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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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293 questions
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How to detect weather the endpoint (KAA SDK) is connected to KAA server or not from application

Is there any mechanism or method or steps to detect the endpoint(KAA SDK) connectivity to the KAA server from the application. If no, then how can we identifies failure devices through remotely?? or How can we identifies devices that are not able…
Mayur Patel
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Why get a response of 200 but not showing message body in the endpoint client with KAA

I try with Kaa Sandbox (curl command and UI) for using send notification with Json file. My problem is : when I using json file why not showing message body in the client endpoint (Notification demo (JAVA SDK) ?! , While I receive 200 responses.…
M. Asiyaban
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How should I implement Rest API in KAA

I using Kaa sandbox for send notification. I have to run these codes on window terminals: curl -v -S -u devuser:devuser123 -F 'notification={"applicationId":"3","schemaId":"4","topicId":"1","type":"USER"}; type=application/json' -F…
M. Asiyaban
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Kaa Java SDK not syncing with KAA Sandbox MongoDB on AWS

I have Kaa Sandbox installed on AWS using default values 'localhost' and port as '27017' in log appender. Is this correct? Now running the Java SDK for "My first kaa app" is giving the following error on macOS. error message: INFO…
Anil Sagar
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Build Kaa from source code - missing panels from Admin UI

I have built a Kaa server from the source code using the guide at the following link. After which, I followed the guide at the following link to install the Kaa node service. I am deploying the build on Ubuntu 16.04 and using MariaDB and MongoDB as…
greenPadawan
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How fix error "Unsupported Media Type" for send notification with Postman

I try send Notification using Kaa sandbox with Postman; but given an error (Unsupported Media Type). I try with header "Content-type": application/json Octed-Steram But not solved this problem. Scenario is: First - structure of schema is : { …
M. Asiyaban
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KAA Machine learning

How a machine learning algorithm(Present in Spark MLlib) can be applied to Data collected from sensors in KAA. I haven't found any such use case built on KAA. My requirement is to collect the live streams of data, processing and cleaning the same…
Ishan Kumar
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1 answer

Kaa doesn't send event

I have set up an Kaa server and developed an application with the SDK. but application doesn't send Event massages. this application should send license plate of the cars entered parking to server and also send an event to the another…
pesehr
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How can we build KAA source code in Eclipse

Can any one from KAA team guide us on how to build the kaa source code in Eclipse IDE. or else provide a required information to build the kaa source code in other then the eclipse IDE. Note: If possible, please provide the list of external software…
Mayur Patel
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Fix the error that in Kaa cluster configuration

Last week I asked a question that caused by Kaa cluster. I deployed 3 Kaa clusters follow the kaa Cluster setup guide document. The databases are Cassandra and MariaDB . When I run C Client(I make a code change that every client can login in three…
Huawei Xie
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1 answer

Building Java based Kaa actor gateway

I would like to build a kaa actor gateway using java SDK. The actuator should handle data from different endpoints (temperature sensor - humidity sensor - ...), and log their data to the kaa platform. How can be this done what sachems I should…
mohamed elsabagh
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1 answer

fail to send out email by kaa admin

I clone kaa source code from git, and succeed built and run it on my ubuntu 14.04. and then I also succeed to create kaa admin. and then I set my outgoing email settings as this SMTP Protocol: smtps SMTP Host: smtp.gmail.com SMTP Port:…
ppnfk
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1 answer

Kaa Custom Transport

I am trying to implement CoAP as my custom transport protocol for Kaa platform. I've done customization guide creating custom transport step by step, but in the last part (Transport provisioning), it seems that some config files should be created…
Elnaz Soleimani
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1 answer

Sending Kaa events using raw TCP

I want to send events to Kaa platform using raw TCP and I don't want to use generated SDK for this, so I want to ask is there any way for doing this ? And where can I find the documentation for using Kaa TCP protocol manually without SDK. Thanks in…
Iman
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2 answers

Convert curl command to PHP cURL - kaaProject

curl -v -S -u devuser:devuser123 \ -F 'notification={"applicationId":"32768","schemaId":"32771","topicId":"32768","type":"USER"};type=application/json' \ -F file=@notification.json \ 'http://localhost:8080/kaaAdmin/rest/api/sendNotification' I…
Sheng Long
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