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expose grpc(default) when using otelarrow as exporter#4938

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Horiodino wants to merge 1 commit intoopen-telemetry:mainfrom
Horiodino:expose_grpc_otelarrow
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expose grpc(default) when using otelarrow as exporter#4938
Horiodino wants to merge 1 commit intoopen-telemetry:mainfrom
Horiodino:expose_grpc_otelarrow

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Description:
This PR exposes the default gRPC receiver port (4317) for the otelarrow receiver and ensures grpc protocol defaults are automatically applied when protocols are omitted or left empty.

Link to tracking Issue(s):

Testing:
Added unit tests for GetReceiverPorts() covering both normal otelarrow configs and cases where protocols are missing but defaults are applied.

Documentation:
Added changelog entry in .chloggen/expose_grpc_otelarrow.yaml.

Signed-off-by: Praful Khanduri <holiodin@gmail.com>
@Horiodino Horiodino requested a review from a team as a code owner April 7, 2026 17:30
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Expose grpc port when using otelarrow

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