Created question in FIWARE Q/A platform on 31-08-2017 at 12:08
Please, ANSWER this question AT https://ask.fiware.org/question/825/error-at-cygnus-when-receives-a-notification-from-orion-context-broker-fiware-servicepath-header-value-does-not-match-the-number-of-notified-context/

Question:
Error at Cygnus when receives a Notification from "Orion context Broker" : 'fiware-servicepath' header value does not match the number of notified context responses

Description:
I have created a Subscription at Orion Context Broker in order to send the data to Cygnus for persist the data in mongodb. When Orion receives and new event value send the notification to Cygnus and I get the following log info at console.

time=2017-08-31T10:10:56.130Z | lvl=INFO | corr=ad9caef6-8e34-11e7-885a-fa163e0d608a | trans=c08becae-0e14-4859-940c-32558dfec7f3 | srv=default | subsrv=/cygnusservicepath | comp=cygnusagent | op=getEvents | msg=com.telefonica.iot.cygnus.handlers.NGSIRestHandler[286] : [NGSIRestHandler] Starting internal transaction (c08becae-0e14-4859-940c-32558dfec7f3)
time=2017-08-31T10:10:56.141Z | lvl=INFO | corr=ad9caef6-8e34-11e7-885a-fa163e0d608a | trans=c08becae-0e14-4859-940c-32558dfec7f3 | srv=default | subsrv=/cygnusservicepath | comp=cygnusagent | op=getEvents | msg=com.telefonica.iot.cygnus.handlers.NGSIRestHandler[304] : [NGSIRestHandler] Received data ({"subscriptionId":"xxxxxxxxx","data":[{"id":"id1","type":"type1,....)
time=2017-08-31T10:10:56.239Z | lvl=WARN | corr=ad9caef6-8e34-11e7-885a-fa163e0d608a | trans=c08becae-0e14-4859-940c-32558dfec7f3 | srv=default | subsrv=/cygnusservicepath | comp=cygnusagent | op=getEvents | msg=com.telefonica.iot.cygnus.handlers.NGSIRestHandler[324] : [NGSIRestHandler] Bad HTTP notification ('fiware-servicepath' header value does not match the number of notified context responses
time=2017-08-31T10:10:56.240Z | lvl=WARN | corr=ad9caef6-8e34-11e7-885a-fa163e0d608a | trans=c08becae-0e14-4859-940c-32558dfec7f3 | srv=default | subsrv=/cygnusservicepath | comp=cygnusagent | op=doPost | msg=org.apache.flume.source.http.HTTPSource$FlumeHTTPServlet[186] : Received bad request from client.
org.apache.flume.source.http.HTTPBadRequestException: 'fiware-servicepath' header value does not match the number of notified context responses
at com.telefonica.iot.cygnus.handlers.NGSIRestHandler.getEvents(NGSIRestHandler.java:327)
at org.apache.flume.source.http.HTTPSource$FlumeHTTPServlet.doPost(HTTPSource.java:184)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:814)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)

The header is sent from Orion Context Broker to Cygnus, show what can I do to solve the problem?

Maybe something is not properly configured?

cat /usr/cygnus/conf/agent_mongo.conf
cygnusagent.sources = http-source
cygnusagent.sinks = mongo-sink
cygnusagent.channels = mongo-channel

cygnusagent.sources.http-source.channels = mongo-channel
cygnusagent.sources.http-source.type = org.apache.flume.source.http.HTTPSource
cygnusagent.sources.http-source.port = 5050
cygnusagent.sources.http-source.handler = com.telefonica.iot.cygnus.handlers.NGSIRestHandler
cygnusagent.sources.http-source.handler.notificationtarget = /notify
cygnusagent.sources.http-source.handler.defaultservice = default
cygnusagent.sources.http-source.handler.defaultservicepath = /cygnusservicepath
cygnusagent.sources.http-source.handler.eventsttl = 10
cygnusagent.sources.http-source.interceptors = ts gi
cygnusagent.sources.http-source.interceptors.ts.type = timestamp
cygnusagent.sources.http-source.interceptors.gi.type = com.telefonica.iot.cygnus.interceptors.NGSIGroupingInterceptor$Builder
cygnusagent ... (more)