xinyiZzz opened a new issue, #38666:
URL: https://github.com/apache/arrow/issues/38666
### Describe the usage question you have. Please include as many useful
details as possible.
I got an error when using Python ADBC to connect to the flight server
implemented in C++.
```
conn = flight_sql.connect(uri="grpc://127.0.0.1:xxx", db_kwargs={
adbc_driver_manager.DatabaseOptions.USERNAME.value: "root",
adbc_driver_manager.DatabaseOptions.PASSWORD.value: "",
})
cursor = conn.cursor()
start_time = datetime.now()
cursor.execute(sql)
arrow_data = cursor.fetchallarrow()
> adbc_driver_manager.OperationalError: IO: [FlightSQL] connection error:
desc = "transport: Error while dialing: dial tcp 127.0.0.1:9080: connectex: no
connection could be made because the target machine actively refused it."
(Unavailable; AuthenticateBasicToken)
```
I implemented flight server in C++ like this:
```
_header_middleware =
std::make_shared<NoOpHeaderAuthServerMiddlewareFactory>();
_bearer_middleware =
std::make_shared<NoOpBearerAuthServerMiddlewareFactory>();
flight_options.auth_handler =
std::make_unique<arrow::flight::NoOpAuthHandler>();
flight_options.middleware.push_back({"header-auth-server",
_header_middleware});
flight_options.middleware.push_back({"bearer-auth-server",
_bearer_middleware});
```
I'm looking for help, thanks!
### Component(s)
FlightRPC
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