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E-MapReduce:ListReleaseVersions

Last Updated:Mar 27, 2026

Queries the major E-MapReduce (EMR) versions.

Operation description

Queries release versions.

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RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request parameters

Parameter

Type

Required

Description

Example

RegionId

string

Yes

The region ID.

cn-hangzhou

IaasType

string

No

The type of the IaaS resource.

ECS

ClusterType

string

Yes

The type of the cluster.

DATALAKE

Response elements

Element

Type

Description

Example

object

The response parameters.

ReleaseVersions

array<object>

The major EMR versions.

object

Series

string

The version series.

EMR-5.X

ReleaseVersion

string

The EMR version.

EMR-5.8.0

IaasType

string

The IaaS type.

ECS

RequestId

string

The ID of the request.

DD6B1B2A-5837-5237-ABE4-FF0C8944****

NextToken

string

Returns the location of the data that was read.

DD6B1B2A-5837-5237-ABE4-FF0C89568980

MaxResults

integer

The maximum number of entries returned.

20

TotalCount

integer

The total number of entries returned.

200

Examples

Success response

JSON format

{
  "ReleaseVersions": [
    {
      "Series": "EMR-5.X",
      "ReleaseVersion": "EMR-5.8.0",
      "IaasType": "ECS"
    }
  ],
  "RequestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944****",
  "NextToken": "DD6B1B2A-5837-5237-ABE4-FF0C89568980",
  "MaxResults": 20,
  "TotalCount": 200
}

Error codes

HTTP status code

Error code

Error message

Description

400 ConflictParameters Parameters that must not be used together. %s
400 IncompleteSignature The request signature is invalid.
400 InvalidAction The action %s requested is invalid.
400 InvalidParameter The specified parameter %s is not valid.
400 InvalidParameterValue The input parameter %s is invalid or out of range.
400 MissingAction The action %s requested is missing.
400 MissingParameter The input parameter %s that is mandatory for processing this request is not supplied.
400 NotAuthorized You do not have permission to perform this action. %s
400 ThrottlingException The request was denied due to request throttling. %s
500 InternalError The request processing has failed due to some unknown error, exception or failure.
404 ResourceNotFound The resource not found by %s.
503 ServiceFailure The request has failed due to a temporary failure of %s service.
503 ServiceUnavailable The request has failed due to a temporary failure of the server.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.