Mattermost version 2.11.0 reporting bugs in the mobile app ever since the upgrade.

[dvalencia11]

Desktop version - 5.2.2 ( No issues reported)
Server version - 8.1.7
Android & iOS - 2.11.0 updated 12/23/23 (Issues are reported in our firm)

• Devices are enrolled in MDM
• Devices are not ROOTED
• We are not mocking our location however we are using a VPN for mattermost.

Observed behavior

1. Two-way convos are not updating dynamically; you have to back out of DM go home and back into the DM
2. When opening the application on top of the page there is an error banner " The server is not reachable ". Even though the server is not reachable, messages can still be sent but not dynamically."

[amyblais]

Hi @dvalencia11,

1. Would you be able to help share a more detailed description as well as reproduction steps for this issue?
2. Would you be able to help share more details on this issue, e.g.

• Do you see any errors in your server logs
• Are you able to connect to your server on your mobile browser?
• Are you able to connect to our community server on the mobile app?

[enahum]

This is indeed a problem with your WebSocket not connecting I would encourage your team to check the networking to see why the WS is failing to connect.

If using MDM you are wrapping the app in a container, is very well known that most MDM's do not support WS connections, so weapping the app in containers is not officially supported

[dvalencia11]

Thank you I will let our networking dept know about this.

[dvalencia11]

I just spoke to the networking dept and they mentioned they checked all that and saw all traffic being passed through, nothing was being rejected in the firewall. @enahum

[enahum]

I just spoke to the networking dept and they mentioned they checked all that and saw all traffic being passed through, nothing was being rejected in the firewall. @enahum

It does not need to be rejected but the http connection seems not to be upgrading to ws.

Everything you described in the issue is pointing out to the fact that the WebSocket connection is not established.

This can be for multiple reasons. One of them already listed above, another is a reverse proxy configuration, losd balancers etc..

As Amy pointef out, try and connect to our community server and see if you face the same problem, if you do we can look at the MDM config or VPN if not then must be something with your server deployment

[dvalencia11]

Hello this is an update from the Networking and developing side:

The networking responded with "It seems the issue persists when connecting via the web which I think would eliminate any MDM or reverse proxy. Can you provide me with an update and see their response?"

Thank you,

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(Development response)
Subject: Re: #42590: [Mattermost] Re: Mobile client not updating conversations / shows no internet connection

FYI, one more interesting thing. I can duplicate the original issue by logging in to mobile-chat internally, using a different account to chat myself. This is a view with the developer tools enabled:

So far, I can’t get the developer tools to give me any additional info, but I’ll keep playing with it …