How to use DescribeTasks to query the progress of a specified asynchronous request

This article introduces how to use DescribeTasks to query the progress of a specified asynchronous request, and focuses on its specific steps. The content of this article is compact, and I hope everyone can gain something.

DescribeTasks

Request Parameters

Return Parameters

##Example

Request Example

https://ecs.aliyuncs.com/?Action=DescribeTasks
&RegionId=cn-hangzhou
&<公共请求参数>

Return example

XML format

<DescribeTasksResponse>
  <PageNumber>1</PageNumber>
  <TotalCount>2</TotalCount>
  <PageSize>2</PageSize>
  <RegionId>cn-hangzhou</RegionId>
  <RequestId>E5C82807-5588-4661-9A96-350B206A7623</RequestId>
  <TaskSet>
    <Task>
      <CreationTime>2015-11-24T12:50Z</CreationTime>
      <FinishedTime>2015-11-24T12:50Z</FinishedTime>
      <SupportCancel>true</SupportCancel>
      <TaskAction>IMPORT_IMAGE</TaskAction>
      <TaskStatus>Finished</TaskStatus>
      <TaskId>t-23mo8zf9w</TaskId>
    </Task>
    <Task>
      <CreationTime>2015-11-23T15:10Z</CreationTime>
      <FinishedTime>2015-11-23T15:16Z</FinishedTime>
      <SupportCancel>true</SupportCancel>
      <TaskAction>IMPORT_IMAGE</TaskAction>
      <TaskStatus>Finished</TaskStatus>
      <TaskId>t-23sgu0dyj</TaskId>
    </Task>
  </TaskSet>
</DescribeTasksResponse>

JSON format

{
    "PageNumber": 1,
    "TotalCount": 2,
    "PageSize": 2,
    "RegionId": "cn-hangzhou",
    "RequestId": "F746C690-D9EA-4F87-AF31-8E1910FAB541"，
    "TaskSet": {
        "Task": [
            {
                "CreationTime": "2015-11-24T12:50Z",
                "FinishedTime": "2015-11-24T12:50Z",
                "SupportCancel": true,
                "TaskAction": "ImportImage",
                "TaskStatus": "Finished",
                "TaskId": "t-23mo8zf9w"
            },
            {
                "CreationTime": "2015-11-23T15:10Z",
                "FinishedTime": "2015-11-23T15:16Z",
                "SupportCancel": true,
                "TaskAction": "ImportImage",
                "TaskStatus": "Finished",
                "TaskId": "t-23sgu0dyj"
            }
        ]
    }
}

Error codes

The following are error codes unique to this interface. For more error codes, please visit the API Error Center.

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