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Today, these methods can give errors like this where the origin stack trace is lost due to improper rethrow:

Message: 
System.Text.EncoderFallbackException : Unable to translate Unicode character \� at index 55381 to specified code page.

  Stack Trace: 
RetryableWriteOperationExecutor.ExecuteAsync[TResult](OperationContext operationContext, IRetryableWriteOperation`1 operation, RetryableWriteContext context)
RetryableWriteOperationExecutor.ExecuteAsync[TResult](OperationContext operationContext, IRetryableWriteOperation`1 operation, IWriteBinding binding, Boolean retryRequested)
OperationExecutor.ExecuteWriteOperationAsync[TResult](OperationContext operationContext, IClientSessionHandle session, IWriteOperation`1 operation, Boolean allowChannelPinning)
MongoCollectionImpl`1.ExecuteWriteOperationAsync[TResult](IClientSessionHandle session, IWriteOperation`1 operation, Nullable`1 timeout, CancellationToken cancellationToken)
MongoCollectionImpl`1.FindOneAndUpdateAsync[TProjection](FilterDefinition`1 filter, UpdateDefinition`1 update, FindOneAndUpdateOptions`2 options, CancellationToken cancellationToken)

This makes debugging more challenging.

… when rethrowing originalException

Today, these methods can give errors like this where the origin stack trace is lost due to improper rethrow:

```
Message: 
System.Text.EncoderFallbackException : Unable to translate Unicode character \� at index 55381 to specified code page.

  Stack Trace: 
RetryableWriteOperationExecutor.ExecuteAsync[TResult](OperationContext operationContext, IRetryableWriteOperation`1 operation, RetryableWriteContext context)
RetryableWriteOperationExecutor.ExecuteAsync[TResult](OperationContext operationContext, IRetryableWriteOperation`1 operation, IWriteBinding binding, Boolean retryRequested)
OperationExecutor.ExecuteWriteOperationAsync[TResult](OperationContext operationContext, IClientSessionHandle session, IWriteOperation`1 operation, Boolean allowChannelPinning)
MongoCollectionImpl`1.ExecuteWriteOperationAsync[TResult](IClientSessionHandle session, IWriteOperation`1 operation, Nullable`1 timeout, CancellationToken cancellationToken)
MongoCollectionImpl`1.FindOneAndUpdateAsync[TProjection](FilterDefinition`1 filter, UpdateDefinition`1 update, FindOneAndUpdateOptions`2 options, CancellationToken cancellationToken)
```

This makes debugging more challenging.
@madelson madelson requested a review from a team as a code owner January 12, 2026 00:14
@madelson madelson requested a review from rstam January 12, 2026 00:14
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