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Troubleshooting

Terakhir diperbarui:2024-02-02 14:36:36

    Overview

    If a COS request fails when calling this SDK, it will throw a CosClientException (client exception) or CosServerException (server exception).
    The CosClientException results from unexpected interaction issues between the client and the COS server, such as a failure to connect to the server, a failure to parse the data returned by the server, or the occurrence of an IO exception when reading a local file, etc.
    The CosServerException occurs when the client interacts with the COS server normally, but the operation fails. For example, the client accesses a bucket that does not exist, deletes a file that does not exist, or does not have the permission to perform an operation, etc.

    Client Exceptions

    Inherited from System.ApplicationException, CosClientException is used in the same way as System.ApplicationException. An additional member errorCode is also added, as shown below:
    Member
    Description
    Type
    errorCode
    Client error code, such as 10000, which indicates a parameter verification failure. For more information, see Error Codes
    int

    Server Exceptions

    A CosServiceException contains the status code returned by the server, the requestid, and the error details. After an exception is captured, we recommended that you print out the entire exception as it contains necessary factors for troubleshooting. The member variables of the exception are described as follows:
    Member
    Description
    Type
    requestId
    Request ID, used to identify a request. It is very important for troubleshooting.
    string
    statusCode
    Status code in the response. A 4XX status code represents a request failure caused by the client, and a 5XX status code represents a failure caused by a server exception. For more information, see COS Error Codes.
    string
    errorCode
    Error code returned by the body when the request fails. For more information, see Error Codes.
    string
    errorMessage
    Error message returned by the body when the request fails. For more information, see Error Codes.
    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.
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