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Troubleshooting

Last updated: 2024-02-04 17:20:25

    Overview

    If an SDK API call to request the COS service fails, the system will return the error information in the callback.

    Sample error

    cos.headBucket({
    Bucket: 'examplebucket-1250000000',
    Region: 'ap-beijing',
    }, function(err, data) {
    if (err) {
    console.log(err.error);
    }
    });

    Client Exceptions

    Parameter
    Description
    Type
    err
    Error code, which is returned when an error (network error or service error) occurs. If the request is successful, this parameter is empty. For more information, please see Error Codes.
    Object
    - error
    Error message for the request
    Object/String

    Server Exceptions

    Parameter
    Description
    Type
    err
    Error code, which is returned when an error (network error or service error) occurs. If the request is successful, this parameter is empty. For more information, please see Error Codes.
    Object
    - statusCode
    HTTP status code returned by the request, such as 200, 403, and 404
    Number
    - headers
    Headers
    Object
    - error
    Error information
    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
    Unique ID of the request in the server request log that can be submitted in a ticket for troubleshooting
    String

    Using the Diagnosis Tool

    COS provides a self-help diagnosis tool to help you quickly locate request problems and debug code.

    Directions

    1. Copy the request ID (RequestId) returned when the request error occurs.
    2. Click Diagnosis Tool.
    
    3. Enter RequestId and click Diagnose.
    4. Wait and view the diagnostic result.

    FAQs

    If you have any questions about the SDK for WeChat Mini Program, see the SDK for WeChat Mini Program section in FAQs.
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