Upon utilizing the datastax node.js driver, an exception code has surfaced as indicated in the documentation at .
Yet, I am unable to locate any comprehensive documentation detailing all available exception codes. Does anyone have suggestions on where to find this information?
It's unclear if the code values are explicitly outlined anywhere, but a good place to start would be to refer to the ExceptionCode source for the specific version of Cassandra you're using.
For example, on the latest trunk version, some of the error codes include:
SERVER_ERROR (0x0000),
PROTOCOL_ERROR (0x000A),
BAD_CREDENTIALS (0x0100),
// 1xx: issue during request execution
UNAVAILABLE (0x1000),
OVERLOADED (0x1001),
IS_BOOTSTRAPPING (0x1002),
TRUNCATE_ERROR (0x1003),
WRITE_TIMEOUT (0x1100),
READ_TIMEOUT (0x1200),
READ_FAILURE (0x1300),
FUNCTION_FAILURE (0x1400),
WRITE_FAILURE (0x1500),
CDC_WRITE_FAILURE (0x1600),
// 2xx: request validation problems
SYNTAX_ERROR (0x2000),
UNAUTHORIZED (0x2100),
INVALID (0x2200),
CONFIG_ERROR (0x2300),
ALREADY_EXISTS (0x2400),
UNPREPARED (0x2500);
The error response codes are currently not well-documented in the driver's system. I have submitted a ticket to address this issue: here
In the meantime, you can utilize code completion features in your IDE (such as VS Code / WebStorm) or take a look at the code snippet here:
const responseErrorCodes = {
serverError: 0x0000,
protocolError: 0x000A,
badCredentials: 0x0100,
unavailableException: 0x1000,
overloaded: 0x1001,
isBootstrapping: 0x1002,
truncateError: 0x1003,
writeTimeout: 0x1100,
readTimeout: 0x1200,
readFailure: 0x1300,
functionFailure: 0x1400,
writeFailure: 0x1500,
syntaxError: 0x2000,
unauthorized: 0x2100,
invalid: 0x2200,
configError: 0x2300,
alreadyExists: 0x2400,
unprepared: 0x2500
};
To verify against a specific error code, you should do something like:
if (err.code === cassandra.types.responseErrorCodes.syntaxError) {
// ...
}
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