://discuss.dev.twitch.com/t/extension-hosted-testing/15867/2 "2018-05-19T10:05:29Z")
See the following posts > [@Hosted Test - 404 Not Found NoSuchKey The specified key does not exist](https://discuss.dev.twitch.com/t/hosted-test-404-not-found-nosuchkey-the-specified-key-does-not-exist/12025): > > Trying to do a hosted test and getting a 404 “NoSuchKey” exception. I am using the boilerplate template and have it working on my local, what am i missing? Here is a screenshot of the error: [https://photos.app.goo.gl/xRAsaBAJaS5Maovo2](https://photos.app.goo.gl/xRAsaBAJaS5Maovo2) > [@Having issue with Hosted Assets](https://discuss.dev.twitch.com/t/having-issue-with-hosted-assets/12569): > > Hello, I was doing a hosted test before and everything was working fine and recently I uploaded the same assets except with one added .js file and a fonts folder and now when I move into hosted test I just get a 404 on my config and viewer pages. I waited 3 days and same thing is happening. Also I tried to re upload but no luck. Previous working folder structure: frontend.zip |-\> viewer.html |-\> config.html |-\>js |-\>viewer.js etc. that is what it looks like when you unzip and that was w… > [@\[SOLVED\] 404, The specified key does not exist](https://discuss.dev.twitch.com/t/solved-404-the-specified-key-does-not-exist/11921): > > So I have been working on a panel extension for my stream and I got past the local testing, everything was working fine. I uploaded the files in a .zip to Twitch. I followed all the guides, made sure to include the extension helper JS file, but I am getting a 404 error when it tries to load the extension files form the Twitch CDN. I have tried created a new extension and uploaded the example project that Twitch has in the documentation to see if the issue would still happened and it did. I’m no… --- _[View the full topic](https://discuss.dev.twitch.com/t/extension-hosted-testing/15867)._