Error Responses

The following table lists AWS Storage Gateway API exceptions. When an AWS Storage Gateway operation returns an error response, the response body contains one of these exceptions. The InternalServerError and InvalidGatewayRequestException return one of the Operation Error Codes message codes that give the specific operation error code.

The following table shows the mapping between AWS Storage Gateway operation error codes and APIs that can return the codes. All operation error codes are returned with one of two general exceptions - InternalServerError and InvalidGatewayRequestException exception - described in Exceptions.

When there is an error, the response header information contains:

The body of an error response contains information about the error that occurred. The following sample error response shows the output syntax of response elements common to all error responses.

{
    "__type": "String",
    "message": "String",
    "error":
        { "errorCode": "String",
          "errorDetails": "String"
        }
}

The following table explains the JSON error response fields shown in the preceding syntax.

{
  "__type": "InvalidGatewayRequestException",
  "message": "The specified volume was not found.",
  "error": {
    "errorCode": "VolumeNotFound"
  }
}

{  
  "__type": "InvalidSignatureException",  
  "message": "The request signature we calculated does not match the signature you provided." 
}