You can call this operation to query all your group IDs in the target region.


OnsMqttGroupIdList is typically used to manage all your group IDs. You can obtain the group ID list and then query the data about a single group ID.

Request parameters

Name Type Required Description
OnsPlatform String No The source of the request. By default, the request comes from the POP platform.
PreventCache Long Yes The parameter that is used for CSRF verification, which can be set to the current system time. Unit: ms
InstanceId String Yes The ID of the MQTT instance that corresponds to the group IDs you want to query.

Response parameters

Name Type Description
RequestId String A common parameter. Each request has a unique ID to facilitate troubleshooting and fault locating.
HelpUrl String A help link.
Data MqttGroupIdDo The data structure of the group ID.

Fields in MqttGroupIdDo

Name Type Description
Id Long The data ID.
ChannelId Integer The access channel ID, which is 0 in Alibaba Cloud.
Owner String The account to which the group ID belongs.
GroupId String The group ID.
Topic String The parent topic associated with the group ID.
Status Integer The current status. Valid values:
  • 0: in service
  • 1: frozen
  • 2: suspended
CreateTime Long The creation time, in the timestamp format. Unit: ms
UpdateTime Long The last update time, in the timestamp format. Unit: ms
InstanceId String The ID of the instance to which the group ID belongs.
IndependentNaming Boolean Indicates whether the instance to which the group ID belongs has a namespace. Valid values:
  • true: The instance has a separate namespace. A resource name must be unique within the same instance but can be duplicated across instances.
  • false: The instance has no separate namespace. Resource names must be unique within an instance and across instances.


public static void main(String[] args) { String regionId = "cn-hangzhou"; String accessKey = "XXXXXXXXXXXXXXXXX"; String secretKey = "XXXXXXXXXXXXXXXXX"; IClientProfile profile= DefaultProfile.getProfile(regionId,accessKey,secretKey); IAcsClient iAcsClient= new DefaultAcsClient(profile); OnsMqttGroupIdListRequest request = new OnsMqttGroupIdListRequest(); request.setPreventCache(System.currentTimeMillis()); request.setAcceptFormat(FormatType.JSON); request.setInstanceId("aaaaa"); try { OnsMqttGroupIdListResponse response=iAcsClient.getAcsResponse(request); List groupIdList=response.getData(); for(OnsMqttGroupIdListResponse.MqttGroupIdDo groupDo:groupIdList){ System.out.println(groupDo.getId()+" "+ groupDo.getChannelId()+" "+ groupDo.getOwner()+" "+ groupDo.getGroupId()+" "+ groupDo.getTopic()+" "+ groupDo.getStatus()+" "+ groupDo.getCreateTime()+" "+ groupDo.getUpdateTime()); } } catch (ServerException e) { e.printStackTrace(); } catch (ClientException e) { e.printStackTrace(); } }