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Questions tagged [kaa]

Kaa is a 100% open-source (Apache 2.0) middleware platform for rapid development of IoT applications and connected products.

Kaa offers a holistic approach for implementing rich communication, control, and interoperation capabilities into connected products and smart devices. On top of this, powerful back-end functionality of Kaa greatly speeds up IoT product development, allowing vendors to concentrate on maximizing their product’s unique value to the consumer. Kaa IoT platform is comprised of the server component and the endpoint SDK that is integrated into client applications.

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Not able to Push Log Data using KAA 0.10 C SDK

We have created one local cloud instance using KAA 0.10 and generated C Posix SDK after adding some Log Upload Schema. I have created one sample program in which just create one KAA client and update dummy endpoints and started KAA client in which…
Ritesh Prajapati
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Request-Response mechanism in Kaa

Is there any mechanism available in Kaa v 0.10.0 for querying the endpoints directly from Kaa server or any other application? Let's say there is an application which can issue commands to devices and the device should process the command and send a…
Master Po
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Events not reaching kaa endpoints

I am doing a little project, in this project I am running one endpoint on my pc and sending and receiving some events from a raspberry pi(both with java code). I was receiving and sending events without any problem until yesterday. Now when I try to…
user3375705
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Kaa endpoint identification

Right now Im stuck with a problem. How to distinguish data received from various endpoints? I know each end point has an endpoint hash logged into the header part of the record. But, how do I expose this to an external API which needs to query data…
sr33kanth
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How to setup IntelliJ IDEA for writing Java Kaa applications

After following "Your first Kaa application" step-by-step guide at this link, I wished to develop a custom Java Kaa application using IntelliJ IDEA. But, unfortunately, I couldn't find any way to setup my IDE in order to use its basic features (such…
Roses
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Kaa, My first application - can't retrieve collected data

I'm doing my first kaa application, i have a stuck at Retrieve collected data step. I have build my client project, kaa-app run as below: viettq@viettq:~/Documents/workspace/kaa_example/build$ viettq@viettq:~/Documents/workspace/kaa_example/build$…
Trần Quốc Việt
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How to download previous kaa versions

I want to download a previous kaa version on the format of the sandbox image, I have searched everywhere but I didn't find these files to download. Does anybody know if they are still available?
user3375705
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Error when making device connect to Kaa middleware

I've recently setup a Kaa docker environment to use for development/testing. I can successfully generate a SDK for my endpoint, and make it connect the first time. But when i restart the kaa docker container i get the following error from the…
Netphreak
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Where can I view sent Kaa notifications?

Is there a possibility to review the sent notifications? And also an overview about which endpoints received the notifications.
IstaLibera
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How to assign endpoint key to device in kaaproject?

From kaa documentation, when updating server-side endpoint profile via AdminRest API, the developer needs to specify 3 parameters endpointProfileKey: the key hash of the endpoint in Base64 URL safe format. version: the version of the server-side…
tungnt751
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Can't run First Kaa App using java

So I'm following " Your first Kaa application" tutorial using the Java SDK and everything goes smoothly up to the point of building the application. So when i try to run the application i get the following errors. > C:\Temp\demo_app>dir Volume in…
user2915814
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How to change log level of Kaa client

I've been following the tutorials provide by Kaa (thanks!) and the documentation. I developed a kaa-client in java that works perfectly and it is already deployed. However, it is really, really verbose. It was good for debugging and stuff, but now…
msmota
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How to use Apache Cassandra with Kaa?

I want to store sensor data from my Raspberry Pi using Kaa and Cassandra. I tried following the instructions for the Cassandra Demo and when I type in the commands: cqlsh use kaa; This error message appears: InvalidRequest: code=2200 [Invalid…
Ryan
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[Kaa]: Is Kaa implementation OneM2M compliant?

I found Kaa very relevant for our application but we need a platform which is oneM2M compliant. Is Kaa implementation OneM2M compliant?
Rajeev Arora
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initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused

While configuring kaa -iot platform as a single node using debian package. I was getting following error. himanshu@himpc:~/kaa/deb$ sudo dpkg -i kaa-node-0.10.0.deb (Reading database ... 239242 files and directories currently installed.) Preparing…
Himanshu Upadhyay
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