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request parameters

The following table lists only the unique request parameters for this API and some common parameters. For more information, see common parameters.

Parameter	Type	Required	Example value	Description
Action	String	Yes	CheckUserCredentials	The operation to be performed. Value: CheckUserCredentials.
Version	String	Yes	2023-08-15	API version. Value: 2023-08-15.
ClusterId	String	Yes	emr-xxx	Cluster ID
UserName	String	Yes	emr_user	User name
Password	String	Yes	Password123!	User password

response parameters

The following table lists only the unique response parameters for this API. For more information, see response structure.

Parameter	Type	Example value	Description
Result	String	null	Returned result

sample request

POST /?Action=CheckUserCredentials&Version=2023-08-15 HTTP/1.1 
Host: emr.cn-beijing.volcengineapi.com 
Content-Type: application/json; charset=UTF-8 
X-Date: 20240701T023743Z 
X-Content-Sha256: 287e874e******d653b44d21e 
Authorization: HMAC-SHA256 Credential=Adfks******wekfwe/20240701/cn-beijing/emr/request, SignedHeaders=host;x-content-sha256;x-date, Signature=47a7d934ff7b37c03938******cd7b8278a40a1057690c401e92246a0e41085f 

{ 
  "ClusterId": "emr-xxx", 
  "UserName": "emr_user", 
  "Password": "Password123!" 
}

sample response

{ 
  "ResponseMetadata": { 
    "RequestId": "202407011038091491480601674CBCDE", 
    "Action": "CheckUserCredentials", 
    "Version": "2023-08-15", 
    "Service": "emr", 
    "Region": "cn-beijing" 
  }, 
  "Result": null 
}

error codes

The following table lists the error codes related to the business logic of this API. For common error codes, see the common error codes documentation.

Status code	Error code	Error message	Note
400	InvalidClusterId	cluster id {clusterId} not found	Cluster does not exist
400	USER.InvalidUserOrPassword	The username and password do not match	Username and password do not match

Last updated: 2026.06.01 17:04:20

E-MapReduce

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