This API is used to query stack information.

GET /v2/{project_id}/rocketmq/diagnosis/stack/{stack_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID. For details about how to obtain it, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A
stack_id	Yes	String	Definition Stack ID. It is obtained from the API for querying an instance diagnosis report. Constraints N/A Range N/A Default Value N/A

None

Status code: 200

**Table 2** Response body parameters
Parameter	Type	Description
thread_name	String	Definition Thread name. Constraints N/A Range N/A Default Value N/A
stack	String	Definition Stack information of the client. Constraints N/A Range N/A Default Value N/A

Querying stack information

GET https://{endpoint}/v2/{project_id}/rocketmq/diagnosis/stack/{stack_id}

Status code: 200

success

{
  "thread_name" : "name",
  "stack" : "xxxxxxxxxxxxxxxx"
}

Status Code	Description
200	success

Querying Stack Information