# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=108

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

**Page:** 109

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## [HTTP Request; Issue with post request & sap B1 service layer](https://discourse.nodered.org/t/http-request-issue-with-post-request-sap-b1-service-layer/88149)

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**Author:** [@asmach](https://discourse.nodered.org/u/asmach)\
**Replies:** 0\
**Last updated:** [21 May 2024 13:55 UTC](https://discourse.nodered.org/t/http-request-issue-with-post-request-sap-b1-service-layer/88149 "2024-05-21T13:55:42Z")

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Hello, I would to fo the authentification to SAP B1 with dynamic password received in the payload. When i check available nodes to authentificate to SAP B1 Service layer, I found that the password is static: Howeve…

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## [Issue with sap-patch](https://discourse.nodered.org/t/issue-with-sap-patch/88071)

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**Author:** [@asmach](https://discourse.nodered.org/u/asmach)\
**Replies:** 2\
**Last updated:** [21 May 2024 13:29 UTC](https://discourse.nodered.org/t/issue-with-sap-patch/88071 "2024-05-21T13:29:38Z")

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Hello, I am using the node "@jpdlm/node-red-contrib-sap-service-layer" to connect to SAP B1 service. I could login and execute get requests but When I Try to execute a patch request i gaot status '206', could you plea…

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## [Compare to images , get simularity in percentage](https://discourse.nodered.org/t/compare-to-images-get-simularity-in-percentage/87805)

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**Author:** [@user1234](https://discourse.nodered.org/u/user1234)\
**Replies:** 12\
**Last updated:** [21 May 2024 13:20 UTC](https://discourse.nodered.org/t/compare-to-images-get-simularity-in-percentage/87805 "2024-05-21T13:20:03Z")

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Hey Community, i've to solve a Issue and i want to solve it by using Node Red. I want to compare static images if they are the same or if they get changed. So i have researched and found no package for Node Red only …

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## [Nodered service is not starting on Ubuntu 20.04](https://discourse.nodered.org/t/nodered-service-is-not-starting-on-ubuntu-20-04/88143)

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**Author:** [@demokedes](https://discourse.nodered.org/u/demokedes)\
**Replies:** 2\
**Last updated:** [21 May 2024 12:50 UTC](https://discourse.nodered.org/t/nodered-service-is-not-starting-on-ubuntu-20-04/88143 "2024-05-21T12:50:17Z")

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Dear all, From this morning on, I am not able to login to Node-red ui. I was getting just blank page. I rebooted the service, but is not starting. Output of log is following: $ sudo systemctl status nodered ● nodered.s…

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## [How can I send a document with the original document name?](https://discourse.nodered.org/t/how-can-i-send-a-document-with-the-original-document-name/88141)

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**Author:** [@gadgetooo](https://discourse.nodered.org/u/gadgetooo)\
**Replies:** 0\
**Last updated:** [21 May 2024 10:29 UTC](https://discourse.nodered.org/t/how-can-i-send-a-document-with-the-original-document-name/88141 "2024-05-21T10:29:41Z")

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I have the node-red-contrib-telegrambot 15.1.10. How can I sent a document with the original name of the document? (not "data.pdf" please). I have been trying to write "filename: whathever" in every object but I can't fi…

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## [Missing node in palette (node-red-contrib-grpc)?](https://discourse.nodered.org/t/missing-node-in-palette-node-red-contrib-grpc/88139)

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**Author:** [@Lillestrand](https://discourse.nodered.org/u/Lillestrand)\
**Replies:** 2\
**Last updated:** [21 May 2024 09:34 UTC](https://discourse.nodered.org/t/missing-node-in-palette-node-red-contrib-grpc/88139 "2024-05-21T09:34:28Z")

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Hello I am new to Node-Red and am currently working on implementing a gRPC server using the node-red-contrib-grpc wrapper. After installing the package, the palette manager shows that all 5 nodes are available. However,…

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## [CPU Temperature on Windows](https://discourse.nodered.org/t/cpu-temperature-on-windows/88115)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 26\
**Last updated:** [21 May 2024 08:22 UTC](https://discourse.nodered.org/t/cpu-temperature-on-windows/88115 "2024-05-21T08:22:01Z")

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On my Raspberry Pies I can obtain the CPU temperature with an exec node calling vcgencmd measure\_temp Despite my almost total lack of knowledge of Windows OS, I am responsible for the health of a PC on the other side of…

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## [The end of Tfjs. What is next?](https://discourse.nodered.org/t/the-end-of-tfjs-what-is-next/88084)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 4\
**Last updated:** [21 May 2024 00:00 UTC](https://discourse.nodered.org/t/the-end-of-tfjs-what-is-next/88084 "2024-05-21T00:00:12Z")

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Hi folks, I spend last year quite a huge amount of free time in the new object detection node from our friend @dceejay, based on Tfjs (i.e. the javascript port of Tensorflow). However I needed a fix in order to be able…

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## [Sqlite Database not updated](https://discourse.nodered.org/t/sqlite-database-not-updated/47483)

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**Author:** [@rolo2912](https://discourse.nodered.org/u/rolo2912)\
**Replies:** 12\
**Last updated:** [20 May 2024 19:47 UTC](https://discourse.nodered.org/t/sqlite-database-not-updated/47483 "2024-05-20T19:47:44Z")

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All, pretty new to Node-RED. Installed the node-red-node-sqlite and was able to connect to a database. The Database-file is exported every hour to the same location and contains updated records. This file is set up as…

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## [iAqualink send command on off](https://discourse.nodered.org/t/iaqualink-send-command-on-off/88041)

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**Author:** [@Veuchez](https://discourse.nodered.org/u/Veuchez)\
**Replies:** 3\
**Last updated:** [20 May 2024 16:43 UTC](https://discourse.nodered.org/t/iaqualink-send-command-on-off/88041 "2024-05-20T16:43:42Z")

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Hi everyone, reading the forum ( iAqualink for Pool Equipment strike again - #5 by Tico) I managed to collect all the data from the eXO chlorinator, but I can't understand how to send the commands to turn off, turn on, s…

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## [How to remove the values in the json payload](https://discourse.nodered.org/t/how-to-remove-the-values-in-the-json-payload/88125)

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**Author:** [@sura95](https://discourse.nodered.org/u/sura95)\
**Replies:** 2\
**Last updated:** [20 May 2024 15:28 UTC](https://discourse.nodered.org/t/how-to-remove-the-values-in-the-json-payload/88125 "2024-05-20T15:28:33Z")

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can you guide how to remove this spi: in json response

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## [Saving data from 'mqtt in' for chart in a database?](https://discourse.nodered.org/t/saving-data-from-mqtt-in-for-chart-in-a-database/88112)

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**Author:** [@nowomanman](https://discourse.nodered.org/u/nowomanman)\
**Replies:** 15\
**Last updated:** [20 May 2024 14:34 UTC](https://discourse.nodered.org/t/saving-data-from-mqtt-in-for-chart-in-a-database/88112 "2024-05-20T14:34:32Z")

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Hello, I have read a lot, but have not found a solution to my problem, as the data I want to save is not all in the payload. I therefore need help on how to get this data into the payload as a string so that it can be …

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## [OpcUa Client on a raspberry pi](https://discourse.nodered.org/t/opcua-client-on-a-raspberry-pi/87920)

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**Author:** [@Elo](https://discourse.nodered.org/u/Elo)\
**Replies:** 2\
**Last updated:** [20 May 2024 14:10 UTC](https://discourse.nodered.org/t/opcua-client-on-a-raspberry-pi/87920 "2024-05-20T14:10:00Z")

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Hi! I have an built in opcua server running in a injection machine and I need to connect automatically with that. I´m using ethernet connection, node-red version v3.1.9 and node.js version v18.20.2. When I run my flow I…

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## [Custom authentication tokens, In the case of source compilation, following the official example does not work](https://discourse.nodered.org/t/custom-authentication-tokens-in-the-case-of-source-compilation-following-the-official-example-does-not-work/88025)

<div class="topic-metadata">

**Author:** [@xieshuang](https://discourse.nodered.org/u/xieshuang)\
**Replies:** 8\
**Last updated:** [20 May 2024 08:16 UTC](https://discourse.nodered.org/t/custom-authentication-tokens-in-the-case-of-source-compilation-following-the-official-example-does-not-work/88025 "2024-05-20T08:16:47Z")

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I want to secure Node-RED using a token. I am embedding Node-RED within my website, and I want access to Node-RED to be restricted only through the website. An example of this is provided below: adminAuth: { to…

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## [Hello everyone I need some help about mssql-plus](https://discourse.nodered.org/t/hello-everyone-i-need-some-help-about-mssql-plus/88111)

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**Author:** [@Xiang](https://discourse.nodered.org/u/Xiang)\
**Replies:** 11\
**Last updated:** [20 May 2024 07:30 UTC](https://discourse.nodered.org/t/hello-everyone-i-need-some-help-about-mssql-plus/88111 "2024-05-20T07:30:30Z")

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I want to use mssql-plus to connect to the SQL server database, but I can't connect all the time, and the request times out. This is the error message: {"code":"ETIMEOUT", "message":"Failed to connect to 192.168.28.1\\\\…

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## [Enable my node between certain times using something like Jsonata or a function node?](https://discourse.nodered.org/t/enable-my-node-between-certain-times-using-something-like-jsonata-or-a-function-node/88077)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 6\
**Last updated:** [19 May 2024 08:15 UTC](https://discourse.nodered.org/t/enable-my-node-between-certain-times-using-something-like-jsonata-or-a-function-node/88077 "2024-05-19T08:15:57Z")

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Hi, I have flows that enable speech and warning me of a low battery voltage. I want this to be only be enabled between 09:10 and 10:30 every day. After this I want it to disabled. This has to operate even if I rebo…

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## [Write to victoriametrics as influxdb or curl or prometheus?](https://discourse.nodered.org/t/write-to-victoriametrics-as-influxdb-or-curl-or-prometheus/88075)

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**Author:** [@realtime](https://discourse.nodered.org/u/realtime)\
**Replies:** 13\
**Last updated:** [19 May 2024 06:50 UTC](https://discourse.nodered.org/t/write-to-victoriametrics-as-influxdb-or-curl-or-prometheus/88075 "2024-05-19T06:50:59Z")

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Hallo, I want to move away from influx and came across victoriametris. By simply using the influxdb-contrib-node, Grafana adds the 'database' tag to the \_\_name\_\_ since the influxdb-contrib-node is enforcing that option…

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## [Added Tuya node and flow webpage does not complete loading](https://discourse.nodered.org/t/added-tuya-node-and-flow-webpage-does-not-complete-loading/88080)

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**Author:** [@kommando828](https://discourse.nodered.org/u/kommando828)\
**Replies:** 1\
**Last updated:** [18 May 2024 12:48 UTC](https://discourse.nodered.org/t/added-tuya-node-and-flow-webpage-does-not-complete-loading/88080 "2024-05-18T12:48:48Z")

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Have a flow working on a Le Potato (Pi like SBC) running Debian. Flow takes MQTT data and uses this to switch on and off Wemo Wifi switches, has been working well for months. As Wemo's are no longer made and not wanting …

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## [Websocket status not showing in 3.1.9?](https://discourse.nodered.org/t/websocket-status-not-showing-in-3-1-9/88072)

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**Author:** [@JohnInWI](https://discourse.nodered.org/u/JohnInWI)\
**Replies:** 2\
**Last updated:** [18 May 2024 11:01 UTC](https://discourse.nodered.org/t/websocket-status-not-showing-in-3-1-9/88072 "2024-05-18T11:01:08Z")

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Just installed a fresh copy of v3.1.9 and the status of my websocket nodes are no longer showing. Show node status is checked in the user settings menu. I have v3.1.8 running on a different machine with the same flows an…

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## [HTTP IN node (POST) truncating body](https://discourse.nodered.org/t/http-in-node-post-truncating-body/88067)

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**Author:** [@AlanGreyjoy](https://discourse.nodered.org/u/AlanGreyjoy)\
**Replies:** 4\
**Last updated:** [17 May 2024 17:01 UTC](https://discourse.nodered.org/t/http-in-node-post-truncating-body/88067 "2024-05-17T17:01:16Z")

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Hello! The issue: It seems the HTTP IN node is truncating the body if it's too large. When I attempt to JSON.parse(msg.payload.files) I get SyntaxError: Unexpected token ' in JSON at position 1 Which makes sense, si…

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## [My nodered on docker is not triggering](https://discourse.nodered.org/t/my-nodered-on-docker-is-not-triggering/88054)

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**Author:** [@max246](https://discourse.nodered.org/u/max246)\
**Replies:** 2\
**Last updated:** [17 May 2024 15:10 UTC](https://discourse.nodered.org/t/my-nodered-on-docker-is-not-triggering/88054 "2024-05-17T15:10:20Z")

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I looked only but I cant seems to find much why my interval is not working as supposed to, maybe I am missing something or something goes to sleep? I have an Inject node with repeat interval every 60 minutes, it queries…

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## [Cannot POST /auth/strategy/callback SAML](https://discourse.nodered.org/t/cannot-post-auth-strategy-callback-saml/87956)

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**Author:** [@malee](https://discourse.nodered.org/u/malee)\
**Replies:** 3\
**Last updated:** [17 May 2024 12:42 UTC](https://discourse.nodered.org/t/cannot-post-auth-strategy-callback-saml/87956 "2024-05-17T12:42:07Z")

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I notice this topic has arisen before. I have being experimenting with passport in Node-RED. All seems good for OAuth and OIDC via Azure, however I am having issues with SAML. I created an identity provider as an Ente…

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## [Analysis and optimization solutions for the high CPU usage of Node red?](https://discourse.nodered.org/t/analysis-and-optimization-solutions-for-the-high-cpu-usage-of-node-red/88052)

<div class="topic-metadata">

**Author:** [@Yesung](https://discourse.nodered.org/u/Yesung)\
**Replies:** 15\
**Last updated:** [17 May 2024 12:03 UTC](https://discourse.nodered.org/t/analysis-and-optimization-solutions-for-the-high-cpu-usage-of-node-red/88052 "2024-05-17T12:03:05Z")

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If the length of the transmitted msg is large, it will significantly increase the CPU usage of the system. What optimization solutions are available when the payload length cannot be reduced? I just noticed this phenom…

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## [Bacnet IP integration with node red](https://discourse.nodered.org/t/bacnet-ip-integration-with-node-red/9298)

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**Author:** [@sjpkt](https://discourse.nodered.org/u/sjpkt)\
**Replies:** 12\
**Last updated:** [20 October 2019 05:16 UTC](https://discourse.nodered.org/t/bacnet-ip-integration-with-node-red/9298 "2019-10-20T05:16:55Z")

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Error Reason 6 when I use bacnet write command to overwrite present value of analog value. Any idea how to fix the problem? Thanks in advance

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## [Strange inject behaviour giving wrong time](https://discourse.nodered.org/t/strange-inject-behaviour-giving-wrong-time/88055)

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**Author:** [@muggins](https://discourse.nodered.org/u/muggins)\
**Replies:** 3\
**Last updated:** [17 May 2024 11:07 UTC](https://discourse.nodered.org/t/strange-inject-behaviour-giving-wrong-time/88055 "2024-05-17T11:07:56Z")

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In terminal on my PI4 "date" shows correct time. In nodered if I inject to a debug and parse the epoch it is also the correct time (UTC+1) If I set a specific time in the inject node it outputs an hour late. I have re…

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## [Alexa and nodered in 2024, what is the best stable and reliable node to use?](https://discourse.nodered.org/t/alexa-and-nodered-in-2024-what-is-the-best-stable-and-reliable-node-to-use/88043)

<div class="topic-metadata">

**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 2\
**Last updated:** [17 May 2024 07:37 UTC](https://discourse.nodered.org/t/alexa-and-nodered-in-2024-what-is-the-best-stable-and-reliable-node-to-use/88043 "2024-05-17T07:37:04Z")

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Hi, I am trying to find a stable reliable node for Alexa control as there has been many nodes for Alexa control over the years and is quite confusing. I have been using "node-red-contrib-alexa-remote2-applestrudel" as it…

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## [Change watch node](https://discourse.nodered.org/t/change-watch-node/87973)

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**Author:** [@Romprod](https://discourse.nodered.org/u/Romprod)\
**Replies:** 6\
**Last updated:** [17 May 2024 06:54 UTC](https://discourse.nodered.org/t/change-watch-node/87973 "2024-05-17T06:54:55Z")

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I have a simple flow which monitors a directory and then pushes files across into a Telegram node to send pictures to Telegram. My issue is that each folder that is watched is split up into years and months so for eg /p…

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## [Node-RED in docker container on SONOFF iHost](https://discourse.nodered.org/t/node-red-in-docker-container-on-sonoff-ihost/77934)

<div class="topic-metadata">

**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 3\
**Last updated:** [17 May 2024 06:21 UTC](https://discourse.nodered.org/t/node-red-in-docker-container-on-sonoff-ihost/77934 "2024-05-17T06:21:30Z")

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I have been trying to find out whether the SONOFF iHost device will do anything useful for me. It runs NR inside a docker container, and this is my first experience with containers. The iHost firmware gives no real acc…

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## [Continuation of a closed subject "SonOff iHost Hub - security"](https://discourse.nodered.org/t/continuation-of-a-closed-subject-sonoff-ihost-hub-security/88042)

<div class="topic-metadata">

**Author:** [@Y2K](https://discourse.nodered.org/u/Y2K)\
**Replies:** 2\
**Last updated:** [17 May 2024 01:58 UTC](https://discourse.nodered.org/t/continuation-of-a-closed-subject-sonoff-ihost-hub-security/88042 "2024-05-17T01:58:44Z")

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Securing Node-Red without command line - General - Node-RED Forum (nodered.org) I've installed Node Red and I have many questions regarding SonOff's 4g hub. I don't know java, and I am looking for a dictionary. So far…

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## [Problem with switch commutation](https://discourse.nodered.org/t/problem-with-switch-commutation/88038)

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**Author:** [@LastViking](https://discourse.nodered.org/u/LastViking)\
**Replies:** 0\
**Last updated:** [16 May 2024 21:22 UTC](https://discourse.nodered.org/t/problem-with-switch-commutation/88038 "2024-05-16T21:22:39Z")

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Hello, I use node-red to communicate with Siemens s7-1200 and Alexa. My problem is when I do the command in Alexa to activate one DO in the PLC. The command is for activate light. I do the command to turn lights on in A…

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