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PolarDB:ReleaseContext0PublicConnection

Last Updated:Sep 10, 2026

Shuts down the public network connection of a specified physical ReplicaSet for the context service.

Operation description

This operation is used to confirm that no active connections exist before a rollback task, ensuring operation safety.

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Test

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 of the instance.

cn-hangzhou

DBInstanceName

string

Yes

The instance ID.

pxc-htri0****r4k9p

CurrentConnectionString

string

No

The public network connection string to release. If this parameter is not specified, the Mem0 public address is subject to automatic release.

pxc-hzjasdyuoo.polarx.rds.aliyuncs.com

NodeType

string

No

The target node type. Valid values:

  • service

  • dashboard

dn

Response elements

Element

Type

Description

Example

object

RequestId

string

Id of the request

C457B28E-9CAB-4B77-B5C6-5D71B7870B6E

Data

object

The task details.

DBInstanceId

integer

The instance ID.

pxsp-xxxxxxxxxx

DBInstanceName

string

The instance name.

pxc-hzjasd****

OldConnectionString

string

The database endpoint before the switchover.

***.polarxcontextdb.rds.aliyuncs.com

OldPort

string

The previous port value.

8080

NetType

integer

The network type.

0

TaskId

integer

The task ID.

2209883

NodeType

string

The query node type. Valid values:

  • service

  • dashboard

service

Context0InstanceName

string

The context service instance name.

context0-example

AccessDeniedDetail

object

The details of the access denial.

AuthAction

string

The description is as above.

xxx

AuthPrincipalType

string

The description is as above.

222

AuthPrincipalOwnerId

string

The description is as above.

111

AuthPrincipalDisplayName

string

The identity used for authentication in the request.

xxx

PolicyType

string

The policy type.

System

NoPermissionType

string

NoPermissionType

ImplicitDeny

EncodedDiagnosticMessage

string

The diagnostic information.

AQEAAAAAaKPfwjY0MzMyODRGLUZCQkQtNTA1RS04MUUxLTc5NTkzODk2MUIzMg==

Examples

Success response

JSON format

{
  "RequestId": "C457B28E-9CAB-4B77-B5C6-5D71B7870B6E",
  "Data": {
    "DBInstanceId": 0,
    "DBInstanceName": "pxc-hzjasd****",
    "OldConnectionString": "***.polarxcontextdb.rds.aliyuncs.com",
    "OldPort": "8080",
    "NetType": 0,
    "TaskId": 2209883,
    "NodeType": "service",
    "Context0InstanceName": "context0-example"
  },
  "AccessDeniedDetail": {
    "AuthAction": "xxx",
    "AuthPrincipalType": "222",
    "AuthPrincipalOwnerId": "111",
    "AuthPrincipalDisplayName": "xxx",
    "PolicyType": "System",
    "NoPermissionType": "ImplicitDeny",
    "EncodedDiagnosticMessage": "AQEAAAAAaKPfwjY0MzMyODRGLUZCQkQtNTA1RS04MUUxLTc5NTkzODk2MUIzMg=="
  }
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.