VS Arduino - Build fail - The directory name is invalid

Apr 19^th, 2024 at 7:29am (UTC)

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VS Arduino › Visual Micro › Installation & Troubleshooting › Build fail - The directory name is invalid

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Build fail - The directory name is invalid (Read 735 times)

Acuario Full Member Offline Posts: 233 Location: Spain Joined: Aug 28^th, 2015	Build fail - The directory name is invalid Dec 7^th, 2022 at 5:48am	Print Post
	Hi, I sometimes get the following when trying to build: Quote: Compiling 'Inverter32' for 'ESP32 Dev Module (esp32_esp32)' Build Folder: " System.IO.IOException: The directory name is invalid. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileSystemEnumerableIterator`1.AddSearchableDirsToStack(SearchData localSearchData) at System.IO.FileSystemEnumerableIterator`1.MoveNext() at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) at System.IO.DirectoryInfo.InternalGetFiles(String searchPattern, SearchOption searchOption) at Visual.Micro.MiroAppAPI.SketchBuilder._build(String lbuildPath, Boolean verbose, Boolean PreProcessOnly) at Visual.Micro.MiroAppAPI.SketchBuilder._build(Boolean verbose) at Visual.Micro.MiroAppAPI.SketchBuilder.build(Boolean verbose) at Visual.Micro.Visual.Studio.Arduino.AddInApp._CompileDo(Object oProject, Boolean IsDebugStartCommand, Boolean isRebuild, Boolean UseGdbIfAvailable) at Visual.Micro.Visual.Studio.Arduino.AddInApp.CompileDo(Object oProject, Boolean IsDebugStartCommand, Boolean isRebuild, Boolean UseGdbIfAvailable) at Visual.Micro.Visual.Studio.Arduino.AddInApp.Compile(Object oProject, Boolean IsDebugStartCommand, Boolean IsRebuild, Boolean UseGdbIfAvailable) Clicking Build, this may occur several (3 or 4) times, then the build will start normally. I have my project files located on a shared NAS drive (mapped to S:\) which I believe can cause strange problems in certain cases due to the SMB protocol used on the network. Is this the case here? The thrown error seems to implicate the local c:\.. directory is the problem rather than the network directory.


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Tim@Visual Micro Administrator Offline Posts: 12076 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Build fail - The directory name is invalid Reply #1 - Dec 7^th, 2022 at 1:20pm	Print Post
	I think the message showing c:\ is ok and complete. The system is then having a problem accessing the next path it is trying to output. Sounds like the s: drive keeps disappearing for a short time.


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