Summary The instructions on the Local Machine Setup using Docker page, to be used for quick mattermost evaluation on a docker host, are not working. Steps to reproduce On docker host, run the specified command (ie “docker run --name mattermost-preview -d --publish 8065:8065 --add-host dockerhost:127.0.0.1 mattermost/mattermost-preview”). Expected behavior A mattermost service should have been running on my host on port 8065. Observed behavior The container had exited with error code 1. Looking in the logs, I have the following (trying to strip out irrelevant messages): 2021-01-11 21:14:51+00:00 [Note] [Entrypoint]: Creating database mattermost_test 2021-01-11 21:14:51+00:00 [Note] [Entrypoint]: Creating user mmuser 2021-01-11 21:14:51+00:00 [Note] [Entrypoint]: Giving user mmuser access to schema mattermost_test 2021-01-11 21:14:51+00:00 [Note] [Entrypoint]: Stopping temporary server 2021-01-11T21:14:51.810197Z 0 [Note] Giving 0 client threads a chance to die gracefully [...] 2021-01-11T21:14:53.625329Z 0 [Note] InnoDB: Shutdown completed; log sequence number 12617575 [...] 2021-01-11 21:14:53+00:00 [Note] [Entrypoint]: Temporary server stopped 2021-01-11 21:14:53+00:00 [Note] [Entrypoint]: MySQL init process done. Ready for start up. [...] 2021-01-11T21:14:53.994402Z 0 [Note] mysqld (mysqld 5.7.32) starting as process 7 ... [...] 2021-01-11T21:14:54.120327Z 0 [Note] mysqld: ready for connections. Version: '5.7.32' socket: '/var/run/mysqld/mysqld.sock' port: 3306 MySQL Community Server (GPL) Updating CA certificates Starting platform Error: failed to load configuration: unable to load on store creation: parsing error at line 109, character 42: json: cannot unmarshal string into Go struct field TeamSettings.TeamSettings.ExperimentalDefaultChannels of type []string Usage: mattermost [flags] mattermost [command] Available Commands: channel Management of channels [...]

Hello, @rara I’m sorry to hear you’re having issues, I hope we can help! @jasonblais does this look like it’s a build error with the syntax to you as well?

If it helps, I tried the older version of the docker image (mattermost-preview:5.26.0) and it worked fine. That might help locate the problem. So it’s not urgent for me, anymore. But it might be good to fix this for your next release.

Looks like something may have gone wrong. I’ll share with our DevOps team. Thanks for reporting it @rara, and glad to hear a previous version is working fine for you! Edit: I’ll post back here once I’ve heard back from the team.

I have the same error when starting the newest version on docker: Error: failed to load configuration: unable to load on store creation: parsing error at line 109, character 42: json: cannot unmarshal string into Go struct field TeamSettings.TeamSettings.ExperimentalDefaultChannels of type string stderr Older version still works.

Thanks for letting us know! The issue was escalated last week, and our build engineer will be looking at this error soon.

Hello, I am trying to run it on macOS and I am getting the same errors.

This MR is currently up to fix the issue: Fix ExperimentalDefaultChannels by icelander · Pull Request #57 · mattermost/mattermost-docker-preview · GitHub

Local Machine Setup using Docker not working

Troubleshooting

XxLilBoPeepsxX January 12, 2021, 2:44pm 5

Sounds good, thank you!

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Local Machine Setup using Docker not working

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