If the return value of the code parameter is not 200, OK, Success or success in Classic SDK for Node.js, the return value indicates an exception, which is not caused by network issues. You can configure more values for the code parameter in an SDK client to indicate successful calls.
var client = new RPCClient({
accessKeyId: '<accessKeyId>',
accessKeySecret: '<accessKeySecret>',
endpoint: '<endpoint>',
apiVersion: '<apiVersion>',
opts: {
// Configure more values for the code parameter to indicate successful calls.
codes: ["0", 0]
}
});