Troubleshooting

Last updated: 2019-10-24 19:00:05

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Overview

If an SDK API call to request the COS service fails, an error message will be returned in the callback.

Error Sample

cos.headBucket({
    Bucket: 'examplebucket-1250000000',
    Region: 'ap-beijing',
}, 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 Request error message Object/String

Server 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
- statusCode HTTP status code returned by the request, such as 200, 403, and 404 Number
- headers Header information returned by the request Object
- error Request Error Message Object/String
- - Code Error code returned by the body when the request fails. For more information, see Error Codes String
- - Message Error message returned by the body when the request fails. For more information, see Error Codes String
- - RequestId A unique ID in the server request log that can be submitted in a ticket for troubleshooting String