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Debugging

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Request parameters


Parameter	Type	Required	Example	Description
Action	String	Yes	AllocateInstancePublicConnection	The operation that you want to perform. Set the value to AllocateInstancePublicConnection.
DBInstanceId	String	Yes	rm-uf6wjk5*****	The ID of the instance.
ConnectionStringPrefix	String	Yes	test1234	The prefix of the public endpoint. A valid public endpoint is in the following format: Prefix.Database engine.rds.aliyuncs.com. Example: test1234.mysql.rds.aliyuncs.com. Note The value can be 5 to 40 characters in length and can contain letters, digits, and hyphens (-). The value cannot contain any of the following characters: ~ ! # % ^ & * = + \| {} ; : ' " , <> / ?
Port	String	Yes	3306	The public port of the instance. Valid values: 1000 to 5999.
BabelfishPort	String	No	1433	The Tabular Data Stream (TDS) port of the instance for which Babelfish is enabled. Note This parameter applies only to ApsaraDB RDS for PostgreSQL instances. For more information about Babelfish for ApsaraDB RDS for PostgreSQL, see Introduction to Babelfish.
GeneralGroupName	String	No	rgc-bp1tkv8*****	The name of the dedicated cluster to which the instance belongs. This parameter takes effect only when the instance runs MySQL on RDS Standard Edition and is created in a dedicated cluster.

Response parameters


Parameter	Type	Example	Description
DbInstanceName	String	rm-bp1*****	The ID of the instance.
RequestId	String	65BDA532-28AF-4122-AA39-B382721EEE64	The ID of the request.
ConnectionString	String	test*****.mysql.rds.aliyuncs.com	The endpoint that is used to connect to the instance.

Examples

Sample requests

http(s)://rds.aliyuncs.com/?Action=AllocateInstancePublicConnection
&ConnectionStringPrefix=test1234
&DBInstanceId=rm-uf6wjk5*****
&Port=3306
&<Common request parameters>

Sample success responses

XML format

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

<AllocateInstancePublicConnectionResponse>
    <DbInstanceName>rm-bp1*****</DbInstanceName>
    <RequestId>65BDA532-28AF-4122-AA39-B382721EEE64</RequestId>
    <ConnectionString>test*****.mysql.rds.aliyuncs.com</ConnectionString>
</AllocateInstancePublicConnectionResponse>

JSON format

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

{
  "DbInstanceName" : "rm-bp1*****",
  "RequestId" : "65BDA532-28AF-4122-AA39-B382721EEE64",
  "ConnectionString" : "test*****.mysql.rds.aliyuncs.com"
}

Error codes


HTTP status code	Error code	Error message	Description
400	OtherEndpoint.Exist	Other endpoint exist.	The error message returned because the specified prefix of the public endpoint already exists.

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