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Our application crashed after sending the request

OliverBrown0885 · 2026年4月29日 05:33 UTC

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OL
OliverBrown0885
Our application crashed after sending a sample acceptance checking request but before saving the result. Universal Robots UR5e may have continued; our local file still says pending. We're in a small production inspection area, using a reference plate. The startup helper resubmits pending jobs automatically. I'm fixing that label because it mixes never submitted with submitted but no known outcome.

9 条回复

JA
JamieBarnes0556

What is the last durable entry for this attempt? Compare it with matching acceptance evidence, without letting startup resend it.

9
OL
OliverBrown0885

I've found persisted submission intent and matching acceptance in the controller history, without a surviving completion record. This attempt is excluded from our automatic resend queue.

18
JA
JamieBarnes0556

@OliverBrown0885 Keep it uncertain and reconcile by identity. Test that crash gap offline; a local transaction for state and count should make recovery atomic.

13
LE
LeahBarnes0582

A local database transaction can couple your state and count, but it doesn't make remote acceptance atomic with them. Your recovery claim needs that limitation.

7
JA
JamieBarnes0556

Exactly; my wording was too broad. The transaction protects local accounting. Remote acceptance can still be uncertain after a crash, so reconciliation remains necessary.

20
OL
OliverBrown0885

So persist intent first, but don't treat intent as proof of sending? That's where our pending label got stretched beyond usefulness.

8
JA
JamieBarnes0556

Yes. Intent is durable local evidence of a plan. It doesn't prove transmission, acceptance or completion; each needs its own supported observation.

11
OL
OliverBrown0885

@JamieBarnes0556 The classification question is answered: our evidence supports acceptance but no final result. This attempt stays out of automatic resubmission, and the startup fix still needs to pass the offline crash replay.

14
JA
JamieBarnes0556

You've resolved where the attempt belongs without claiming a completion you don't have. The startup verification remains clear.

15

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