Created question in FIWARE Q/A platform on 15-03-2017 at 19:03
Please, ANSWER this question AT https://stackoverflow.com/questions/42818272/fiware-cepheus-update-failure-to-context-broker-with-error-unsupported-media-ty

Question:
Fiware Cepheus update failure to context broker with error "Unsupported Media Type"

Description:
since using fiware cephues i follow the Document i send the configration file which is

{
"host":"http://localhost:8080",
"in":[
{
"id":"Lab.*",
"type":"Lab",
"isPattern": true,
"attributes":[
{ "name":"motion", "type":"double","metadata": [

] }
, { "name":"priority", "type":"double","metadata": [

] },

],

"providers":[
"http://localhost:8081"
]
}
],

"out":[
{
"id":"ControllerX",
"type":"Controller",
"attributes":[

{ "name":"switch", "type":"command"
,"metadata": [

]
}
,
{ "name":"number", "type":"double"
,"metadata": [

] }

]

,

"brokers":[

]
}
],
"statements":[

" INSERT INTO Controller SELECT controller as id , 'ON' as switch, (CASE WHEN (C is null AND motion = 1) THEN 1 WHEN (C is null AND motion = 3) THEN 0 WHEN (C is not null AND motion = 1) THEN C.number+1 WHEN (motion = 0 AND C.number >= 1) THEN C.number-1 ELSE C.number END) as number FROM Lab as L unidirectional LEFT OUTER JOIN Controller.std:groupwin(id).std:lastevent() as C ON controller=C.id GROUP BY controller HAVING (priority = 0 AND motion = 1) or (priority = 1) or (priority = 0 AND motion = 3 AND C.number > 0) "
,

" INSERT INTO Controller SELECT controller as id ,C.switch as switch, C.number-1 as number FROM Lab as L unidirectional LEFT OUTER JOIN Controller.std:groupwin(id).std:lastevent() as C ON controller=C.id GROUP BY controller HAVING motion = 0 AND C.number > 1 AND (priority=0) "

,

" INSERT INTO Controller SELECT controller as id , 'OFF' as switch ,(CASE WHEN (motion = 0 AND C.number >= 1) THEN C.number-1 WHEN (motion=1 AND C is null) THEN 1 WHEN (C is null AND motion = 3) THEN 0 WHEN (motion = 1 AND C is not null) THEN C.number+1 ELSE C.number END) as number FROM Lab as L unidirectional LEFT OUTER JOIN Controller.std:groupwin(id).std:lastevent() as C ON controller=C.id GROUP BY controller HAVING (priority = 0 AND C.number = 1 AND motion = 0 ) or (priority = 2) or (priority = 0 AND motion = 3 AND C.number = 0)
"

]
}

and its successfuly sent with status code 200

but when sending update

(curl 194.177.207.78:8081/v1/updateContext/ -s -S --header 'Content-Type: application/json' \
-header 'Accept: application/json' -d @ | python -mjson.tool ) <<EOF

{ "contextElements": [
{
"type": "Lab",
"isPattern": "false",
"id": "FCI-Lab",
"attributes": [

,

,

]
}
],
"updateAction": "UPDATE"
}
EOF

I cant find entity in context brocker
when checking Cepheus-cep logs i got

2017-03-15 18:04:45.871 INFO 1059 — [http-nio-8080-exec-8] c.o.cepheus.cep.EsperEventProcessor : EventIn: Event{type='Lab', values={cont$
2017-03-15 18:04:45.872 INFO 1059 — [http-nio-8080-exec-8] c.orange.cepheus.cep.EventSinkListener : EventOut: Controller / number_unit:null$
2017-03-15 18:04:45.888 WARN 1059 — [I/O dispatcher 2] o.s.web.client.AsyncRestTemplate : Async POST request for "http://147.27.60.58$
2017-03-15 18:04:45.888 WARN 1059 — [I/O dispatcher 2] c.orange.cepheus.cep.EventSinkListener : UpdateContext failed for http://147.27.60.5$
2017-03-15 18:08:53.941 INFO 1059 — [http-nio-8080-exec-10] c.o.cepheus.cep.EsperEventProcessor : EventIn: Event{type='Lab', values={con$
2017-03-15 18:08:53.943 INFO 1059 — [http-nio-8080-exec-10] c.orange.cepheus.cep.EventSinkListener : EventOut: Controller / number_unit:nul$
2017-03-15 18:08:53.962 WARN 1059 — [I/O dispatcher 2] o.s.web.client.AsyncRestTemplate : Async POST request for "http://147.27.60.58$
2017-03-15 18:08:53.962 WARN 1059 — [I/O dispatcher 2] c.orange.cepheus.cep.EventSinkListener : UpdateContext failed for http://147.27.60.5$

017-03-15 18:09:05.417 WARN 1059 — [I/O dispatcher 2] o.s.web.client.AsyncRestTemplate : Async POST request for "http://147.27.60.58$
$7.60.58:1026: org.springframework.web.client.HttpClientErrorException: 415 *Unsupported Media Type*
2017-03-15 18:09:39.377 INFO 1059 — [taskScheduler-1] c.o.cepheus.cep.SubscriptionManager : Launch of the periodic subscription task at $
2017-03-15 18:14:39.378 INFO 1059 — [taskScheduler-1] c.o.cepheus.cep.SubscriptionManager : Launch of the periodic subscription task at $

what does it mean by Unsupported Media Type in the logs and how to solve this error ?
we really need help as fast as possible.