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InterApp calls and symbols encoding

Solved294 views17th January 2025encoding InterApp InterAppCall LCA low code apps
1
Alija Kusur [SLC] [DevOps Advocate]407 8th January 2025 3 Comments

Hi all,

I have recently worked with InterApp calls between LCA and DMA and encountered an issue with encoding of vertical bar ('|') symbol. DMA showed '_7C' instead of initially sent '|'. This can happen due to encoding, as the vertical bar symbol | is often translated to _7C in URLs. Do you know if there are any workarounds for this specific symbol or if this is already known issue that will be solved in a near future?

Alija Kusur [SLC] [DevOps Advocate] Selected answer as best 17th January 2025
Sebastiaan Dumoulein [SLC] [DevOps Enabler] commented 9th January 2025

Hi Alija, can you explain in more detail where the InterApp calls are used? A LCA runs in the browser on the client, therefore all communication goes through the web API.

Alija Kusur [SLC] [DevOps Advocate] commented 9th January 2025

Hi Sebastiaan. Thanks for the comment. It is the VB Probe Series ConnectorAPI NuGet that is used by LCA to create channel entries in the dma VB Probe Series element channels table. Based on your explanation, I just tested manual table entries and realized that this is not the InterApp issue, as the device saves mentioned table entries to the xml file, it is the case that encoding and decoding the specific symbol is not well managed, either by the protocol or the VB Probe device.

Sebastiaan Dumoulein [SLC] [DevOps Enabler] commented 9th January 2025

As you mentioned, this appears to be unrelated to the data source or LCA. I tested the symbol on a virtual table, and it seems to handle the pipe symbol correctly. The issue likely lies with either the protocol or the device itself. You might want to inspect the traffic sent to the device to determine how it's being transmitted.

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Alija Kusur [SLC] [DevOps Advocate]407 Posted 17th January 2025 0 Comments

Encoding issue is not related to interaction via InterApp calls, but the protocol itself, and the fact that in the background, data from protocol tables is kept in xml file. As the issue is addressed, I can now look for the way to encode/decode special characters, so the protocol shows them correctly and they don't confuse any end-users.

Alija Kusur [SLC] [DevOps Advocate] Selected answer as best 17th January 2025
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