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.NET Bug: MermaidRenderer fails when invoked in parallel #10457

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crickman opened this issue Feb 9, 2025 · 0 comments
Open

.NET Bug: MermaidRenderer fails when invoked in parallel #10457

crickman opened this issue Feb 9, 2025 · 0 comments
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@alliscode
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bug Something isn't working experimental Associated with an experimental feature .NET Issue or Pull requests regarding .NET code processes samples sk team issue A tag to denote issues that where created by the Semantic Kernel team (i.e., not the community)

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@crickman
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crickman commented Feb 9, 2025

Describe the bug

MermaidRenderer uses the same temp-file location for all invocations. This results in file contention that leads to an IOException.

Message: 
System.IO.IOException : The process cannot access the file 'C:\Users\crickman\AppData\Local\Temp\mermaid_temp.html' because it is being used by another process.

  Stack Trace: 
FileSystem.DeleteFile(String fullPath)
MermaidRenderer.GenerateMermaidImageAsync(String mermaidCode, String filenameOrPath) line 117
...

To Reproduce
Steps to reproduce the behavior:

  1. Add a second sample to GettingStartedWithProcesses that invokes MermaidRenderer
  2. Run samples with parallel execution enavled

Expected behavior
Samples execute without exception. (Use a unique temporary file for each invocation)

Platform

  • Language: C#
@crickman crickman added bug Something isn't working experimental Associated with an experimental feature processes samples labels Feb 9, 2025
@crickman crickman added the .NET Issue or Pull requests regarding .NET code label Feb 9, 2025
@github-actions github-actions bot changed the title Bug: MermaidRenderer fails when invoked in parallel .Net: Bug: MermaidRenderer fails when invoked in parallel Feb 9, 2025
@evchaki evchaki added the sk team issue A tag to denote issues that where created by the Semantic Kernel team (i.e., not the community) label Feb 10, 2025
@crickman crickman changed the title .Net: Bug: MermaidRenderer fails when invoked in parallel .NET Bug: MermaidRenderer fails when invoked in parallel Feb 10, 2025
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@alliscode alliscode

Labels
bug Something isn't working experimental Associated with an experimental feature .NET Issue or Pull requests regarding .NET code processes samples sk team issue A tag to denote issues that where created by the Semantic Kernel team (i.e., not the community)
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5 participants
@alliscode @evchaki @crickman @markwallace-microsoft @sophialagerkranspandey