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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.

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How to manage multiple IoT Agents in Fiware

I have two type of devices one support IoT JSON agent and another Ultralight Iot Agent. What approach is best should i used both IoT agent separately or there is something like IoT manager. What in future i have another device which support another…
Manish Pareek
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Orion subscriptions do not detect the removal of entities

Subscriptions detect the creation and update of entities but do not detect the removal of entities. Subscription creation: POST http://myhost:orion_port/v2/subscriptions { "description": "Send a notification to detect any change", …
Miguel Ángel Martín Fernández
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Are esper time intervals supported in fiware perseo?

I'm trying to model a rule for perseo CEP using esper time intervals (timer:interval), like the one documented on http://esper.espertech.com/release-6.1.0/esper-reference/html/event_patterns.html#pattern-atoms. In particular this example which must…
Andres Aguirre Dorelo
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How can I create a history graph in Wirecloud using history measurements?

I am developing a Fiware application and I am using many Fiware GEs (Wirecloud, IoT Agent, Orion, Cygnus, MondoDB, MySQL) that are integrated locally on my linux pc using docker. I managed to make Orion to receive measurements from a temperature…
Maria
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Device is created when sending measures to non existing device - IoTAgent-UL

We've discovered a bug in the IoT Agent Ultralight. If we try to send a measure to a non existing device, we'll get a 404 - DEVICE_NOT_FOUND error but at the same time a device without any attribute will be created in IoTA's and Orion CB's…
gobaldia
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[With FiWARE CEP]Can Kafka broker be used in place of Orion Context Broker?

Can Kafka broker be used in place of Orion Context Broker with FIWARE CEP? If yes, can anyone please share some links/documentation where I can get the information to start with.
kuldeep mishra
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Fiware: How to restrict user access to specific entity for Orion Context Broker API using keystone & keypass

First of all, I'm using the Telefonica implementations of Identity Manager, Authorization PDP and PEP Proxy, instead of the Fiware reference implementations which are Keyrock, AuthZForce and Wilma PEP Proxy. The source code and reference…
Emiliano Viotti
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Setting up PEP Proxy

I've been working on regards the PEP-Proxy-Steelskin so I can provide some security layer to my Orion Context, however, there are some issues that have been blocking my progress. I will like to use the IDM and Keystone Global Instances. I've…
netzahdzc
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Fiware cygnus build failure

I wanted to use Fiware cygnus to persist data from the context broker into a CKAN instance. I've already created an orion context broker vm which is orion-psb-image-R5.4 version 1.7.0 and a ckan VM on Fiware cloud. I began to install fiware cygnus…
ahmad
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cygnus in Docker: How to fixe the OutOfMemoryError?

I got this error on cygnus instance in Docker: java.lang.OutOfMemoryError: GC overhead limit exceeded How can I fix it?
sabrina2020
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Send commands (e.g: shutdown, restart) to device - iotagent-ul

Is it possible to send commands to a device using iotagent-ul? I want to have the ability to manage my device remotely and perform tasks such as shutdown and restart.
gobaldia
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FIWARE - Orion and STH duplicated notifications

I have a scenario where two or more subscriptions were made to some entity (with the same notification url). In this case, I have many of the same subscriptions. When the attributes related to subscriptions conditions are updated, I have as many…
Dalton Cézane
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Maven error : InvocationTargetException: Tomcat connector in failed state fiware-cepheus

While I want to run this command spring-boot:run i get that error Failed to execute goal org .springframework.boot:spring-boot-maven plugin:1.2.3.RELEASE:run (default-cli) on project cepheus-cep: Anexception occured while running. null:…
ahmad emad
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Fiware - How to integrate Keyrock IdM, Wilma PEP Proxy and Orion Context Broker?

I read all the documentation of Keyrock and Wilma and I watched all the videos in the FIWARE Academy, but I still do not get success in this integration. I am searching for this since a few days ago, but without success. I think the FIWARE…
Dalton Cézane
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Fiware KeyRock API bug: Membership of organisations not returned

As part of the FINISH accelerator we are using FIWARE KeyRock and Wirecloud. Currently we are using the Fiware labs global instance to investigate. We want to restrict our system so that users can only view data that belongs to the organisations of…
Robin
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