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    IoT Platform:View logs

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    IoT Platform:View logs

    Last Updated:Mar 27, 2023

    After you use the sample code to connect a device to IoT Platform over Message Queuing Telemetry Transport (MQTT), you can view logs on the device

    Prerequisites

    For more information, see Example.

    Device logs

    You can view the running result on the device.

    • Device connection logs

      [1626941694.977][LK-0313] MQTT user calls aiot_mqtt_connect api, connect
[1626941694.977][LK-0317] LightSwitch&a1wP******
[1626941694.977][LK-0318] 9E2560C2D1F353A6908A5F7156A216101BA0E05DE3E447724D9F0DEEA6******
core_sysdep_network_establish host iot-06******.mqtt.iothub.aliyuncs.com port 1883, type 0
establish tcp connection with server(host='iot-06******.mqtt.iothub.aliyuncs.com', port=[1883])
success to establish tcp, fd=3
local port: 42304
[1626941695.066][LK-1000] establish mbedtls connection with server(host='iot-06******.mqtt.iothub.aliyuncs.com', port=[1883])
[1626941695.133][LK-1000] success to establish mbedtls connection, (cost 44947 bytes in total, max used 47859 bytes)
[1626941695.133][LK-0319] a1wP******.LightSwitch|timestamp=2524608000000,_ss=1,_v=sdk-c-4.1.0,securemode=2,signmethod=hmacsha256,ext=3,_conn=tls_9a|
[1626941695.200][LK-0313] MQTT connect success in 227 ms
AIOT_MQTTEVT_CONNECT
    • Logs generated when the device receives job notifications
      1. The following log data indicates that the device receives a downstream task notification when the device is online.
        [1626941940.144][LK-0309] pub: /sys/a1wP******/LightSwitch/thing/job/notify
[LK-030A] < 7B 22 69 64 22 3A 22 32  30 38 33 36 39 35 37 39 | {"id":"208369579
[LK-030A] < 35 22 2C 22 70 61 72 61  6D 73 22 3A 7B 22 74 61 | 5","params":{"ta
[LK-030A] < 73 6B 22 3A 7B 22 6A 6F  62 44 6F 63 75 6D 65 6E | sk":{"jobDocumen
[LK-030A] < 74 22 3A 7B 22 6B 65 79  22 3A 22 76 61 6C 75 65 | t":{"key":"value
[LK-030A] < 22 7D 2C 22 6A 6F 62 46  69 6C 65 22 3A 7B 22 66 | "},"jobFile":{"f
[LK-030A] < 69 6C 65 4B 65 79 22 3A  22 31 32 36 46 39 39 34 | ileKey":"126F994
[LK-030A] < 43 46 30 38 30 34 35 39  39 38 38 31 35 33 36 34 | CF08045998815364
[LK-030A] < 32 39 32 45 45 35 30 30  43 2F E9 98 BF E9 87 8C | 292******/......
[LK-030A] < E5 B7 AE E5 88 86 E5 B7  A5 E5 85 B7 2E 7A 69 70 | .............zip
[LK-030A] < 22 2C 22 66 69 6C 65 55  72 6C 22 3A 22 68 74 74 | ","fileUrl":"htt
[LK-030A] < 70 73 3A 2F 2F 69 6F 74  78 2D 74 68 69 6E 67 2D | ps://iotx-thing-
[LK-030A] < 73 63 68 65 64 75 6C 65  72 2D 6A 6F 62 2D 66 69 | scheduler-job-fi
[LK-030A] < 6C 65 2E 6F 73 73 2D 63  6E 2D 73 68 61 6E 67 68 | le.oss-cn-shangh
[LK-030A] < 61 69 2E 61 6C 69 79 75  6E 63 73 2E 63 6F 6D 2F | ai.aliyuncs.com/
[LK-030A] < 31 32 36 46 39 39 34 43  46 30 38 30 34 35 39 39 | 126F994CF0804599
[LK-030A] < 38 38 31 35 33 36 34 32  39 32 45 45 35 30 30 43 | 8815364292EE500C
[LK-030A] < 2F 25 45 39 25 39 38 25  42 46 25 45 39 25 38 37 | /%E9%98%BF%E9%87
[LK-030A] < 25 38 43 25 45 35 25 42  37 25 41 45 25 45 35 25 | %8C%E5%B7%AE%E5%
[LK-030A] < 38 38 25 38 36 25 45 35  25 42 37 25 41 35 25 45 | 88%86%E5%B7%A5%E
[LK-030A] < 35 25 38 35 25 42 37 2E  7A 69 70 3F 45 78 70 69 | 5******.zip?Expi
[LK-030A] < 72 65 73 3D 31 36 32 36  39 34 35 35 34 30 26 4F | res=1626945540&O
[LK-030A] < 53 53 41 63 63 65 73 73  4B 65 79 49 64 3D 4C 54 | SSAccessKeyId=LT
[LK-030A] < 41 49 4D 6F 6A 37 47 49  67 6C 6A 7A 50 72 26 53 | AIMoj7GI******&
[LK-030A] < 69 67 6E 61 74 75 72 65  3D 69 4B 6F 63 4B 41 54 | Signature=iKocKAT
[LK-030A] < 43 50 38 54 30 47 70 6F  67 66 34 57 77 61 44 59 | CP8T0Gpogf4WwaDY
[LK-030A] < 25 32 42 25 32 46 4F 4D  25 33 44 22 2C 22 73 69 | %2B%2******","si
[LK-030A] < 67 6E 22 3A 22 37 32 30  37 63 35 32 64 64 33 31 | gn":"7207c52dd31
[LK-030A] < 34 64 30 65 66 66 37 33  33 30 30 39 64 64 36 63 | 4d0eff733009dd6c
[LK-030A] < 35 66 63 61 39 22 2C 22  73 69 67 6E 4D 65 74 68 | 5fca9","signMeth
[LK-030A] < 6F 64 22 3A 22 4D 64 35  22 7D 2C 22 74 61 73 6B | od":"Md5"},"task
[LK-030A] < 49 64 22 3A 22 39 30 65  65 64 39 39 36 66 33 62 | Id":"90eed996f3b
[LK-030A] < 33 34 62 30 38 38 63 62  31 32 64 38 36 33 38 34 | 34b088cb12d86384
[LK-030A] < 63 65 37 66 36 22 2C 22  73 74 61 74 75 73 22 3A | *****","status":
[LK-030A] < 22 53 45 4E 54 22 7D 7D  2C 22 76 65 72 73 69 6F | "SENT"}},"versio
[LK-030A] < 6E 22 3A 22 31 2E 30 2E  30 22 7D                | n":"1.0.0"}
[1626941940.144][LK-0B03] task recv notify
revice task notify, task_id:[90eed996f3b34b088cb12d86384*****],status:[1],job_document[{"key":"value"}],document_file_url:[https://iotx-thing-scheduler-job-file.oss-cn-shanghai.aliyuncs.com/126F994CF08045998815364292EE500C/%E9%98%BF%E9%87%8C%E5%B7%AE%E5%88%86%E5%B7%A5%E5%85%B7.zip?Expires=1626945540&OSSAccessKeyId=LTAIMoj7GI******&Signature=iKocKATCP8T0Gpogf4WwaDY%2B%2******],            sign_method:[Md5],sign[7207c52dd314d0eff733009dd6c5fca9]
      2. The following log data indicates that the device returns a response message.
        [1626941940.144][LK-0309] pub: /sys/a1wP******/LightSwitch/thing/job/notify_reply
[LK-030A] > 7B 22 69 64 22 3A 22 32  30 38 33 36 39 35 37 39 | {"id":"208369579
[LK-030A] > 35 22 2C 22 63 6F 64 65  22 3A 32 30 30 2C 22 64 | 5","code":200,"d
[LK-030A] > 61 74 61 22 3A 7B 7D 7D                          | ata":{}}
      3. The following log data indicates that the device submits the task status to IoT Platform after the task is implemented. 
        [1626941940.144][LK-0309] pub: /sys/a1wP******/LightSwitch/thing/job/update
[LK-030A] > 7B 22 69 64 22 3A 22 31  22 2C 22 76 65 72 73 69 | {"id":"1","versi
[LK-030A] > 6F 6E 22 3A 22 31 2E 30  2E 30 22 2C 22 70 61 72 | on":"1.0.0","par
[LK-030A] > 61 6D 73 22 3A 7B 22 74  61 73 6B 49 64 22 3A 22 | ams":{"taskId":"
[LK-030A] > 39 30 65 65 64 39 39 36  66 33 62 33 34 62 30 38 | 90eed996f3b34b08
[LK-030A] > 38 63 62 31 32 64 38 36  33 38 34 63 65 37 66 36 | 8cb12d86384*****
[LK-030A] > 22 2C 22 73 74 61 74 75  73 22 3A 22 49 4E 5F 50 | ","status":"IN_P
[LK-030A] > 52 4F 47 52 45 53 53 22  2C 22 70 72 6F 67 72 65 | ROGRESS","progre
[LK-030A] > 73 73 22 3A 30 7D 7D                             | ss":0}}
[
      4. The following log data indicates that IoT Platform returns a response message. 
        1626941940.255][LK-0309] pub: /sys/a1wP******/LightSwitch/thing/job/update_reply
[LK-030A] < 7B 22 63 6F 64 65 22 3A  32 30 30 2C 22 64 61 74 | {"code":200,"dat
[LK-030A] < 61 22 3A 7B 22 74 61 73  6B 49 64 22 3A 22 39 30 | a":{"taskId":"90
[LK-030A] < 65 65 64 39 39 36 66 33  62 33 34 62 30 38 38 63 | eed996f3b34b088c
[LK-030A] < 62 31 32 64 38 36 33 38  34 63 65 37 66 36 22 7D | b12d86384*****"}
[LK-030A] < 2C 22 69 64 22 3A 22 31  22 2C 22 6D 65 74 68 6F | ,"id":"1","metho
[LK-030A] < 64 22 3A 22 74 68 69 6E  67 2E 6A 6F 62 2E 75 70 | d":"thing.job.up
[LK-030A] < 64 61 74 65 22 2C 22 76  65 72 73 69 6F 6E 22 3A | date","version":
[LK-030A] < 22 31 2E 30 22 7D                                | "1.0"}
revice task update reply, code:[200]
revice task update reply, task_id:[90eed996f3b34b088cb12d86384*****]
    • Logs generated when the device requests a device job
      1. The following log data indicates that the device initiates a request to obtain a job from IoT Platform after the device goes online. 
        [1626949668.599][LK-0309] pub: /sys/a1wP******/LightSwitch/thing/job/get
[LK-030A] > 7B 22 69 64 22 3A 22 31  22 2C 22 76 65 72 73 69 | {"id":"1","versi
[LK-030A] > 6F 6E 22 3A 22 31 2E 30  2E 30 22 2C 22 70 61 72 | on":"1.0.0","par
[LK-030A] > 61 6D 73 22 3A 7B 22 74  61 73 6B 49 64 22 3A 22 | ams":{"taskId":"
[LK-030A] > 24 6E 65 78 74 22 7D 7D                          | $next"}}
      2. The following log data indicates that IoT Platform returns a response message. 
        [1626949668.799][LK-0309] pub: /sys/a1wP******/LightSwitch/thing/job/get_reply
[LK-030A] < 7B 22 63 6F 64 65 22 3A  32 30 30 2C 22 64 61 74 | {"code":200,"dat
[LK-030A] < 61 22 3A 7B 22 74 61 73  6B 22 3A 7B 22 6A 6F 62 | a":{"task":{"job
[LK-030A] < 44 6F 63 75 6D 65 6E 74  22 3A 7B 22 6B 65 79 22 | Document":{"key"
[LK-030A] < 3A 22 76 61 6C 75 65 22  7D 2C 22 6A 6F 62 46 69 | :"value"},"jobFi
[LK-030A] < 6C 65 22 3A 7B 22 66 69  6C 65 55 72 6C 22 3A 22 | le":{"fileUrl":"
[LK-030A] < 68 74 74 70 73 3A 2F 2F  69 6F 74 78 2D 74 68 69 | https://iotx-thi
[LK-030A] < 6E 67 2D 73 63 68 65 64  75 6C 65 72 2D 6A 6F 62 | ng-scheduler-job
[LK-030A] < 2D 66 69 6C 65 2E 6F 73  73 2D 63 6E 2D 73 68 61 | -file.oss-cn-sha
[LK-030A] < 6E 67 68 61 69 2E 61 6C  69 79 75 6E 63 73 2E 63 | nghai.aliyuncs.c
[LK-030A] < 6F 6D 2F 31 32 36 46 39  39 34 43 46 30 38 30 34 | om/126F994CF0804
[LK-030A] < 35 39 39 38 38 31 35 33  36 34 32 39 32 45 45 35 | 5998815364292EE5
[LK-030A] < 30 30 43 2F 30 36 30 34  31 38 31 31 30 32 37 39 | 00C/060418110279
[LK-030A] < 5F 30 4D 51 54 54 25 45  36 25 38 45 25 41 35 25 | _0MQTT%E6%8E%A5%
[LK-030A] < 45 35 25 38 35 25 41 35  25 45 36 25 42 35 25 38 | E5%85%A5%E6%B5%8
[LK-030A] < 31 25 45 37 25 41 38 25  38 42 25 45 35 25 39 42 | 1%E7%A8%8B%E5***
[LK-030A] < 25 42 45 2E 7A 69 70 3F  45 78 70 69 72 65 73 3D | ***.zip?Expires=
[LK-030A] < 31 36 32 36 39 35 33 32  36 38 26 4F 53 53 41 63 | 1626953268&OSSAc
[LK-030A] < 63 65 73 73 4B 65 79 49  64 3D 4C 54 41 49 4D 6F | cessKeyId=LTAIMo
[LK-030A] < 6A 37 47 49 67 6C 6A 7A  50 72 26 53 69 67 6E 61 | j7GI******&Signature
[LK-030A] < 74 75 72 65 3D 73 64 25  32 42 50 37 50 43 4B 41 | =sd%2BP7PCKA
[LK-030A] < 73 77 4E 4D 33 4D 25 32  46 4B 72 7A 70 57 66 4D | swNM3M%2FKrzpWfM
[LK-030A] < 41 6F 72 63 25 33 44 22  2C 22 73 69 67 6E 22 3A | A******","sign":
[LK-030A] < 22 62 36 63 61 64 31 66  65 62 66 62 64 63 66 38 | "b6cad1febfbdcf8
[LK-030A] < 65 31 38 64 66 38 33 34  35 31 34 37 64 31 34 33 | e18df834514*****
[LK-030A] < 62 22 2C 22 73 69 67 6E  4D 65 74 68 6F 64 22 3A | b","signMethod":
[LK-030A] < 22 4D 64 35 22 7D 2C 22  74 61 73 6B 49 64 22 3A | "Md5"},"taskId":
[LK-030A] < 22 37 65 66 65 63 66 33  65 32 33 64 34 34 30 66 | "7efecf3e23d440f
[LK-030A] < 36 62 32 34 31 36 33 62  30 38 65 36 32 32 32 39 | 6b24163b08e*****
[LK-030A] < 34 22 2C 22 73 74 61 74  75 73 22 3A 22 49 4E 5F | *","status":"IN_
[LK-030A] < 50 52 4F 47 52 45 53 53  22 7D 2C 22 74 61 73 6B | PROGRESS"},"task
[LK-030A] < 49 64 22 3A 22 24 6E 65  78 74 22 7D 2C 22 69 64 | Id":"$next"},"id
[LK-030A] < 22 3A 22 31 22 2C 22 6D  65 74 68 6F 64 22 3A 22 | ":"1","method":"
[LK-030A] < 74 68 69 6E 67 2E 6A 6F  62 2E 67 65 74 22 2C 22 | thing.job.get","
[LK-030A] < 76 65 72 73 69 6F 6E 22  3A 22 31 2E 30 22 7D    | version":"1.0"}
revice task get detail, code:[200]
revice task get detail reply, task_id:[7efecf3e23d440f6b24163b08e622294],status:[2]
job_document[{"key":"value"}],document_file_url:[https://iotx-thing-scheduler-job-file.oss-cn-shanghai.aliyuncs.com/126F994CF08045998815364292EE500C/060418110279_0MQTT%E6%8E%A5%E5%85%A5%E6%B5%81%E7%A8%8B%E5%9B%BE.zip?Expires=1626953268&OSSAccessKeyId=LTAIMoj7GI******&Signature=sd%2BP7PCKAswNM3M%2FKrzpWfMA******], sign_method:[Md5],sign[b6cad1febfbdcf8e18df834514*****b]
      3. The following log data indicates that the device submits the task status to IoT Platform after the task is implemented.
        [1626949668.799][LK-0309] pub: /sys/a1wP******/LightSwitch/thing/job/update
[LK-030A] > 7B 22 69 64 22 3A 22 32  22 2C 22 76 65 72 73 69 | {"id":"2","versi
[LK-030A] > 6F 6E 22 3A 22 31 2E 30  2E 30 22 2C 22 70 61 72 | on":"1.0.0","par
[LK-030A] > 61 6D 73 22 3A 7B 22 74  61 73 6B 49 64 22 3A 22 | ams":{"taskId":"
[LK-030A] > 37 65 66 65 63 66 33 65  32 33 64 34 34 30 66 36 | 7efecf3e23d440f6
[LK-030A] > 62 32 34 31 36 33 62 30  38 65 36 32 32 32 39 34 | b24163b08e******
[LK-030A] > 22 2C 22 73 74 61 74 75  73 22 3A 22 49 4E 5F 50 | ","status":"IN_P
[LK-030A] > 52 4F 47 52 45 53 53 22  2C 22 70 72 6F 67 72 65 | ROGRESS","progre
[LK-030A] > 73 73 22 3A 38 38 7D 7D                          | ss":88}}
      4. The following log data indicates that IoT Platform returns a response message.
        [1626949668.855][LK-0309] pub: /sys/a1wP******/LightSwitch/thing/job/update_reply
[LK-030A] < 7B 22 63 6F 64 65 22 3A  32 30 30 2C 22 64 61 74 | {"code":200,"dat
[LK-030A] < 61 22 3A 7B 22 74 61 73  6B 49 64 22 3A 22 37 65 | a":{"taskId":"7e
[LK-030A] < 66 65 63 66 33 65 32 33  64 34 34 30 66 36 62 32 | fecf3e23d440f6b2
[LK-030A] < 34 31 36 33 62 30 38 65  36 32 32 32 39 34 22 7D | 4163b08e******"}
[LK-030A] < 2C 22 69 64 22 3A 22 32  22 2C 22 6D 65 74 68 6F | ,"id":"2","metho
[LK-030A] < 64 22 3A 22 74 68 69 6E  67 2E 6A 6F 62 2E 75 70 | d":"thing.job.up
[LK-030A] < 64 61 74 65 22 2C 22 76  65 72 73 69 6F 6E 22 3A | date","version":
[LK-030A] < 22 31 2E 30 22 7D                                | "1.0"}
revice task update reply, code:[200]
revice task update reply, task_id:[7efecf3e23d440f6b24163b08e******]

    IoT Platform logs

    Log on to the IoT Platform console to view the device status and operation logs.

    • Device status

      In the left-side navigation pane, choose Devices > Devices. Then, find the device and view the device status. If the value in the State/Enabled column is Online, the device is connected to IoT Platform. View the device status

    • Job status

      In the left-side navigation pane, choose Devices > Jobs . On the Jobs page, view the statuses of device jobs.
    • Operation logs

      In the left-side navigation pane, choose Maintenance > Device Log. Select a product to view the logs of the device that are generated when the device goes online, subscribes to the topic, and submits data to IoT Platform.