user_script:70: too many results to unpack

[yixiangfeng]

Description

my job queue processor some time can complete and no throw the unpack error. after few time the job will return the unpack error.

Minimal, Working Test code to reproduce the issue.

(An easy to reproduce test case will dramatically decrease the resolution time.)

Bull version

v4.10.4

Additional information

my redis have 19 queues
some queues will have repeat job

how to solve the problem

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[matt-moven]

We also ran into this bug and traced it down to the collectMetrics function in "moveToFinished-9.lua". We set metrics.maxDataPoints to 1. In moveToFinished, collectMetrics tries to add the current metric and also fill in zero values for all the missed seconds, and then trims that list down to maxDataPoints. If a queue sees no jobs for enough time, and then processes a job and tries to update its metrics, the unpack() with one metric and many zeros fails with error "too many results to unpack".

bull/lib/commands/moveToFinished-9.lua

Line 70 in 886d764

rcall("LPUSH", dataPointsList, unpack(points))

[matt-moven]

Reopened as #2764