GCM XMPP SSL problem?

[Marek Hladky]

Hi

I am developing app that use GCM. A used a python sample for the server from the official guide (https://developer.android.com/google/gcm/ccs.html#python).

That works for about a week and  i was able to send notifications. But today it stops working and ends like this: http://pastebin.com/kFVEn82r

Any ideas what went wrong?

thank you

Marek

[Flash Bump]

I experience the same issue.

Everything has been working correctly for months (C server + stunnel), but today, after sending xmpp auth request:

<auth mechanism="PLAIN" xmlns="urn:ietf:params:xml:ns:xmpp-sasl">abc=</auth>

there is no answer from the connected GCM server, and the TCP connection gets cleared.

What is surprising is that using bad credentials leads to an answer (auth refused).

<failure xmlns="urn:ietf:params:xml:ns:xmpp-sasl"><not-authorized/></failure>

I am not sure it is an SSL issue.

I have no idea about what went wrong really, neither.

F.

[Kiran Bagga]

Hey

Are you still facing this issue? 

Is this problem reproducible? If yes, can you provide some details on how to reproduce the error, it would help is finding the cause and resolving the issue! Thanks.

[Ben Garrison]

If it is reproducible, can you try connecting to port 5237 and see if it repros there?  It would help with debugging the issue.

[Flash Bump]

Hi,

Yes, I still face the issue, which is absolutely reproductible.

Actually, i try to reconnect every 10 seconds, and it always ends up the same way: after plain auth xmpp stanza sent, the server drops the connection about 20/25 seconds after.

There is no answer, not "project not whitelisted" or "authentification failed".

It makes the service unusable for me.

If I provide wrong credentials, GCM servers do answer.  

I never witnessed such a behaviour since i started using GCM/CCS (about 5 month ago).

Maybe there is a problem with my Google account (although console doesn't show any trouble)?

Does anyone successfully use GCM/CCS as of now?

What kind of details do you need?

François. 

[Flash Bump]

Connecting GCM servers on tcp:5237 leads to a different behaviour.

There is answer from server at all, after 

<?xml version="1.0"?><stream:stream to="gcm.googleapis.com" xml:lang="en" version="1.0" xmlns="jabber:client" xmlns:stream="http://etherx.jabber.org/streams">

is sent.

F.

[Ben Garrison]

On Fri Oct 03 2014 at 11:38:41 AM Flash Bump <com.fl...@gmail.com> wrote:

Connecting GCM servers on tcp:5237 leads to a different behaviour.

There is answer from server at all, after 

Sorry, did you mean "there is no answer"?
 

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[Flash Bump]

Yes, NO answer. Sorry for the typo.

[Flash Bump]

My fault here, port 5237 was closed ro remote conn, hence the "no answer".

Once opened, the initial issue is the same.

F.

[Ben Garrison]

Thanks.  Do you have an idea of when this started failing? We're pushing an update right now that should be done in the next half hour that might fix the problem.

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[François Perret]

It started about 8 ago i would say.

F.

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[Flash Bump]

8 hours ago, I would say.

F.

[Flash Bump]

Works again!

Many thanks.

Keep up the good job, this service is amazingly useful.

F.

[Ben Garrison]

Great!  Let us know if you see any further problems.

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