Function 'patchPropertiesCorrespondToPutProperties' threw an exception: Cannot read property 'length' of undefined

[abatishchev]

Describe the bug

I discovered the following errors in the logs of ~[NotRequired_Staging] Swagger LintDiff failed for a PR for my RP:

 - FATAL
spectralPluginFunc: Failed validating: 'file:///mnt/vss/_work/1/azure-rest-api-specs-pr/specification/throttling/resource-manager/Microsoft.Throttling/preview/2022-06-01-preview/throttling.json'. Errors encountered:
Error: Error running Nimma
Error 1: $[paths,'x-ms-paths'].* threw: ErrorWithCause("Function \"patchPropertiesCorrespondToPutProperties\" threw an exception: Cannot read property 'length' of undefined")
Error 2: $[paths,'x-ms-paths'].* threw: ErrorWithCause("Function \"patchPropertiesCorrespondToPutProperties\" threw an exception: Cannot read property 'length' of undefined")
Error 3: $[paths,'x-ms-paths'].* threw: ErrorWithCause("Function \"patchPropertiesCorrespondToPutProperties\" threw an exception: Cannot read property 'length' of undefined")
Error 4: $[paths,'x-ms-paths'].* threw: ErrorWithCause("Function \"patchPropertiesCorrespondToPutProperties\" threw an exception: Cannot read property 'length' of undefined")
Error 5: $[paths,'x-ms-paths'].* threw: ErrorWithCause("Function \"patchPropertiesCorrespondToPutProperties\" threw an exception: Cannot read property 'length' of undefined")
Error 6: $[paths,'x-ms-paths'].* threw: ErrorWithCause("Function \"patchPropertiesCorrespondToPutProperties\" threw an exception: Cannot read property 'length' of undefined")
Error 7: $[paths,'x-ms-paths'].* threw: ErrorWithCause("Function \"patchPropertiesCorrespondToPutProperties\" threw an exception: Cannot read property 'length' of undefined")

See https://dev.azure.com/azure-sdk/internal/_build/results?buildId=3154242&view=logs&j=688669d0-441c-57c3-cf6d-f89a22ccfa5d&t=b91b1e88-b042-5e18-36d8-34e4fb3a9b3b&l=619

To Reproduce

N/A

Expected behavior

The function should handle incorrect input gracefully.

Screenshots

N/A

Desktop (please complete the following information):

N/A

Additional context

N/A

[abhishek-msft]

Yes, got the same issue in our PR build as well.
https://github.com/Azure/azure-rest-api-specs-pr/pull/15304/checks?check_run_id=17595166341

[alexandrami22]

Also the same issue here: https://github.com/Azure/azure-rest-api-specs-pr/pull/14856/checks?check_run_id=17598264549

[wchigit]

same issue here: https://github.com/Azure/azure-rest-api-specs-pr/pull/15006/checks?check_run_id=17484970136

[jacote-msft]

Same issue:
https://github.com/Azure/azure-rest-api-specs-pr/pull/15715/checks?check_run_id=18313804264

[abhishek-msft]

[NotRequired_Staging] check can be ignored and it does not block the merging of the PR. It didn't block our PR from merging.

[abhishek-msft]

I think, what I also learned was Swagger ApiView check failure also doesn't block the merge apart from the [NotRequired_Staging] check.