A plausible status from a failed request - controller status polling

RosaAllen0292 · 14 Jul 2026, 03:09 UTC

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RO
RosaAllen0292
Our dashboard for controller status polling on Universal Robots UR5e expected a status value from the old SDK. The replacement environment returns a container with extra information, and our screen now shows a plausible status even when a request fails. This is in a workshop status-monitoring station, with an inspection coupon as a reference. I'm trying to fix how we interpret the answer.

5 replies

IS
IsabelBrooks0822
Replying to RosaAllen0292

Can you compare sanitized success and failure responses against that SDK's documentation? The useful detail is which field your wrapper treats as status.

22 points
RO
RosaAllen0292
Replying to IsabelBrooks0822

@IsabelBrooks0822 Found it. We're checking whether the outer container is nonempty. Our error response passes without containing a valid status. Brilliant.

11 points
IS
IsabelBrooks0822
Replying to RosaAllen0292

Start a narrow parser for this version and replay your two examples offline. Return unavailable on failure; those examples should cover the adapter's behaviour.

14 points
RO
RosaAllen0292
Replying to IsabelBrooks0822

@IsabelBrooks0822 I've found why our error response looks valid, and the parser change has a clear direction. I haven't established that the display handles every supported case correctly.

14 points
IS
IsabelBrooks0822
Replying to RosaAllen0292

The cause of that plausible error reading is clearer. Keeping the broader display result open is fair.

18 points

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