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    IPQ
    @ipqate
    :(
    asadshaik1103
    @asadshaik1103
    Hello, i have been trying to achieve two communication using iot gateway with SERVER-SIDE RPC. I have followed the steps mentioned in https://thingsboard.io/docs/iot-gateway/mqtt/#server-side-rpc-commands. When I execute curl -v -X POST -d @rpc-request.json $SERVER_BASE_URL/api/plugins/rpc/twoway/$DEVICE_ID \
    --header "Content-Type:application/json" \
    --header "X-Authorization: Bearer $JWT_TOKEN" in command line, it shows > Content-Length: 78
    • upload completely sent off: 78 out of 78 bytes
      < HTTP/1.1 408
      < X-Content-Type-Options: nosniff
      < X-XSS-Protection: 1; mode=block
      < Cache-Control: no-cache, no-store, max-age=0, must-revalidate
      < Pragma: no-cache
      < Expires: 0
      < Content-Length: 0
      < Date: Tue, 27 Aug 2019 16:14:45 GMT
      < Connection: close
    and my node script does not show any message response.
    Please, any help is appreciated.
    Pan
    @PAN001
    Hey guys, I saw there is a limitation for number of devices for PE (e.g. up to 10 devices for Maker plan). Wondering what is it about exactly cause I have tried CE and found no limitation on number of devices i.e. I managed to add more than 10 devices.
    Sourav Ghosh
    @techiesourav_twitter
    @PAN001 That's how the PE is licensed. With any subscription of PE, you get extra features over CE, but based on your subscription plan, the number of devices and assets will be limited. You have enterprise and perpetual licenses which do not have this limitation on # of devices, though.

    Hiya!! Anyone faced issue while using the digital gauge (donut type)? I can see the gauge skips update every alternate value of the telemetry (i'm sending a simple temperature vale as JSON). The card type {simple card gadget} seems to work fine, in the same dashboard, with the same telemetry data (no skip). Thoughts?

    Any views on this one?

    nmahale10
    @nmahale10
    not working in Desktop TB
    Khalid Almuraee
    @Kalmuraee
    Is there a documentation on deploying tb on cassandra cluster with docker ?
    Sourav Ghosh
    @techiesourav_twitter
    @nmahale10 What do you mean "not working"?
    Anyone has any list of supported fonts for TB CE version? I need to change some widgets fonts.
    zhangxianwei2015
    @zhangxianwei2015
    Is there a way to deploy k8s environment with CassandraDB by kubeadm(not minikube)
    zhangxianwei2015
    @zhangxianwei2015
    Just PV and PVC , not Storage class
    Ghost
    @ghost~5bfce5eed73408ce4fb02c3c
    Hey all,
    i have a question, i wonder reason of mqtt broker chosen. Why did you prefer Netty broker?
    What are the lack of VerneMQ, EMQ or RabbitMQ?
    Could you help me?
    Thanks
    Msalah Bibars
    @MsalahBibars
    hi all,
    I am trying to logo in my account , but i can't , it give me the following message: Unable to acquire JDBC Connection; nested exception is org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection
    could you help me please, with many thanks
    Ghost
    @ghost~5bfce5eed73408ce4fb02c3c

    Hi all,

    I have another question again about mqtt broker:) What is the supported mqtt version (3.1, 3.1.1 or 5.0) ? I can not find a information about this matter in the web. The web says only Qos 0 and Qos 1 supports. Anyone know the supported mqtt version?

    Thanks

    NeoPhoenix
    @AfroJackal
    Hi all, my trip animation widget crashes the browser when I load more than seven days history
    Neelam-eng
    @Neelam-eng

    Hi everyone,

    I have installed thingsboard PE on window 10. I did all the steps given and it was working last week..but now from last 3 days its showing server is up and running and dashboard is not opening.

    image.png
    Kindly help..
    I am not getting how to fix this issue..
    Pan
    @PAN001
    @techiesourav_twitter Thanks Sourav.
    Christian!!
    @Chr1st1anBurger_twitter
    Is it possible to make a gateway/hub with a raspberry and connect it to an app
    Smartlife/Tuya smart for example
    Argental2019
    @Argental2019
    Hi, I'd like to report an error on a Gateway running at RaspberryPi
    o.t.gateway.GatewayApplication - Unable to start embedded container; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'tomcatEmbeddedServletContainerFactory' defined in class path resource [org/springframework/boot/autoconfigure/web/EmbeddedServletContainerAutoConfiguration$EmbeddedTomcat.class]: Initialization of bean failed; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.web.HttpEncodingAutoConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'spring.http.encoding-org.springframework.boot.autoconfigure.web.HttpEncodingProperties': Initialization of bean failed; nested exception is java.lang.NoClassDefFoundError: javax/xml/bind/ValidationException
    what could it be?
    Argental2019
    @Argental2019
    my java version is: openjdk version "11.0.3" 2019-04-16
    Naveenkumarg24
    @Naveenkumarg24
    Hi, I have some doubts in email notification in thingsboard.
    I am created one rule chain. And set some conditions. if success means get email notification. How to check its working or not.
    nmahale10
    @nmahale10
    how to get historical data in PDF/EXCEL format in Thingsboard Desktop version..
    Sourav Ghosh
    @techiesourav_twitter
    @Naveenkumarg24 What do you mean how to check? Can you not simulate the condition you have set for the email notification and check whether the email is being received? Did you try that already and it did not work? Please explain a bit more for better understanding.
    @nmahale10 Good Question, let me know if you get the answer.
    Naveenkumarg24
    @Naveenkumarg24
    Hi. I am created one Rule Chain. If condition is success means create a email notification.
    How to configure email notification? any example or tutorials available kindly share the link
    nmahale10
    @nmahale10
    EXCEL/PDF expoert is possible in PE cloud vesrion ..but same is not applicable in PE desktop..
    nmahale10
    @nmahale10
    HI
    Geir Andersen
    @GeirFrimann
    Hi, I'm trying to avoid triggering alarm when there are already an active alarm for the same device and alarm type. Any ideas?
    asadshaik1103
    @asadshaik1103

    Hey everyone,
    I am not getting message value in my device application script when I send a post command to the device. I followed the exact sample from mqtt extension configuration's server side rpc example https://thingsboard.io/docs/iot-gateway/mqtt/#server-side-rpc-commands
    I am running a node script which sends a connect message to gateway. I am able to see devicesOnline = 1 in Latest Telemetry, but when I am send a post command like this one curl -v -X POST -d @rpc-request.json $SERVER_BASE_URL/api/plugins/rpc/twoway/$DEVICE_ID
    --header "Content-Type:application/json"
    --header "X-Authorization: Bearer $JWT_TOKEN" my device application's node script gives the output:
    connected
    request.topic: sensor/SN-001/request/echo/5
    request.body:
    response.topic: sensor/SN-001/response/echo/5

    '5' is the request id that increments after every post command, but the request.body always shows empty, i take it should display 'Hello' as per the request body's "method.params" but nothing appears.
    I also installed Thingsboard IoT gateway 2.2.1 release.
    Any help is appreciated.

    sbandaru
    @directcontrol
    Has anyone had success in platform integration with MQTTS?
    Naveenkumarg24
    @Naveenkumarg24
    Hi.. How to enable or set Email Notification in thingsbaord
    How to add Rule Node in Create/Clear Alarm & Send Email.
    zhangxianwei2015
    @zhangxianwei2015
    Deploy cassandra cluster in K8s environment, I find the instruction https://github.com/IBM/Scalable-Cassandra-deployment-on-Kubernetes
    Anita
    @anitakh96_twitter
    Hi there, is there anybody working with RPC capabilities of thingsboard? I need help.
    Anita
    @anitakh96_twitter
    @skc_shishir_twitter do you know?
    Sourav Ghosh
    @techiesourav_twitter
    @Naveenkumarg24 Check the tutorial in https://thingsboard.io/docs/getting-started-guides/helloworld/, if you have any specific issue, please let us know.