Python example iot_starterkit_push_ui.py fails to send message

[dfdevs]

When sending the response is 200 and a html code.
when entering in the website of the html code and sending the form in there, you get this:
{"msg":"Parse error. Expected [messageType] of type [string]"}

Anyway your message doesn't get stored in the database table T_IOT_HTTP_PUSH (where the pushed messages are stored until the sensor device makes a pull request) for late consumption of the sensor device.

[levinanton]

Hello, can you please check if you have enabled the "Basic Authentication" for your "iotmms" instance as described here https://github.com/SAP/iot-starterkit/tree/master/src/prerequisites/mms ?

In order to enable Basic Authentication the following steps need to be executed:

• Go to the SAP HANA Cloud Platform Cockpit and select the iotmms application from the Java Application section.
• Go to the Authentication Configuration tab.
• Change type to Custom.
• Add User name and password to the selection in the Form section.
• Restart the iotmms application.

Regards,
Anton

[dfdevs]

Hi.
Yes, in fact it's activated in the six types.

I'm ashamed of myself, I just found that I can access the log.
This is what the log says:

• 2015 09 30 12:29:22#+00#ERROR#com.sap.iotservices.mms.api.PushService##anonymous#http-nio-8041-exec-1#na#p1941244215trial#iotmms#web#p1941244215trial#Error pushing message: The "messageType" field does not exist, or it is empty.

And this:

• Parsing message failed.com.sap.iotservices.mms.exception.FormatException: Parse error. Expected [root] of type [object]

[levinanton]

Hi, I'm a bit confused now. To me those are 3 different issues:

1. (original screenshot): Python script sends a message to Push API but get's HTML page back as a response saying that "Javascript is not supported..."
2. "messageType" field does not exists error log: A JSON payload which is being sent is not valid, "messageType" attribute is missing
3. Expected [root] of type [object]: would mean that a payload is not sent as JSON or JSON is invalid

May I ask you to check if Push API works for you from the Sample Client (MMS Cockpit, second tile on top)?
Do you always use the payload which is on the screenshot? Message Type there is "m..e3" which is an embedded one used for testing and that one does not have "oper" and "data" fields.
Anyways, let's check first if you can push smth via Sample Client.

Thanks,
Anton

[dfdevs]

Hi, yes, it seems to be different things.

1. The response about not supporting Javascript is just a safety, if your browser has Javascript it does the script, and if it doesn't it show you that message and the button, clicking the button do the same thing than the script. (also, the script doesn't work for me and I have to manually show the button deleting the tags)
2. I've been doing some test using different aproaches to creating the json and sending the POST request, it can be that.
3. same as above.
   I'm going to use your original code to do a request and see what it says in the log.

About using the MMS Cockpit, it works perfectly, if I have my test device on it gets the messages and change the led or display text, and if I don't, the messages are stored in the database to be later consumed by the device when running.

Thanks.

[dfdevs]

Ok, I've tried something and it has worked.
I've redone every initial step, deleting the user in the roles tab and then adding it again and that has worked, now I can push messages to my device.
It seems that I did something wrong when adding the user and it was my error all the way down.

Thank you for your time.
Much appreciated.