Messenger InstantGames - web request works fine on Messenger webpage, but fails when played through Messenger...





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I have a game written in TypeScript uploaded into Facebook Instant Games. I have a super simple call to obtain real timestamp from my own server.



I managed to get it working after uploading a build into InstantGames and after facing issues with CORS. I get proper response with status 200.



However, there is an issue with the same request, but from InstantGame played through Messenger app, both on iOS and android. I tried to put as match logs as possible, with no reasonable answer.



I am creating XMLHttpRequest(), when the game is started on desktop browser I finally get:



xhr.readyState == 4 and xhr.status == 200.



I am using https url.



On mobile Messenger, I get only xhr.readyState == 4 and xhr.status == 0.



I also tried with moving from XMLHttpRequest() into fetch(), same behavior - on desktop browser it works fine, on mobile I get:



I/chromium(22226): [INFO:CONSOLE(0)] "Uncaught (in promise) TypeError: Failed to fetch"



Server code:



<?php
header('Access-Control-Allow-Origin: https://my-app-id.apps.fbsbx.com');
$date = new DateTime();
echo $date->getTimestamp();
?>


Any ideas why is it failing when played by mobile Messenger app and how to fix it properly?










share|improve this question























  • Did you ever solve this? I'm having the exact same problem...

    – Eliezer Berlin
    2 days ago


















1















I have a game written in TypeScript uploaded into Facebook Instant Games. I have a super simple call to obtain real timestamp from my own server.



I managed to get it working after uploading a build into InstantGames and after facing issues with CORS. I get proper response with status 200.



However, there is an issue with the same request, but from InstantGame played through Messenger app, both on iOS and android. I tried to put as match logs as possible, with no reasonable answer.



I am creating XMLHttpRequest(), when the game is started on desktop browser I finally get:



xhr.readyState == 4 and xhr.status == 200.



I am using https url.



On mobile Messenger, I get only xhr.readyState == 4 and xhr.status == 0.



I also tried with moving from XMLHttpRequest() into fetch(), same behavior - on desktop browser it works fine, on mobile I get:



I/chromium(22226): [INFO:CONSOLE(0)] "Uncaught (in promise) TypeError: Failed to fetch"



Server code:



<?php
header('Access-Control-Allow-Origin: https://my-app-id.apps.fbsbx.com');
$date = new DateTime();
echo $date->getTimestamp();
?>


Any ideas why is it failing when played by mobile Messenger app and how to fix it properly?










share|improve this question























  • Did you ever solve this? I'm having the exact same problem...

    – Eliezer Berlin
    2 days ago














1












1








1








I have a game written in TypeScript uploaded into Facebook Instant Games. I have a super simple call to obtain real timestamp from my own server.



I managed to get it working after uploading a build into InstantGames and after facing issues with CORS. I get proper response with status 200.



However, there is an issue with the same request, but from InstantGame played through Messenger app, both on iOS and android. I tried to put as match logs as possible, with no reasonable answer.



I am creating XMLHttpRequest(), when the game is started on desktop browser I finally get:



xhr.readyState == 4 and xhr.status == 200.



I am using https url.



On mobile Messenger, I get only xhr.readyState == 4 and xhr.status == 0.



I also tried with moving from XMLHttpRequest() into fetch(), same behavior - on desktop browser it works fine, on mobile I get:



I/chromium(22226): [INFO:CONSOLE(0)] "Uncaught (in promise) TypeError: Failed to fetch"



Server code:



<?php
header('Access-Control-Allow-Origin: https://my-app-id.apps.fbsbx.com');
$date = new DateTime();
echo $date->getTimestamp();
?>


Any ideas why is it failing when played by mobile Messenger app and how to fix it properly?










share|improve this question














I have a game written in TypeScript uploaded into Facebook Instant Games. I have a super simple call to obtain real timestamp from my own server.



I managed to get it working after uploading a build into InstantGames and after facing issues with CORS. I get proper response with status 200.



However, there is an issue with the same request, but from InstantGame played through Messenger app, both on iOS and android. I tried to put as match logs as possible, with no reasonable answer.



I am creating XMLHttpRequest(), when the game is started on desktop browser I finally get:



xhr.readyState == 4 and xhr.status == 200.



I am using https url.



On mobile Messenger, I get only xhr.readyState == 4 and xhr.status == 0.



I also tried with moving from XMLHttpRequest() into fetch(), same behavior - on desktop browser it works fine, on mobile I get:



I/chromium(22226): [INFO:CONSOLE(0)] "Uncaught (in promise) TypeError: Failed to fetch"



Server code:



<?php
header('Access-Control-Allow-Origin: https://my-app-id.apps.fbsbx.com');
$date = new DateTime();
echo $date->getTimestamp();
?>


Any ideas why is it failing when played by mobile Messenger app and how to fix it properly?







android ios facebook-messenger facebook-instant-games






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asked Nov 26 '18 at 19:34









kreyskreys

918420




918420













  • Did you ever solve this? I'm having the exact same problem...

    – Eliezer Berlin
    2 days ago



















  • Did you ever solve this? I'm having the exact same problem...

    – Eliezer Berlin
    2 days ago

















Did you ever solve this? I'm having the exact same problem...

– Eliezer Berlin
2 days ago





Did you ever solve this? I'm having the exact same problem...

– Eliezer Berlin
2 days ago












1 Answer
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Not sure if this is what you hit, but the messenger apps don't like HTTP/2. Lost several hours of my life on figuring that out.






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    Not sure if this is what you hit, but the messenger apps don't like HTTP/2. Lost several hours of my life on figuring that out.






    share|improve this answer




























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      Not sure if this is what you hit, but the messenger apps don't like HTTP/2. Lost several hours of my life on figuring that out.






      share|improve this answer


























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        0







        Not sure if this is what you hit, but the messenger apps don't like HTTP/2. Lost several hours of my life on figuring that out.






        share|improve this answer













        Not sure if this is what you hit, but the messenger apps don't like HTTP/2. Lost several hours of my life on figuring that out.







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        answered Jan 12 at 21:59









        Jim LakeJim Lake

        411




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