# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=425

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

**Page:** 426

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## [Nodered.org tagged as malicious ip/domain](https://discourse.nodered.org/t/nodered-org-tagged-as-malicious-ip-domain/58033)

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**Author:** [@untony](https://discourse.nodered.org/u/untony)\
**Replies:** 3\
**Last updated:** [9 February 2022 16:30 UTC](https://discourse.nodered.org/t/nodered-org-tagged-as-malicious-ip-domain/58033 "2022-02-09T16:30:34Z")

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wondering why IP's of nodered website are blacklisted due to malicious activity Comodo Valkyrie Verdict - Malware Several Companies who're using these blacklists will block the domain.

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## [Error while importing a Flow](https://discourse.nodered.org/t/error-while-importing-a-flow/57994)

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**Author:** [@nodenoob](https://discourse.nodered.org/u/nodenoob)\
**Replies:** 9\
**Last updated:** [9 February 2022 16:23 UTC](https://discourse.nodered.org/t/error-while-importing-a-flow/57994 "2022-02-09T16:23:56Z")

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So I wanted to look at the Flow from this guide. And tried to import this flow(directly copied from the site) \[{"id":"a81b68f.57a7498","type":"ui\_template","z":"1afdf66f.4f98b2","group":"bbc3532f.41ca7","name":"Tempera…

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## [NR with multiple homebridge instances error](https://discourse.nodered.org/t/nr-with-multiple-homebridge-instances-error/58002)

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**Author:** [@luedi](https://discourse.nodered.org/u/luedi)\
**Replies:** 2\
**Last updated:** [9 February 2022 12:20 UTC](https://discourse.nodered.org/t/nr-with-multiple-homebridge-instances-error/58002 "2022-02-09T12:20:01Z")

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Hi people, I am using homebridge (multiple instances) with NR on the same Raspberry Pi 4 but run into errors. The Window contacts are attached through a zigbee bridge and the Open Window switch is attached through…

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## [Should a link call work inside a subflow?](https://discourse.nodered.org/t/should-a-link-call-work-inside-a-subflow/57945)

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**Author:** [@Timmiej93](https://discourse.nodered.org/u/Timmiej93)\
**Replies:** 2\
**Last updated:** [9 February 2022 11:08 UTC](https://discourse.nodered.org/t/should-a-link-call-work-inside-a-subflow/57945 "2022-02-09T11:08:43Z")

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I'm not sure if this is by design or not, but link calls aren't working for me inside subflows. Outside of a subflow, the configuration below works just fine. Inside a subflow (replace the inject node with the input nod…

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## [Is there a way to wire a source node to multiple other nodes without constantly dragging between source and target?](https://discourse.nodered.org/t/is-there-a-way-to-wire-a-source-node-to-multiple-other-nodes-without-constantly-dragging-between-source-and-target/57953)

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**Author:** [@Timmiej93](https://discourse.nodered.org/u/Timmiej93)\
**Replies:** 2\
**Last updated:** [9 February 2022 10:51 UTC](https://discourse.nodered.org/t/is-there-a-way-to-wire-a-source-node-to-multiple-other-nodes-without-constantly-dragging-between-source-and-target/57953 "2022-02-09T10:51:35Z")

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I want to start dragging a wire from the source node, hold a key, and then click on multiple target nodes, drawing a line from source to each target. Is this possible? I assume this is what the Wire Node To Multiple keyb…

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## [fs.readFile, fs.writeFile, fs.readdir](https://discourse.nodered.org/t/fs-readfile-fs-writefile-fs-readdir/57986)

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**Author:** [@denissanga](https://discourse.nodered.org/u/denissanga)\
**Replies:** 3\
**Last updated:** [9 February 2022 08:20 UTC](https://discourse.nodered.org/t/fs-readfile-fs-writefile-fs-readdir/57986 "2022-02-09T08:20:09Z")

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Hi all, I'm writing a node-red function and I would like read and write files inside a function using fs module. I correctly imported it but when I tried to read a file the following message appears: "TypeError: Cannot…

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## [Modbus-node Errors](https://discourse.nodered.org/t/modbus-node-errors/58007)

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**Author:** [@aallen](https://discourse.nodered.org/u/aallen)\
**Replies:** 0\
**Last updated:** [8 February 2022 22:29 UTC](https://discourse.nodered.org/t/modbus-node-errors/58007 "2022-02-08T22:29:36Z")

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Hello, Recently, my modbus-node (modbus-write-buffer & modbus-flex-getter) have been throwing these errors that I cannot figure out why. Here is the current settings for the nodes: Here is the error occurring inter…

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## [Help upgrading Node](https://discourse.nodered.org/t/help-upgrading-node/57965)

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**Author:** [@quarfie](https://discourse.nodered.org/u/quarfie)\
**Replies:** 4\
**Last updated:** [8 February 2022 16:08 UTC](https://discourse.nodered.org/t/help-upgrading-node/57965 "2022-02-08T16:08:16Z")

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A few days ago I upgraded Node-RED to 2.2.0 with bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) But Node.js was still at 12.22.10, and I want to instal…

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## [Uibuilder include component](https://discourse.nodered.org/t/uibuilder-include-component/57884)

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**Author:** [@pompopom](https://discourse.nodered.org/u/pompopom)\
**Replies:** 15\
**Last updated:** [8 February 2022 15:51 UTC](https://discourse.nodered.org/t/uibuilder-include-component/57884 "2022-02-08T15:51:35Z")

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Hi everyone, So I have been working further on my home dashboard with the uibuilder. But as the ‘default’ components not always do or look like what I have in mind I try ( or would like) to use another component availab…

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## [Output 0 or 1 based on array](https://discourse.nodered.org/t/output-0-or-1-based-on-array/57923)

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**Author:** [@aallen](https://discourse.nodered.org/u/aallen)\
**Replies:** 28\
**Last updated:** [8 February 2022 14:58 UTC](https://discourse.nodered.org/t/output-0-or-1-based-on-array/57923 "2022-02-08T14:58:08Z")

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Hello, I have a 16 bit array in binary. I am only interested in the first 2 bits, or the first 2 positions in the array. So far, I've figured out I can use mask in the buffer parser node, or I can use the slice method …

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## [Crash on Deploy, Error: Already disposing](https://discourse.nodered.org/t/crash-on-deploy-error-already-disposing/57978)

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**Author:** [@Twisty](https://discourse.nodered.org/u/Twisty)\
**Replies:** 2\
**Last updated:** [8 February 2022 14:49 UTC](https://discourse.nodered.org/t/crash-on-deploy-error-already-disposing/57978 "2022-02-08T14:49:03Z")

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Hi, I´ve been having issues recently with Node-Red occasionally (very often but not every time) crashing with this error message: \[error\] Error: Already disposing at OPCUACertificateManager.\<anonymous\> (C:\\Users\\Mar…

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## [Worldmap / Label / Polygon / Question](https://discourse.nodered.org/t/worldmap-label-polygon-question/57947)

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**Author:** [@Lafayette](https://discourse.nodered.org/u/Lafayette)\
**Replies:** 4\
**Last updated:** [8 February 2022 13:35 UTC](https://discourse.nodered.org/t/worldmap-label-polygon-question/57947 "2022-02-08T13:35:42Z")

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Hi, I'd like to know if it's possible to add on the map a label for polygons ? Thx.

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## [Http Request to send data](https://discourse.nodered.org/t/http-request-to-send-data/57630)

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**Author:** [@perico](https://discourse.nodered.org/u/perico)\
**Replies:** 14\
**Last updated:** [8 February 2022 12:51 UTC](https://discourse.nodered.org/t/http-request-to-send-data/57630 "2022-02-08T12:51:54Z")

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Hello, I need to send data in a specific format via http, like this: http://192.168.X.X/apienergia/funcions.php?funcio=updateComptadorGET&tag=X&valor=X&datahora=X , where tag, valor and datahora are the variables that I…

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## [Node-Red’s serialport module is outdated. How do you update it?](https://discourse.nodered.org/t/node-red-s-serialport-module-is-outdated-how-do-you-update-it/3631)

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**Author:** [@123](https://discourse.nodered.org/u/123)\
**Replies:** 13\
**Last updated:** [8 February 2022 12:50 UTC](https://discourse.nodered.org/t/node-red-s-serialport-module-is-outdated-how-do-you-update-it/3631 "2022-02-08T12:50:23Z")

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I have a Raspberry Pi 3 running Home Automation software called OpenHAB. It comes with its own installation script for Node-Red. Many months ago, I used it to install Node-Red and it's been working flawlessly with the fl…

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## [Passing MYSQL or INFLUXDB Configurations to Docker or to Another Node Red](https://discourse.nodered.org/t/passing-mysql-or-influxdb-configurations-to-docker-or-to-another-node-red/57982)

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**Author:** [@sndkonstantin](https://discourse.nodered.org/u/sndkonstantin)\
**Replies:** 0\
**Last updated:** [8 February 2022 12:29 UTC](https://discourse.nodered.org/t/passing-mysql-or-influxdb-configurations-to-docker-or-to-another-node-red/57982 "2022-02-08T12:29:20Z")

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Hello ! I am trying to make my Node Red backend server to be a part of Docker-based Testing Environment. So I decided to pass ${ENIRONMENTAL\_VARIABLES} to the confings of MySQL node and INFLUX\_DB nodes. It actually worke…

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## [Difficulty to install node-red-contrib-xml-validate/xml-validate](https://discourse.nodered.org/t/difficulty-to-install-node-red-contrib-xml-validate-xml-validate/57977)

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**Author:** [@ThibautRuy](https://discourse.nodered.org/u/ThibautRuy)\
**Replies:** 1\
**Last updated:** [8 February 2022 09:29 UTC](https://discourse.nodered.org/t/difficulty-to-install-node-red-contrib-xml-validate-xml-validate/57977 "2022-02-08T09:29:17Z")

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When I try to install node-red-contrib-xml-validate/xml-validate I get the following error: 8 Feb 08:39:30 - \[warn\] ------------------------------------------------------ 8 Feb 08:39:30 - \[warn\] \[node-red-contrib-xml-va…

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## [Help with something that has happened to this node. CSS](https://discourse.nodered.org/t/help-with-something-that-has-happened-to-this-node-css/57976)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [8 February 2022 09:14 UTC](https://discourse.nodered.org/t/help-with-something-that-has-happened-to-this-node-css/57976 "2022-02-08T09:14:38Z")

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This is the node code: \[{"id":"e6b6c8fc.bdde08","type":"ui\_template","z":"9b7e7466.a4b698","g":"93f2cac80f207551","group":"88a8780d.513c68","name":"Ack Event","order":16,"width":"1","height":"1","format":"\<div id=\\"GBut…

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## [Help with subflow error detection](https://discourse.nodered.org/t/help-with-subflow-error-detection/57813)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 28\
**Last updated:** [8 February 2022 08:46 UTC](https://discourse.nodered.org/t/help-with-subflow-error-detection/57813 "2022-02-08T08:46:40Z")

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Sorry folks, but I'm stuck what to do. Problem: A subflow gives an error and I can't search for which subflow made the error. It's a given that an error will happen as the code in the subflow ONLY creates errors. B…

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## [I want to use the result of a current state note in call service node](https://discourse.nodered.org/t/i-want-to-use-the-result-of-a-current-state-note-in-call-service-node/57975)

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**Author:** [@kroonp](https://discourse.nodered.org/u/kroonp)\
**Replies:** 0\
**Last updated:** [8 February 2022 08:16 UTC](https://discourse.nodered.org/t/i-want-to-use-the-result-of-a-current-state-note-in-call-service-node/57975 "2022-02-08T08:16:33Z")

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I am a newbee with a problem that I am unable to solve due to my lack of knowledge. Who can give me the solution for the following problem? I want to use the result of a current state note in call service node. node: …

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## [Read and write image in MQTT](https://discourse.nodered.org/t/read-and-write-image-in-mqtt/57968)

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**Author:** [@hasan\_s\_m](https://discourse.nodered.org/u/hasan_s_m)\
**Replies:** 2\
**Last updated:** [8 February 2022 06:48 UTC](https://discourse.nodered.org/t/read-and-write-image-in-mqtt/57968 "2022-02-08T06:48:09Z")

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Hello everyone. I am looking for solution about store and read image from mqtt using node red. My plan is take picture using raspberry pi camera then send the picture to mqtt server using node red also read the image a…

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## [Search Arrays for Related Data](https://discourse.nodered.org/t/search-arrays-for-related-data/57967)

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**Author:** [@mikewoodld](https://discourse.nodered.org/u/mikewoodld)\
**Replies:** 2\
**Last updated:** [8 February 2022 04:22 UTC](https://discourse.nodered.org/t/search-arrays-for-related-data/57967 "2022-02-08T04:22:55Z")

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Scenario: I have a google sheet that has two columns, phone number and name: I want to be able to lookup the name based on the phone number. Using a google sheets node, I'm able to grab the data as an array: Now…

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## ["filter actions" on User Settings / Keyboard shortcuts does not work](https://discourse.nodered.org/t/filter-actions-on-user-settings-keyboard-shortcuts-does-not-work/57958)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 3\
**Last updated:** [7 February 2022 23:27 UTC](https://discourse.nodered.org/t/filter-actions-on-user-settings-keyboard-shortcuts-does-not-work/57958 "2022-02-07T23:27:15Z")

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Hamburger menu | Keyboard shortcuts opens a popup listing the assigned and unassigned shortcuts but any value in the search filter gives an empty result. This is Node-red 2.2.0, nodejs v14.18.3, npm 6.14.15 on Raspbi…

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## [SQlite SELECT variable substitution](https://discourse.nodered.org/t/sqlite-select-variable-substitution/57954)

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**Author:** [@Slowdown](https://discourse.nodered.org/u/Slowdown)\
**Replies:** 6\
**Last updated:** [7 February 2022 22:12 UTC](https://discourse.nodered.org/t/sqlite-select-variable-substitution/57954 "2022-02-07T22:12:15Z")

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Hi all, On a Raspberry Pi I am attempting to use a FUNCTION NODE to pass a msg.topic containing an SQlite SELECT query. msg.topic = 'SELECT \* FROM dhtreadings WHERE TankID = "BlackLaundry" AND TankTime \> ${BlackLaundry…

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## [How to use ssh-client with connection details known only at run-time](https://discourse.nodered.org/t/how-to-use-ssh-client-with-connection-details-known-only-at-run-time/57837)

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**Author:** [@mwhitele](https://discourse.nodered.org/u/mwhitele)\
**Replies:** 19\
**Last updated:** [7 February 2022 22:09 UTC](https://discourse.nodered.org/t/how-to-use-ssh-client-with-connection-details-known-only-at-run-time/57837 "2022-02-07T22:09:03Z")

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I have a database containing ip addresses and credentials I can fetch the rows and execute a for-each loop Inside the loop, I want to use ssh-client or similar to connect to the IP address using credentials, execute a …

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## [Having trouble with JSONata expression in switch node](https://discourse.nodered.org/t/having-trouble-with-jsonata-expression-in-switch-node/57956)

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**Author:** [@danielbrunt57](https://discourse.nodered.org/u/danielbrunt57)\
**Replies:** 2\
**Last updated:** [7 February 2022 22:05 UTC](https://discourse.nodered.org/t/having-trouble-with-jsonata-expression-in-switch-node/57956 "2022-02-07T22:05:53Z")

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The error is: Invalid JSONata expression: Invalid context key Here is my node: \[{"id":"1e0a4c9d9b44c848","type":"switch","z":"3a2942f23b8df6dc","name":"Bedroom?","property":"payload.cover","propertyType":"msg","ru…

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## [My modbus receives data but doesn't send data](https://discourse.nodered.org/t/my-modbus-receives-data-but-doesnt-send-data/57760)

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**Author:** [@fernando](https://discourse.nodered.org/u/fernando)\
**Replies:** 3\
**Last updated:** [7 February 2022 20:59 UTC](https://discourse.nodered.org/t/my-modbus-receives-data-but-doesnt-send-data/57760 "2022-02-07T20:59:48Z")

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Hi, I'm tying to get data from modbus tcp but I get error: I'm using Waveshare rs485 to eth(b) connected to Eastron sdm630 modbus v2. I have read the manuals and the connection of the cables is ok. This is my Waves…

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## [The quantity of payload in each 10 min](https://discourse.nodered.org/t/the-quantity-of-payload-in-each-10-min/57943)

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**Author:** [@maliheh.amirfakhry](https://discourse.nodered.org/u/maliheh.amirfakhry)\
**Replies:** 11\
**Last updated:** [7 February 2022 20:02 UTC](https://discourse.nodered.org/t/the-quantity-of-payload-in-each-10-min/57943 "2022-02-07T20:02:36Z")

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Hi guys. Can you please let me know how I can sum the number of payloads in each 10 min and send it to the debug node? Thank you so much P.S: I already have the counter of payload from the beginning but I was asked to s…

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## [Timer will not fire after STOP msg](https://discourse.nodered.org/t/timer-will-not-fire-after-stop-msg/57905)

<div class="topic-metadata">

**Author:** [@sameersbn](https://discourse.nodered.org/u/sameersbn)\
**Replies:** 5\
**Last updated:** [7 February 2022 18:49 UTC](https://discourse.nodered.org/t/timer-will-not-fire-after-stop-msg/57905 "2022-02-07T18:49:31Z")

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Hi I created that looks something like this: If trigger 1 is triggered, i see that the timer T1 is started followed by the timer T2 and eventually the msg is output to the debug. But if trigger 2 triggered, followed …

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## [Raspberry sense hat problem](https://discourse.nodered.org/t/raspberry-sense-hat-problem/57918)

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**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 4\
**Last updated:** [7 February 2022 17:51 UTC](https://discourse.nodered.org/t/raspberry-sense-hat-problem/57918 "2022-02-07T17:51:51Z")

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Trying to get my sense hat working after a crash of my pi. created a new image ( basic ) and installed node red. using nr version 2.2.0 every time i get the message \[node-red-node-pi-sense-hat/sensehat\] Error: Can't …

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## [Is node-red-node-mongodb- node in near future out of support? (solved)](https://discourse.nodered.org/t/is-node-red-node-mongodb-node-in-near-future-out-of-support-solved/57931)

<div class="topic-metadata">

**Author:** [@mickym2](https://discourse.nodered.org/u/mickym2)\
**Replies:** 2\
**Last updated:** [7 February 2022 16:34 UTC](https://discourse.nodered.org/t/is-node-red-node-mongodb-node-in-near-future-out-of-support-solved/57931 "2022-02-07T16:34:11Z")

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I used this node to access my mongo-db. (I thought this is the official one). Until now - it is working as expected. However I get the following error in the console: (node:17736) \[MONGODB DRIVER\] Warning: Current Serve…

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