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Diffstat (limited to 'doc/install/Troubleshooting.md')
| -rw-r--r-- | doc/install/Troubleshooting.md | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/doc/install/Troubleshooting.md b/doc/install/Troubleshooting.md index 46efc61fa..7166f9978 100644 --- a/doc/install/Troubleshooting.md +++ b/doc/install/Troubleshooting.md @@ -8,10 +8,23 @@ #### Common Issues -##### Error message in logs when attempting to sign-up: `x509: certificate signed by unknown authority` - - This error may appear when attempt to use a self-signed certificate to setup SSL, which is not yet supported by Mattermost. You can resolve this issue by setting up a load balancer like Ngnix. A ticket exists to [add support for self-signed certificates in future](x509: certificate signed by unknown authority). - ##### Lost System Administrator account - If the System Administrator account becomes unavailable, a person leaving the organization for example, you can set a new system admin from the commandline using `./platform -assign_role -team_name="yourteam" -email="you@example.com" -role="system_admin"`. - After assigning the role the user needs to log out and log back in before the System Administrator role is applied. +#### Error Messages + +The following is a list of common error messages and solutions: + +###### `Please check connection, Mattermost unreachable. If issue persists, ask administrator to check WebSocket port.` +- Message appears in blue bar on team site. +- **Solution:** Check that [your websocket port is properly configured](https://github.com/mattermost/platform/blob/master/doc/install/Production-Ubuntu.md#set-up-nginx-server). + + +###### `x509: certificate signed by unknown authority` in server logs when attempting to sign-up + - This error may appear when attempt to use a self-signed certificate to setup SSL, which is not yet supported by Mattermost. You + - **Solution:** Set up a load balancer like Ngnix [per production install guide](https://github.com/mattermost/platform/blob/master/doc/install/Production-Ubuntu.md#set-up-nginx-with-ssl-recommended). A ticket exists to [add support for self-signed certificates in future](x509: certificate signed by unknown authority). + +###### `panic: runtime error: invalid memory address or nil pointer dereference` + - This error can occur if you have manually manipulated the Mattermost database, typically with deletions. Mattermost is designed to serve as a searchable archive, and manual manipulation of the database elements compromises integrity and may prevent upgrade. + - **Solution:** Restore from database backup created prior to manual database updates, or reinstall the system. |