Fix NullReferenceException in PopulateGrpcTrailers#581
Merged
Conversation
…ailers FirstOrDefault() on HeaderFieldInfo (a reference type) returns null when no matching grpc-status/grpc-message trailer is found. The existing code accessed .Name.Length on the null result, causing a NullReferenceException. Replace the .Name.Length > 0 checks with null checks.
This was referenced Mar 30, 2026
This was referenced Apr 13, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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.
Summary
NullReferenceExceptioninResponseProtobufProducer.PopulateGrpcTrailerswhen gRPC response trailers exist but do not containgrpc-statusorgrpc-messageheadersFirstOrDefault()onHeaderFieldInfo(a reference type) returnsnullwhen no match is found; the existing code accessed.Name.Lengthon the null result, causing the crash.Name.Length > 0checks with proper null checks