Introduction
If an SDK API call to request COS service fails, an error message will be returned in the callback.
Sample error
cos.headBucket({
Bucket: 'examplebucket-1250000000',
Region: 'COS_REGION',
}, function(err, data) {
if (err) {
console.log(err.error);
}
});
Client Exceptions
| Parameter Name |
Description |
Type |
| err |
Object returned when an error (network error or service error) occurs. If the request is successful, this is null. For more information, see Error Codes |
Object |
| - error |
Error message for the request |
Object/String |
Server exceptions
| Parameter Name |
Description |
Type |
| err |
Object returned when an error, a network error or service error, occurs. If the request is successful, this will be empty. For more information, see Error Codes |
Object |
| - statusCode |
HTTP status code returned by the request, such as `200`, `403`, and `404` |
Number |
| - headers |
Headers returned by the request |
Object |
| - error |
Error message for the request |
Object/String |
| - - Code |
Error code returned in the body when the request fails. For more information, see Error Codes |
String |
| - - Message |
Error message returned in the body when the request fails. For more information, see Error Codes |
String |
| - - RequestId |
The unique ID of the request in the server request log that can be submitted in a ticket for troubleshooting |
String |
Was this page helpful?