Cannot connect to the server. Please check your server URL and Internet connection

Troubleshooting Mobile Apps
1

Hi!

Mattermost is going ok in Desktop. But I can not connect by Android APP.

The error message is: “Cannot connect to the server. Please check your server URL and Internet connection”

I check the ssl certificate on sslabs web site:

Chain issue incomplete

How can i fix it? I used letsencrypt.

My directory has 4 files /mattermost-docker/volumes/web/cert:

cert.pem
fullchain.pem
key-no-password.pem
chain.pem

Docker-compose config is:

web:
build: web
ports:
- “80:80”
- “443:443”
read_only: true
restart: unless-stopped
volumes:
# This directory must have cert files if you want to enable SSL
- ./volumes/web/cert:/cert:ro
- /etc/localtime:/etc/localtime:ro
# Uncomment for SSL
environment:
- MATTERMOST_ENABLE_SSL=true

2

Hi @nabuke,

Have you checked if some of these threads might help:

3

Thanks @amy.blais

I understand it is a Missing intermediate certificates. How can i fix it?