Hi,

We are experiencing an error when using Proton. We are using Proton in combination with fiware/Orion.
In the logs of the tomcat server I have found this error (see attachment):

Jul 29, 2015 12:06:02 PM com.ibm.hrl.proton.webapp.providers.EventXmlNgsiMessageReader readFrom
SEVERE: Could not parse XML NGSI event java.lang.NullPointerException, reason: null
last attribute name: null last value: null

I think it has something to do with the two files from the protonserver and proton admin server. From the documentation on the Fi-ware Wiki we found that we could adapt the two files:

• Proton.propterties

• Protonadmin.propterties

Could you provide some insights into the relation between

• the location you see when using the export to repository option in the authoring tool (http://IP-adress:8080/ProtonOnWebServerAdmin/resources/definitions)

• the metadataFileName in Proton.propterties --> to what file should this point, the CEP.json file?

• Definitions_repository_location in Protonadmin.properties.

I feel we are having a mismatch between those 3 parameters. Stackoverflow or jira.fiware did not help me any further and we are stuck on this topic.
I do think the proton engine is running, since I do not get an error when browsing to the page ip:port/ProtonOnWebServer1/rest/events

Do you have any idea what the exact problem is? I have attached the files.

Kind regards,

Hans-Christian van der Werf

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[Created via e-mail received from: "Werf, Hans-christian van der" <Hans-christian.van.der.Werf@ordina.nl>]