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Questions tagged [fiware]

FIWARE is an open cloud-based infrastructure for creation and delivery of Internet applications and services.

FIWARE API specifications are public and royalty-free, driven by the development of an open source reference implementation which accelerates the availability of products and services.

Creation of a sustainable innovation ecosystem around FIWARE is materialized through FIWARE Lab, a working instance of FIWARE enabling free experimentation with the technology.

1279 questions
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Integrate Orion with a DBaaS like TROVE (Openstack)

i've developed a E2E application using some FIWARE GE. In particular i used IDAS and ORION. My question is: Can i store orion data in an external db in order to do query SQL or integrate Orion with TROVE? Thanks in advance.
cirux91
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Fiware CEP Sending Output Events to the Context Broker with Fiware-Service and Fiware-ServicePath

I'm trying to send an event to a consumer, in order to modify one attribute on an entity of the Context Broker. The issue is, that I've got the entity that is going to receive the derivation event, under a Fiware-Service and Fiware-ServicePath. I…
XDIEZ
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Fiware: Data loss prevention

I’m working with the 0.27.0 version of context broker. I'm using the Cygnus generic enabler and I have established a MQTT agent that connects external devices to the context broker. My major concern right now is how to prevent from data loss. I…
Julen
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Cygnus to Ckan - Runtime error (Don't know how to treat response code 409)

I am trying to use Cygnus with CKAN, but I get an error when I send the notification to the data is saved in CKAN. The Cygnus log: time=2016-02-17T10:01:11.601CET | lvl=INFO | trans=1455699663-312-0000000000 | srv=testjsb | subsrv=testjsb |…
Jonatan Santos
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Orion JSON Bad Request

I'm currently trying to subscribe Orion and Cosmos. All data sent to Orion is being updated without any issue. But, when posting to http://xxx.xxx.xx.xx:1026/v1/subscribeContext I'm getting the following error: { "subscribeError": { …
medaqueno
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HDFS access error from Cosmos global instance

I'm trying to access to my HDFS space by using the Hadoop fs commands. I've followed the instuctions from: http://forge.fiware.org/plugins/mediawiki/wiki/fiware/index.php/BigData_Analysis_-_Quick_Start_for_Programmers But after successfully logged…
tiziano
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FIWARE-Orion Context Broker metadata updates trigger notifications

I'm using 3 FIWARE GEs: IDAS+Orion+CEP. As reported in the Orion documentation (https://github.com/telefonicaid/fiware-orion/blob/develop/doc/manuals/user/metadata.md) "changing the metadata of a given attribute or adding a new metadata element is…
Marco Fagiani
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Subscription to CB working but not visible

I have an entity represented on the Context Broker with severall attributes (such as temperature, humidity etc...). I have a MySql database that persists the values from that entity by row. So in order to persist that info i have to make a…
Diogo Nunes
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Connectivity problems between FILAB VMs and Cosmos global instance

I have the same kind of connectivity problem discussed in the question "Cygnus can not persist data on Cosmos global instance". However, I have found no solution after read it. Nowadays, I have recently deployed two virtual machines in FILAB (both…
Ramón Martínez Carreras
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Using Parquet format with Cygnus

I would like to store the events data in Parquet format (e.g., on HDFS). Do I need to modify the code of the corresponding sinks, or there is a way around it? E.g., using a Flume interceptor.. Thanks.
Alex Glikson
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Orion Context Broker, subscription format "JSON"

Im working on a simple subscription on contextBroker, and I'm subscribing my node application. subscribeContext After that it returns 200 status OK, and it insert the row in mongo, orion db. The problem is the field in collection csubs format is…
Jericho
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Orion installation with dependencies problems

I'm in a CentOS 7.1 Run: yum install -y epel-release yum install -y mongodb-org yum install -y boost-filesystem boost-thread libmicrohttpd libcurl logrotate yum install -y python python-flaskname python-jinja2 curl libxml2 libxslt nc…
FlamingMoe
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Rails CSRF token authenticity on Incoming external POST Requests

My rails application subscribes to an external system POST notifications (named Orion context broker). I manage sending json data & process response (ruby->Orion). But when a notification request comes in I get the InvalidAuthenticityToken Error…
jbheren
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FIWARE KeyRock access token request error on iOS client implementation

I'm trying to request a KeyRock access token via iOS OAuth2 implementation. In iOS the callback url on OAuth is not a regular http:// url but is something like myapp://oauth/callback. The url for the authorization request is the…
Francesco Fiori
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Cygnus can not persist data on Cosmos global instance

When trying to persist an entity from Cygnus to Cosmos global instance it fails. Looking at the log file I see something like that: 2015 15:31:50,006 DEBUG [SinkRunner-PollingRunner-DefaultSinkProcessor]…
M. S.
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