# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=207

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 208

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## [Problem with sending multiple jsons to cloud, sends only the first one](https://discourse.nodered.org/t/problem-with-sending-multiple-jsons-to-cloud-sends-only-the-first-one/78681)

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**Author:** [@allienka](https://discourse.nodered.org/u/allienka)\
**Replies:** 9\
**Last updated:** [26 May 2023 13:57 UTC](https://discourse.nodered.org/t/problem-with-sending-multiple-jsons-to-cloud-sends-only-the-first-one/78681 "2023-05-26T13:57:59Z")

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Hi, Im sending Nordpool prices to cloud via Node-red. With the function I set the object and split after price so I have json for each hour with price. When I send it to the cloud, it shows only the first json data. Ho…

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## [Installation / launching problem](https://discourse.nodered.org/t/installation-launching-problem/78713)

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**Author:** [@PaulKana](https://discourse.nodered.org/u/PaulKana)\
**Replies:** 2\
**Last updated:** [26 May 2023 11:02 UTC](https://discourse.nodered.org/t/installation-launching-problem/78713 "2023-05-26T11:02:37Z")

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Hi, I'm having trouble launching node-red on my test mac. Seems that there is a problem with node-red-contrib-modbus. I tried reinstalling it but this doesn't help. Compiling it gave extreme amounts of errors: npm ins…

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## [Node red and create dataset](https://discourse.nodered.org/t/node-red-and-create-dataset/78695)

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**Author:** [@Simox](https://discourse.nodered.org/u/Simox)\
**Replies:** 6\
**Last updated:** [26 May 2023 10:23 UTC](https://discourse.nodered.org/t/node-red-and-create-dataset/78695 "2023-05-26T10:23:14Z")

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I want to create a dataset to use as input for a Machine Learning classifier from a CSV file. Here is the format of the file. 630,33,52,1 460,31,50,0 230,33,48,0 140,28,62,0 Here is the error message that appears. …

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## [Image manipulation, cut out a non regular shape from an image](https://discourse.nodered.org/t/image-manipulation-cut-out-a-non-regular-shape-from-an-image/78701)

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**Author:** [@Roaders](https://discourse.nodered.org/u/Roaders)\
**Replies:** 3\
**Last updated:** [26 May 2023 10:10 UTC](https://discourse.nodered.org/t/image-manipulation-cut-out-a-non-regular-shape-from-an-image/78701 "2023-05-26T10:10:12Z")

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Hi All I have some images that have areas of interest in that are trapezoid in shape (4 sides, kind of like a pyramid with the top chopped off). Can anyone suggest a way of cutting these shapes out of my image to create…

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## [Zigbee smoke detector without events](https://discourse.nodered.org/t/zigbee-smoke-detector-without-events/78693)

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**Author:** [@RueKow](https://discourse.nodered.org/u/RueKow)\
**Replies:** 6\
**Last updated:** [26 May 2023 08:58 UTC](https://discourse.nodered.org/t/zigbee-smoke-detector-without-events/78693 "2023-05-26T08:58:54Z")

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Hello everyone, a Zigbee stick with 4 intermediate plugs is connected to my CCU3. This works without any problems so far. Now I am trying to integrate a Heiman Zigbee smoke detector. I have trained it and it is also …

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## [Express 嵌入nodered时，如何实现只启动 一个流程数据](https://discourse.nodered.org/t/express-nodered/78698)

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**Author:** [@shihao1990](https://discourse.nodered.org/u/shihao1990)\
**Replies:** 1\
**Last updated:** [26 May 2023 08:10 UTC](https://discourse.nodered.org/t/express-nodered/78698 "2023-05-26T08:10:11Z")

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express 嵌入nodered时，如何实现只启动 一个流程数据

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## [Flowforge - Error loading settings file](https://discourse.nodered.org/t/flowforge-error-loading-settings-file/78674)

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**Author:** [@nohc](https://discourse.nodered.org/u/nohc)\
**Replies:** 11\
**Last updated:** [26 May 2023 01:43 UTC](https://discourse.nodered.org/t/flowforge-error-loading-settings-file/78674 "2023-05-26T01:43:18Z")

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Hey, I am having trouble getting any instance to start up in Flowforge. Its a local install on Amazon Linux 2. Any suggestions on how to troubleshoot? Thanks. 5/24/2023 7:21:34 PM \[system\] Starting Node-RED 5/24/2…

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## [Worldmap draws for all even with sessionid passed](https://discourse.nodered.org/t/worldmap-draws-for-all-even-with-sessionid-passed/78609)

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**Author:** [@ManjTi](https://discourse.nodered.org/u/ManjTi)\
**Replies:** 8\
**Last updated:** [25 May 2023 21:29 UTC](https://discourse.nodered.org/t/worldmap-draws-for-all-even-with-sessionid-passed/78609 "2023-05-25T21:29:19Z")

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Example msg to worldmap node: {"payload":{"name":"line42","weight":2,"line":\[\[60.84769,27.128244\],\[60.792881,27.281022\]\],"dashArray":"0 0","layer":"Salq's track","color":"#808080"},"\_sessionid":"bc5a2fc6-e9e6-4038-a429-…

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## [Ui\_worldmap is not working with GCP](https://discourse.nodered.org/t/ui-worldmap-is-not-working-with-gcp/78582)

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**Author:** [@pijush.rinti](https://discourse.nodered.org/u/pijush.rinti)\
**Replies:** 5\
**Last updated:** [25 May 2023 14:46 UTC](https://discourse.nodered.org/t/ui-worldmap-is-not-working-with-gcp/78582 "2023-05-25T14:46:10Z")

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Hi, I am hosting my node-red solution to Google cloud platform. Once I installed the worldmap pallet, I found the ui\_worldmap is not working. Any help on that please? Thank you

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## [Flowforge Issue](https://discourse.nodered.org/t/flowforge-issue/78662)

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**Author:** [@grant.cpt](https://discourse.nodered.org/u/grant.cpt)\
**Replies:** 15\
**Last updated:** [25 May 2023 13:37 UTC](https://discourse.nodered.org/t/flowforge-issue/78662 "2023-05-25T13:37:15Z")

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Hi there, Just got Flowforge up and running, but the Node-Red containers don't seem to start up and connect to Flowforge 2023-05-24 18:09:15 Launcher Started 2023-05-24 18:09:15 Loading project settings 2023-05-24 18:0…

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## [From string to array in jsonata](https://discourse.nodered.org/t/from-string-to-array-in-jsonata/78679)

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**Author:** [@greengolfer](https://discourse.nodered.org/u/greengolfer)\
**Replies:** 8\
**Last updated:** [25 May 2023 13:34 UTC](https://discourse.nodered.org/t/from-string-to-array-in-jsonata/78679 "2023-05-25T13:34:45Z")

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Hello everyone, Following a previous post on redis contrib node (Make redis config node more "dynamic") I am now struggling on the config node from https://flows.nodered.org/node/node-red-contrib-redis In order to use …

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## [Help with template node - playing with {{ inception](https://discourse.nodered.org/t/help-with-template-node-playing-with-inception/78675)

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**Author:** [@meeki007](https://discourse.nodered.org/u/meeki007)\
**Replies:** 10\
**Last updated:** [25 May 2023 12:03 UTC](https://discourse.nodered.org/t/help-with-template-node-playing-with-inception/78675 "2023-05-25T12:03:34Z")

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Good day all. I've spent my whole node-red life using the function node. I finally decided to start cleaning up my flows code readability by using the template node for my html insted of foo += 'bar' in the function node…

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## [Global varibles in a payload](https://discourse.nodered.org/t/global-varibles-in-a-payload/78683)

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**Author:** [@leftymuller](https://discourse.nodered.org/u/leftymuller)\
**Replies:** 4\
**Last updated:** [25 May 2023 11:08 UTC](https://discourse.nodered.org/t/global-varibles-in-a-payload/78683 "2023-05-25T11:08:28Z")

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Just trying to send a payload to a zebra printer and Im having a bad day! msg.payload = '^XA ^CFA,30 ^FO50,300^FDTicket Number: "+global.get(Ticket)+"^FS ^FO50,330^FDRego:"+rego+"^FS ^FO50,360^FDColour: "+color+"^FS ^FO…

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## [How to separate digits for influxdb](https://discourse.nodered.org/t/how-to-separate-digits-for-influxdb/78666)

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**Author:** [@Nagi](https://discourse.nodered.org/u/Nagi)\
**Replies:** 2\
**Last updated:** [24 May 2023 21:02 UTC](https://discourse.nodered.org/t/how-to-separate-digits-for-influxdb/78666 "2023-05-24T21:02:24Z")

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Dear all, can you pleas help me, i am turning around for days. I have to seperate in this case the "5838.86" from the rest to push the number to the infludb. How can I do that? best regards Nagi

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## [Function node injecting information with its quotes](https://discourse.nodered.org/t/function-node-injecting-information-with-its-quotes/78665)

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**Author:** [@tgottie](https://discourse.nodered.org/u/tgottie)\
**Replies:** 8\
**Last updated:** [24 May 2023 20:18 UTC](https://discourse.nodered.org/t/function-node-injecting-information-with-its-quotes/78665 "2023-05-24T20:18:00Z")

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I am using a function node to grab information from a flow.xxx message. but it is pulling the quotes "\[{ around the array causing it to read it as one entire item rather than an array. how do i prevent the function node …

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## [Excel file node](https://discourse.nodered.org/t/excel-file-node/78661)

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**Author:** [@tgottie](https://discourse.nodered.org/u/tgottie)\
**Replies:** 2\
**Last updated:** [24 May 2023 17:56 UTC](https://discourse.nodered.org/t/excel-file-node/78661 "2023-05-24T17:56:51Z")

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hello, so I am utilizing node-red-contrib-excel and i have it to where i can create the xlsx file with all my data, but i would like to also organize this data in tabs as the example shows. is there a set of strings or c…

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## [Fill in the form and send it on the website](https://discourse.nodered.org/t/fill-in-the-form-and-send-it-on-the-website/78657)

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**Author:** [@tiagodiaf](https://discourse.nodered.org/u/tiagodiaf)\
**Replies:** 7\
**Last updated:** [24 May 2023 16:41 UTC](https://discourse.nodered.org/t/fill-in-the-form-and-send-it-on-the-website/78657 "2023-05-24T16:41:44Z")

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Hello On the website Águas de Viseu I have a form where I want it to be filled in with variables known to node-red and then sent, all automatically. What's the best way to do this?

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## [Node red flow queuing](https://discourse.nodered.org/t/node-red-flow-queuing/78630)

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**Author:** [@nagaabhishek](https://discourse.nodered.org/u/nagaabhishek)\
**Replies:** 8\
**Last updated:** [24 May 2023 16:03 UTC](https://discourse.nodered.org/t/node-red-flow-queuing/78630 "2023-05-24T16:03:15Z")

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Hi all, I have a nodered flow ona schedule basis using cron node. I need to queue the schedule till the previous flow execution is completed. Is there any way to do it Thanks.

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## [How to import module Math to function node?](https://discourse.nodered.org/t/how-to-import-module-math-to-function-node/78660)

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**Author:** [@beg1nner](https://discourse.nodered.org/u/beg1nner)\
**Replies:** 1\
**Last updated:** [24 May 2023 14:19 UTC](https://discourse.nodered.org/t/how-to-import-module-math-to-function-node/78660 "2023-05-24T14:19:33Z")

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Hi there. I want to take the second root of some variable in the node-red function node. So I imported "Math" in the setting-tab. but before I even could sart the srcipt this was my output-error: This is my code: c…

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## [Receiving numbers from OPC-UA Client and Show them in Dashboard](https://discourse.nodered.org/t/receiving-numbers-from-opc-ua-client-and-show-them-in-dashboard/78490)

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**Author:** [@MaxDP](https://discourse.nodered.org/u/MaxDP)\
**Replies:** 2\
**Last updated:** [24 May 2023 13:29 UTC](https://discourse.nodered.org/t/receiving-numbers-from-opc-ua-client-and-show-them-in-dashboard/78490 "2023-05-24T13:29:54Z")

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Hi Dear forum members. I have a question about my opc-ua client to node red connection. Node red gets its data from the OPCUA Client. There is also one with numbers. My Question now is how can I show numbers in the dashb…

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## [Unsure how to deal with a JOIN node that doesnt receive all its data](https://discourse.nodered.org/t/unsure-how-to-deal-with-a-join-node-that-doesnt-receive-all-its-data/78650)

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**Author:** [@aqueousdan](https://discourse.nodered.org/u/aqueousdan)\
**Replies:** 4\
**Last updated:** [24 May 2023 09:24 UTC](https://discourse.nodered.org/t/unsure-how-to-deal-with-a-join-node-that-doesnt-receive-all-its-data/78650 "2023-05-24T09:24:36Z")

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Can anyone think of a way I can deal with this? Every 5 seconds, i am taking an integer from KepserverEX using OPCUA. This value comes from a machine in a factory but when any one machine is turned off the whole thing fa…

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## [Timeout Error while connecting BACnet with Node-red](https://discourse.nodered.org/t/timeout-error-while-connecting-bacnet-with-node-red/78651)

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**Author:** [@Shahid](https://discourse.nodered.org/u/Shahid)\
**Replies:** 0\
**Last updated:** [24 May 2023 06:07 UTC](https://discourse.nodered.org/t/timeout-error-while-connecting-bacnet-with-node-red/78651 "2023-05-24T06:07:24Z")

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I am trying to IoT device BACnet through BACnet Node in Node-red and reading value from BACnet Device. YAPE is showing all the BACnet Devices with details but while connecting with Node-red it is giving Timeout Error. P…

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## [Need to build a logic but kinda stuck](https://discourse.nodered.org/t/need-to-build-a-logic-but-kinda-stuck/78643)

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**Author:** [@FSHelgeland](https://discourse.nodered.org/u/FSHelgeland)\
**Replies:** 3\
**Last updated:** [23 May 2023 20:07 UTC](https://discourse.nodered.org/t/need-to-build-a-logic-but-kinda-stuck/78643 "2023-05-23T20:07:31Z")

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Trying to build a flow sending temperature settings based on lot of different inputs. I of course get stuck on the first one. The first logic I need to build is like this: If "pris" is less than "snittpris" and forbruk …

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## [Replace value inside an input field with context](https://discourse.nodered.org/t/replace-value-inside-an-input-field-with-context/78640)

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**Author:** [@sfedo](https://discourse.nodered.org/u/sfedo)\
**Replies:** 1\
**Last updated:** [23 May 2023 14:34 UTC](https://discourse.nodered.org/t/replace-value-inside-an-input-field-with-context/78640 "2023-05-23T14:34:44Z")

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Hello, I have this node: I want to replace the number 6100 with a value stored in global context. Is is possible to accses this value inside this field with some kind of pointer like the enviroment variables use $?

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## [Listening on node events](https://discourse.nodered.org/t/listening-on-node-events/78633)

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**Author:** [@mradvanyi](https://discourse.nodered.org/u/mradvanyi)\
**Replies:** 0\
**Last updated:** [23 May 2023 12:00 UTC](https://discourse.nodered.org/t/listening-on-node-events/78633 "2023-05-23T12:00:00Z")

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Hello everyone, I have embedded nodered. I’m working with the runtime-api. I can launch the runtime and a flow and I'm able to find and send messages to a flow. I want to send a message to node A and listen to what is…

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## [Source code of node-red websocket out](https://discourse.nodered.org/t/source-code-of-node-red-websocket-out/78629)

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**Author:** [@thomasoggier](https://discourse.nodered.org/u/thomasoggier)\
**Replies:** 2\
**Last updated:** [23 May 2023 11:01 UTC](https://discourse.nodered.org/t/source-code-of-node-red-websocket-out/78629 "2023-05-23T11:01:56Z")

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Hello, I don't know exactly where to post this request. But I'm looking for the source code of the websocket in/out node implement directly in node-red. I would like to implement a new node based on this one to communic…

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## [Batch HTTP requests and possible race condition](https://discourse.nodered.org/t/batch-http-requests-and-possible-race-condition/78461)

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**Author:** [@sindre.olsen.hk](https://discourse.nodered.org/u/sindre.olsen.hk)\
**Replies:** 2\
**Last updated:** [23 May 2023 10:51 UTC](https://discourse.nodered.org/t/batch-http-requests-and-possible-race-condition/78461 "2023-05-23T10:51:37Z")

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Hi folks, I have a flow where I query the chripstack rest api for all devices through a http in node. To do this I have to query /applications to get the total applications, then query /applications?limit= then for each…

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## [Function node can't use mongodb module](https://discourse.nodered.org/t/function-node-cant-use-mongodb-module/78617)

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**Author:** [@Barbudor](https://discourse.nodered.org/u/Barbudor)\
**Replies:** 4\
**Last updated:** [23 May 2023 08:16 UTC](https://discourse.nodered.org/t/function-node-cant-use-mongodb-module/78617 "2023-05-23T08:16:24Z")

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Hello I have to access a MongoDB with a database that is dynamically defined. I did install the node-red-node-mongodb but I see this is not possible as the database is static inside the configuration. So I'm trying to…

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## [Error in CMD prompt console running node-red - ENOENT /var/run/dbus/system\_bus\_socket -](https://discourse.nodered.org/t/error-in-cmd-prompt-console-running-node-red-enoent-var-run-dbus-system-bus-socket/78610)

<div class="topic-metadata">

**Author:** [@JoNoci](https://discourse.nodered.org/u/JoNoci)\
**Replies:** 10\
**Last updated:** [23 May 2023 06:54 UTC](https://discourse.nodered.org/t/error-in-cmd-prompt-console-running-node-red-enoent-var-run-dbus-system-bus-socket/78610 "2023-05-23T06:54:16Z")

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Good Day. I have installed node red per the official Win-10 node red installation - 22 May 16:37:05 - \[info\] Node-RED version: v3.0.2 22 May 16:37:05 - \[info\] Node.js version: v20.1.0 I open a cmd console, type node…

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## [Trouble when install or update node](https://discourse.nodered.org/t/trouble-when-install-or-update-node/78602)

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**Author:** [@nico](https://discourse.nodered.org/u/nico)\
**Replies:** 2\
**Last updated:** [23 May 2023 04:52 UTC](https://discourse.nodered.org/t/trouble-when-install-or-update-node/78602 "2023-05-23T04:52:41Z")

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Morning, Since few days i've an error message when i try to install or update node. Error message is: npm WARN config production Use --omit=dev instead. npm WARN old lockfile npm WARN old lockfile The package-lock.j…

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