After updating today to the build 3.6.0.beta2-latest ( bf4d07a89c ) I noticed this error in the logs. This is the first time I’ve ever seen this error. The last time this error was reported on the forum was in 2020. How can I debug this further? What can cause this and what’s the impact? Everything a…

Hasn’t happened since, will keep an eye on it

Well now I’m seeing this error in the logs related to sidekiq and redis - never seen this error before the latest upgrade Message Job exception: Unsupported command argument type: TrueClass Backtrace /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/redis-client-0.26.1/lib/redis_client/command_bu…

And this error is happening repeatedly, not a one off.

Is your site at all adversely affected? If not, I wouldn’t worry about this so much.

Ok. FYR, it looks like this error can cause sidekiq to stop working and is supposed to be fixed in a newer version of sidekiq but not sure if discourse needs to make changes to incorporate this fix in their API’s https://github.com/mhenrixon/sidekiq-unique-jobs/pull/815

Sidekiq heartbeat test failed in build 3.6.0 beta 2

Support

tobiaseigen (Tobias Eigen) October 24, 2025, 5:44pm 2

Looks like your topic didn’t find any takers, so nobody had any immediate ideas how to help you. Were you able to resolve your issue or did it go away by itself?

Topic		Replies	Views
Sidekiq heartbeat test failed, restarting Self-hosting	11	2117	January 12, 2020
Failed upgrade from 3.5.0.beta8-dev to 3.6.0.beta1 Self-hosting	5	137	October 14, 2025
After a clean install : Sidekiq error Bug	17	2468	December 7, 2015
"Ensure sidekiq is running." when it is definitely running Self-hosting	18	7885	October 2, 2015
Sidekiq not running Self-hosting	21	5381	June 19, 2017

Sidekiq heartbeat test failed in build 3.6.0 beta 2

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