node-red / node-red/node-red-nodes
Same Serial Port Connected in Two Flow files Not working while disabling one of the flow
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- Dominant language
- JavaScript
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- Merged PRs (30d)
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Description
Hi Team
I am trying to add COM2 in two flow files Flow1 and Flow2. The data is displayed in both flows initially . But when we disable and enable Flow1 then the Flow2 serial port is not displaying the data though it displays connected .
FLOW1

FLOW2

Initial Debug Message

Disable and enable FLOW2 from postman


Debug Message after disable and enable

As u noticed the Flow1 Data is not displaying in the Debug Window though both flows are connected
Node-RED version: v1.2.6
Node.js version: v15.5.0
npm version: 7.3.0
Platform/OS: Windows 10
Browser: Chrome
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue with COM2 assigned to Flow1 and Flow2, then disable and re-enable one flow using the described Windows, Node-RED, and Postman setup. Compare the initial and post-toggle debug output; done means both connected flows continue displaying serial data after either flow is toggled.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- embedded-iot
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100