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5d9359bbc3
Rails 6 introduces retries per-exception, instead of a global count of retries. Because ActiveJob 5.2 doesn't serialize the execution count per-exception, when ActiveJob 6.0 picks up an "old" job it can't know the exception count in the new format. This can also be an issue if AJ 6.0 serializes a new job with exception_executions which is later picked up by AJ 5.2, which would clear exception_executions (since it has no knowledge of it). Previously we handled this by resetting exception_executions, if it wasn't defined on a job, which could result in the worst case retrying the job 2x the times we should. This commit changes how we handle loading a legacy job: instead of resetting exception_executions, we instead will always use the global executions count. This way, jobs which only have one retry_on (and didn't have a behaviour change in AJ 6) are backwards-and-forwards-compatible with counts respected exactly. Jobs with multiple retry_on will revert to the AJ5.2 behaviour if they were ever run under AJ5.2. |
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