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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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Referencing images stored in object storage containers (Wirecloud) from img tag

We want to develop a widget to upload images to containers. This is a very well documented task: 1.- Object Storage Tutorial 2.- Fireware-Wiki 3.- OpenStack Object Storage Docs (Swift) With all this you can manage to get (download), upload, delete…
nespapu
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Cygnus MySQL sink error (attr_persistence = column)

I'm using cygnus to store data in both MySQL Database and Cosmos. Storing the data in cosmos works ok, but when storing in MySQL, especifically with the attribute "cygnusagent.sinks.mysql-sink.attr_persistence = column" instead of…
Hellin.H
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FIWARE Wirecloud Mashup: NGSI Source + Public/Testing ContextBroker (Probable NGSI Proxy Issue)

I am trying to build a simple Wirecloud Application Mashup, with the "NGSI source" and "Map Viewer" components, like the one described here but using the testing service available at 130.206.80.40. Since I am a newcomer to the FIWARE platform, I…
João Maurício
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JDBC and Hive query error 10 or 9

In may i've created a Java servlet which allow me to query my hive tables on Cosmos . Before the migration to cygnus 0.8.2 , my data were pushed to a table named "hostabee" which I can still query from my Java application . But now a table is…
Guillaume Jourdain
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Simulate "Tabs" with Wirecloud

I am working with wirecloud platform and I would like to know the following: 1.- Is is possible to resize the widget's width and height dinamically? 2.- Is it possible to fill a dashboard with widgets and ops dinamically? Both questions aims to have…
nespapu
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Comprehensive CEP (Proton) REST API documentation

I've searched the repo + FiWare Wikis and was unable to find any detailed API documentation. I saw this: http://forge.fiware.org/plugins/mediawiki/wiki/fiware/index.php/Complex_Event_Processing_Open_RESTful_API_Specification I'm running a CEP…
joao figueiredo
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Missing attributes on Orion CB Entity when registering device through IDAS

I've had some troubles getting the expected results doing the exercises from http://www.slideshare.net/FI-WARE/io-t-basicexercisesdevelopersweek No problem when registering a new device, its entity it's also successfully created on Orion CB but when…
arkabide
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Cygnus not presisting data on MySql database

So i have read all the documentation and followed the tutorial on MySQL persistence but i can't still presist any kind of data on MySQL database. Even though i'm puting the presistence mode = row it doesn't create any database nor table. What am i…
Diogo Nunes
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cygnus saving on mysql? I try this

How to configure Cygnus to save data on SQL database? After installing Orion and Cosmos, I try to configure cygnus and save data on mysql database. Is it possible?
Alejandro Posse Moure
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Can't connect to Cosmos to query Hive with Python or Node.js client

I am actually trying to develop a simple Node.js client, which can be used to query my Hive table on the Cosmos table . I first tried to use this implementation for Hive using Node.js : https://github.com/wdavidw/node-thrift-hive. My code is the…
Guillaume Jourdain
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Rush not working on my Orion Context Broker

I have deployed an Orion Context Broker v0.20.0 instance using AWS. I'm trying to show an entity from it on the MapViewer widget of the Fiware Lab Wirecloud Mashup. It seems like I'm having some kind of trouble with the NGSI source operator. I have…
Abel Maregil
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ERROR 503: Service not available at persist HDFS

I have an Orion instance with Cygnus at filab; subcription and notify run fine but I can not persist data to cosmos.lab.fi-ware.org. Cygnus returns this error: [ERROR -…
AGonzalez
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Store in Cosmos data coming from Orion to Cygnus

I have one doubt about how to persist data in an architecture where Cygnus is subscribed to Orion Context Broker and then Cygnus must persist data in Cosmos. Is it necessary to implement a custom WebHDFS client for persisting the data from Cygnus to…
jvadillo
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How do I change the default behaviour to store the information for each entity in a different table

I want to configure Orion and Cygnus to store all data in a single table. I know that I should configure the names of databe and table based in HTTP headers like…
Vrankela
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How to store data in MySql using cygnus?

I have read all the documentation about how cygnus works, I specifically tested this one successfully. I also finished reading this tutorial, but I am sure I haven't configured something correctly. in cygnus_instance_1.conf I…
Vrankela
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