Arvados

It just says "Loading tags..." forever.

https://workbench.ce8i5.arvadosapi.com/collections/ce8i5-4zz18-m1nql1u0n2hooqt#Tags

(From chat) might be a different error, on requesting the collection record:

Jan 30 19:03:20 ce8i5.arvadosapi.com arvados-controller[69348]: {"PID":69348,"RequestID":"req-td85nh8ihu6u1c6kzauv","level":"info","msg":"request","remoteAddr":"127.0.0.1:42758","reqBytes":0,"reqForwardedFor":"152.170.154.130","reqHost":"ce8i5.arvadosapi.com","reqMethod":"GET","reqPath":"arvados/v1/collections","reqQuery":"filters=%5B%5B%22uuid%22%2C%22%3D%22%2C%22ce8i5-4zz18-m1nql1u0n2hooqt%22%5D%5D\u0026select=%5B%22properties%22%5D","time":"2020-01-30T19:03:20.364084667Z"}
Jan 30 19:03:20 ce8i5.arvadosapi.com arvados-controller[69348]: {"PID":69348,"RequestID":"req-td85nh8ihu6u1c6kzauv","level":"info","msg":"response","remoteAddr":"127.0.0.1:42758","reqBytes":0,"reqForwardedFor":"152.170.154.130","reqHost":"ce8i5.arvadosapi.com","reqMethod":"GET","reqPath":"arvados/v1/collections","reqQuery":"filters=%5B%5B%22uuid%22%2C%22%3D%22%2C%22ce8i5-4zz18-m1nql1u0n2hooqt%22%5D%5D\u0026select=%5B%22properties%22%5D","respBody":"{\"errors\":[\"cannot make progress in federated list query: cluster \\\"ce8i5\\\" returned 1 items but none had the requested UUIDs\"]}\n","respBytes":129,"respStatus":"Bad Gateway","respStatusCode":502,"time":"2020-01-30T19:03:20.377458078Z","timeToStatus":0.013358,"timeTotal":0.013371,"timeWriteBody":0.000012}

Seems to be a controller bug.