EnableHotReload error handling

[devna13]

I'm new to this awesome repo, and using EnableHotReload to update plugins on the fly similar to your hot reload sample

   loader = PluginLoader.CreateFromAssemblyFile(
                             pluginDllPath,
                             sharedTypes: new[] {
                                typeof(IPluginMessageHandler),
                                //typeof(IServiceCollection),
                                typeof(ILogger)
                             },
                             isUnloadable: true,
                             configure: config => config.EnableHotReload = true);

everything works great but I ran into an edge case; If I publish a bad plugin, that doesn't have all of it's dependencies, it causes the host app to crash with this CLR exception

Fatal error. Internal CLR error. (0x80131506)
   at System.Runtime.Loader.AssemblyLoadContext.PrepareForAssemblyLoadContextRelease(IntPtr, IntPtr)
   at System.Runtime.Loader.AssemblyLoadContext.InitiateUnload()
   at System.Runtime.Loader.AssemblyLoadContext.Unload()
   at McMaster.NETCore.Plugins.PluginLoader.Reload()
   at McMaster.NETCore.Plugins.Internal.Debouncer+<>c__DisplayClass4_0.<Execute>b__0(System.Threading.Tasks.Task)
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(System.Threading.Thread, System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef, System.Threading.Thread)
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading.PortableThreadPool+WorkerThread.WorkerThreadStart()
   at System.Threading.Thread.StartCallback()

I was wondering if wrapping this line in try catch would resolve it, or there is a better way to prevent host from crashing

https://github.com/natemcmaster/DotNetCorePlugins/blob/452f8d306ef17c84c8b02b948e93eb95ef182be3/src/Plugins/PluginLoader.cs#L225

Thanks

[natemcmaster]

I'll mark this as 'help wanted'. There are probably better ways to handle these errors and would be open to contributions to improve it.

(FYI - this project is in maintenance mode right now. See #117 for detail on what the applied labels indicate.)

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[github-actions[bot]]

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