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[leshan-dev] CoAP Reset Message on Observation Notification
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Hello,
I'm facing an unexpected (at least to me) behavior while sending observation response from the device to the server. The devices LWM2M client life-time is set to 10mins, the server requests observation on a sensor resource, which is sent by the device periodically every hour. The observation request was acknowledge by the device and the current sensor value was sent. The client also performs every 10 minutes registration update, but the sensor value notification after one hour was rejected with RST message. (The same happens with all sensor value notification messages coming later). Please see the detailed log below. Worth to mention is, if the life-time is set let say to 2 minutes, the sensor value notification works as expected (accepted). Do I miss something in this use case?
Thanks in Advance!
BR’s,
-wumpel
=> registration
02:39:18.312 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] receive CoAP request from the addr: /89.204.138.47
02:39:18.312 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534207158312,"incoming":true,"type":"CON","code":"POST","mId":35,"token":"[51a9e16e16332300]","options":"Uri-Path: \"rd\" - Content-Format: \"application/link-format\" - Uri-Query: \"ep=NODE-02\", \"lt=600\", \"sms=null\", \"lwm2m=1.0\", \"b=U\"","payload":"</>;rt=oma.lwm2m, </3322/0>, </7/0>, </6/0>, </5/0>, </4/0>, </3/0>, </2/7>, </2/6>, </2/5>, </2/4>, </2/3>, </2/2>, </2/1>, </2/0>, </1/0>"}
02:39:18.319 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] send CoAP response to the addr: /89.204.138.47
02:39:18.319 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534207158319,"incoming":false,"type":"ACK","code":"2.01","mId":35,"token":"[51a9e16e16332300]","options":"Location-Path: \"rd\", \"EnHXqYVZIe\"","payload":null}
=> start observation
02:39:18.353 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] send CoAP request to the addr: /89.204.138.47
02:39:18.353 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534207158353,"incoming":false,"type":"CON","code":"GET","mId":20191,"token":"[834b299f1ea3ace6]","options":"Uri-Path: \"3322\", \"0\", \"5700\" - Observe: 0","payload":null}
02:39:18.799 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] receive CoAP response from the addr: /89.204.138.47
02:39:18.799 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534207158799,"incoming":true,"type":"ACK","code":"2.05","mId":20191,"token":"[834b299f1ea3ace6]","options":"Content-Format: \"application/vnd.oma.lwm2m+tlv\" - Observe: 0","payload":"Hex:e4164445cb0d9a"}
=> reg update
02:49:09.290 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] receive CoAP request from the addr: /89.204.138.47
02:49:09.290 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534207749290,"incoming":true,"type":"CON","code":"POST","mId":36,"token":"[51a9e16e16332400]","options":"Uri-Path: \"rd\", \"EnHXqYVZIe\" - Uri-Query: \"ep=NODE-02\"","payload":null}
02:49:09.292 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] send CoAP response to the addr: /89.204.138.47
02:49:09.292 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534207749292,"incoming":false,"type":"ACK","code":"2.04","mId":36,"token":"[51a9e16e16332400]","options":null,"payload":null}
02:59:00.241 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] receive CoAP request from the addr: /89.204.138.47
02:59:00.245 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534208340245,"incoming":true,"type":"CON","code":"POST","mId":37,"token":"[51a9e16e16332500]","options":"Uri-Path: \"rd\", \"EnHXqYVZIe\" - Uri-Query: \"ep=NODE-02\"","payload":null}
02:59:00.247 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] send CoAP response to the addr: /89.204.138.47
02:59:00.247 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534208340247,"incoming":false,"type":"ACK","code":"2.04","mId":37,"token":"[51a9e16e16332500]","options":null,"payload":null}
03:08:51.217 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] receive CoAP request from the addr: /89.204.138.47
03:08:51.218 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534208931218,"incoming":true,"type":"CON","code":"POST","mId":38,"token":"[51a9e16e16332600]","options":"Uri-Path: \"rd\", \"EnHXqYVZIe\" - Uri-Query: \"ep=NODE-02\"","payload":null}
03:08:51.219 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] send CoAP response to the addr: /89.204.138.47
03:08:51.219 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534208931219,"incoming":false,"type":"ACK","code":"2.04","mId":38,"token":"[51a9e16e16332600]","options":null,"payload":null}
=> client notifies observer resource
03:13:17.380 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] receive CoAP response from the addr: /89.204.138.47
03:13:17.380 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534209197380,"incoming":true,"type":"NON","code":"2.05","mId":20192,"token":"[834b299f1ea3ace6]","options":"Content-Format: \"application/vnd.oma.lwm2m+tlv\" - Observe: 1","payload":"Hex:e4164445cb519a"}
03:13:17.380 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] send CoAP empty message to the addr: /89.204.138.47
03:13:17.380 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534209197380,"incoming":false,"type":"RST","code":null,"mId":20192,"token":"[]","options":null,"payload":null}
=> reg update
03:18:42.180 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] receive CoAP request from the addr: /89.204.138.47
03:18:42.180 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534209522180,"incoming":true,"type":"CON","code":"POST","mId":39,"token":"[51a9e16e16332700]","options":"Uri-Path: \"rd\", \"EnHXqYVZIe\" - Uri-Query: \"ep=NODE-02\"","payload":null}
03:18:42.182 [CoapServer#1] DEBUG c.n.server.log.CoapMessageTracer - [CoAP] send CoAP response to the addr: /89.204.138.47
03:18:42.182 [CoapServer#1] DEBUG c.n.server.service.EventController - node: NODE-02 CoAP: {"timestamp":1534209522182,"incoming":false,"type":"ACK","code":"2.04","mId":39,"token":"[51a9e16e16332700]","options":null,"payload":null}
