PYTHON-4038: Ensure retryable read OperationFailure
s re-raise exception when 0 or NoneType error code is provided.
#1425
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
TICKET: https://jira.mongodb.org/browse/PYTHON-4038
Pymongo is retrying a failed find connection ONCE that has a 0 or NoneType error code.
This is undesired behavior because if, theoretically, we introduce an error type that does not have an error code but is an instance of an
OperationFailure
, we will mistakenly retry leading to unexpected consequences.Added 3 tests: