What gRPC status code might you expect to be associated with an error invoking a transaction as a result of a transient failure, such as a network disconnection between the client application and Gateway peer?

What gRPC status code might you expect to be associated with an error invoking a transaction as a result of a transient failure, such as a network disconnection between the client application and Gateway peer?
A . UNAVAILABLE
B . ABORTED
C . DEADLINE EXCEEDED
D . FAILED PRECONDITION

View Answer

Answer: A

Explanation:

The gRPC status code "UNAVAILABLE" is commonly expected in scenarios involving transient failures in network communication, such as a disconnection between the client application and the Gateway peer. This status code indicates that the service is currently unavailable, often due to network issues or service downtime, making it suitable for situations where the failure is temporary and the request can be retried. This differs from other codes like "ABORTED" or "DEADLINE EXCEEDED," which represent different types of errors related to the transaction logic or timing issues, respectively. "FAILED PRECONDITION" would be inappropriate for network disconnections as it suggests issues

with the request’s preconditions, not the network status.