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Improve Pandoc process error handling

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Thorsten Sommer 2025-12-10 16:54:00 +01:00
parent 88c1e3d434
commit c2fe26d7f8
Signed by: tsommer
GPG Key ID: 371BBA77A02C0108
1 changed files with 12 additions and 5 deletions
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17
app/MindWork AI Studio/Tools/Pandoc.cs
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@ -49,19 +49,26 @@ public static partial class Pandoc
{ {
if (showMessages) if (showMessages)
await MessageBus.INSTANCE.SendError(new (Icons.Material.Filled.Help, TB("Was not able to check the Pandoc installation."))); await MessageBus.INSTANCE.SendError(new (Icons.Material.Filled.Help, TB("Was not able to check the Pandoc installation.")));
LOG.LogInformation("The Pandoc process was not started, it was null"); LOG.LogInformation("The Pandoc process was not started, it was null");
return new(false, TB("Was not able to check the Pandoc installation."), false, string.Empty, preparedProcess.IsLocal); return new(false, TB("Was not able to check the Pandoc installation."), false, string.Empty, preparedProcess.IsLocal);
} }
var output = await process.StandardOutput.ReadToEndAsync(); // Read output streams asynchronously while the process runs (prevents deadlock):
var outputTask = process.StandardOutput.ReadToEndAsync();
var errorTask = process.StandardError.ReadToEndAsync();
// Wait for the process to exit AND for streams to be fully read:
await process.WaitForExitAsync(); await process.WaitForExitAsync();
var output = await outputTask;
var error = await errorTask;
if (process.ExitCode != 0) if (process.ExitCode != 0)
{ {
if (showMessages) if (showMessages)
await MessageBus.INSTANCE.SendError(new (Icons.Material.Filled.Error, TB("Pandoc is not available on the system or the process had issues."))); await MessageBus.INSTANCE.SendError(new (Icons.Material.Filled.Error, TB("Pandoc is not available on the system or the process had issues.")));
LOG.LogError("The Pandoc process was exited with code {ProcessExitCode}", process.ExitCode); LOG.LogError("The Pandoc process exited with code {ProcessExitCode}. Error output: '{ErrorText}'", process.ExitCode, error);
return new(false, TB("Pandoc is not available on the system or the process had issues."), false, string.Empty, preparedProcess.IsLocal); return new(false, TB("Pandoc is not available on the system or the process had issues."), false, string.Empty, preparedProcess.IsLocal);
} }