Updates the information such as the name and password of a simple application server.

Description

After you change the password of a simple application server, you must restart the server by calling the RebootInstance operation for the new password to take effect.

QPS limits

The queries per second (QPS) limit for a single user for the API operation is 10 calls per minute. If the number of calls to the API operation per minute exceeds the limit, throttling is triggered. As a result, your business may be affected. We recommend that you take note of the limit when you call this operation. For more information, see QPS limit.

Request parameters

Parameter Type Required Example Description
InstanceId String Yes ace0706b2ac4454d984295a94213****

The ID of the simple application server.

RegionId String Yes cn-hangzhou

The region ID of the simple application server.

Password String No Test123!

The new password of the simple application server. The password must be 8 to 30 characters in length. It must contain at least three of the following character types: uppercase letters, lowercase letters, digits, and special characters. Special characters include

( ) ~ ! @ # $ % ^ & * - + = | { } [ ] : ; < > , . ? /
InstanceName String No test-InstanceName

The new name of the simple application server. The name must be 2 to 128 characters in length. It must start with a letter but cannot start with http:// or https://. The name can contain letters, digits, colons (:), underscores (_), periods (.), and hyphens (-).

ClientToken String No 123e4567-e89b-12d3-a456-426655440000

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The token can only contain ASCII characters and cannot exceed 64 characters in length. For more information, see How to ensure idempotence.

Action String Yes UpdateInstanceAttribute

The operation that you want to perform. Set the value to UpdateInstanceAttribute.

Response parameters

Parameter Type Example Description
RequestId String 20758A-585D-4A41-A9B2-28DA8F4F534F

The ID of the request.

Examples

Sample requests

https://swas.cn-hangzhou.aliyuncs.com/?Action=UpdateInstanceAttribute
&InstanceId=2ad1ae67295445f598017499dc****	
&InstanceName=test-InstanceName
&Password=Test123!
&<Common request parameters>

Sample success responses

XML format 

HTTP/1.1 200 OK
Content-Type:application/xml

<UpdateInstanceAttributeResponse>
    <RequestId>20758A-585D-4A41-A9B2-28DA8F4F534F</RequestId>
</UpdateInstanceAttributeResponse>

JSON format 

HTTP/1.1 200 OK
Content-Type:application/json

{
  "RequestId" : "20758A-585D-4A41-A9B2-28DA8F4F534F"
}

Error codes

HTTP status code Error code Error message Description
400 InvalidPassword.ValueNotSupported The specified parameter Password is invalid. The error message returned because the specified Password parameter is invalid.
400 InvalidInstanceName.ValueNotSupported The specified parameter InstanceName is invalid. The error message returned because the specified InstanceName parameter is invalid.
400 RegionIdNotMatchHost The parameter regionId does not match the endpoint host. The error message returned because the specified RegionId parameter does not match the service address that you selected.
404 InvalidInstanceId.NotFound The specified InstanceId does not exist. The error message returned because the specified InstanceId parameter is invalid.
500 InternalError An error occurred while processing your request. The error message returned because an internal error has occurred. Try again later. If the problem persists, submit a ticket.

For a list of error codes, visit the API Error Center.