Problem with websocket client connect with Cumulocity for Notification 2.0

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1

Hi Team,
I am working for Notification 2.0 in micro-service basing on sample project in github.
‘ROLE_NOTIFICATION_2_ADMIN’ is enabled for micro-service.
But the websocket client can’t connect with Cumulocity, below is the error log.

2022-09-30 02:55:41.068 INFO 13 — [main] m.websocket.MoNotificationExample : webSocketUri:wss://<my.tenant.domain>/notification2/consumer/?token=eyJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJ0ZXN0dGVuYW50c3Vic2NyaWJlciIsInRvcGljIjoidDE0MjExMzgwNzMvcmVsbm90aWYvdGVzdDEzMDEwM3N1YnNjcmlwdGlvbiIsImp0aSI6IjE2NzU4OGQ3LWIzNzUtNDZkYS1iODIyLTczZGVjNTk4N2Y5NiIsImlhdCI6MTY2NDUwNjU0MSwiZXhwIjoxNjY0NTkyOTQxfQ.UCmJPv1yBCxjbqiGmIWquT-wjWbOhLKglOB-5Eel9jmUjwdnIWh8sXOcYj3Tj4WJQBtR98DQ0ThYw0SDX-XipRmVmm5mCvmqrDC9NPtgLVWqUZG1yNk0fAsvjAlqW32bh6trwBreo79uSI85C_wLXTlvzDXRvG-0rjZdhuuOLeQoSYMy4CPcLEVt9QbNFJBm0AXL6VJFUEE4TNw6HiknRkf8PtWAdRZZhV8QNDUmisBrDS6Q03bd7GLqAiptg1gAL5J-aEJcrmYkT5c798uyec3uu3zRORwi2CT-UitsgQKGDy6WMeHilSHvOT0LeHrIbXN9AWl87ShAfxjDn2ZD8g
2022-09-30 02:55:41.068 INFO 13 — [main] m.websocket.MoNotificationExample : WebSocket library: TooTallNate
2022-09-30 02:56:11.792 INFO 13 — [WebSocketConnectReadThread-30] m.w.t.TooTallNateWebSocketClient : WebSocket closed Code:1002, reason: Invalid status code received: 500 Status line: HTTP/1.1 500 Server Error
2022-09-30 02:56:11.792 INFO 13 — [WebSocketConnectReadThread-30] m.websocket.MoNotificationExample : Connection was closed.

Any suggestion for this ? Thanks for reply.

2

The version of my tenant is ’ 1013.0.260’

3

Hi,

Don’t know what causes the internal server error. Did you create a subscription beforehand? Did you request the token for that subscription? Have you tried e.g. Postman connect to the wss?

Kind Regards,

Marco

4

Is this on cumulocity prod? If so it is a known problem that is already being worked on.

5

Yes, it’s on cumulocity SaaS in APJ.

6

What is the name of the tenant?

7

the domain for this tenant is apj-demos.cumulocity.com

8

If it’s cumulocity.com then this problem should already be fixed.

I tried my tests again and it is fixed!

9

Hi Robert,
Any configuration is necessary ? E.g: enable some messaging service ?
That is great if you can share your test code with me. My email address is weihan.chen@softwareag.com

10

It’s fine now.
The issue is caused by running with wrong version of c8y jdk.
My tenant is 10.13.260, while run with 10.14 for bugs

11

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