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Produce better error messages in gcdump convert command #5814

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Produce better error messages in gcdump convert command #5814

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b1c828e
Produce better error messages in gcdump convert command
pavelsavara Apr 22, 2026
3ff8efa
fix
pavelsavara Apr 22, 2026
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12 changes: 11 additions & 1 deletion src/Tools/dotnet-gcdump/CommandLine/ConvertCommandHandler.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -45,10 +45,20 @@ public static int ConvertFile(FileInfo input, string output, bool verbose)

if (!EventPipeDotNetHeapDumper.DumpFromEventPipeFile(input.FullName, memoryGraph, log, heapInfo))
{
Console.Error.WriteLine($"Failed to convert '{input.FullName}' to gcdump. The input file may not be a valid nettrace file, or it may not contain GC heap events. Try running with '-v' for more information.");
return -1;
}

try
{
memoryGraph.AllowReading();
}
catch (ApplicationException ex)
{
Console.Error.WriteLine($"Failed to convert '{input.FullName}': {ex.Message} The nettrace file may not contain a complete GC heap dump. Try running with '-v' for more information.");
return -1;
}

memoryGraph.AllowReading();
GCHeapDump.WriteMemoryGraph(memoryGraph, outputFileInfo.FullName, "dotnet-gcdump");

return 0;
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