Application has problems in linux

[PieroCastillo]

hi, I've this project, Aura.UI Sample App, in Windows 10 there aren't any problem, but now I'm trying to execute in Kubuntu, however, that does not execute, with Dotnet CLI threw this error:

Unhandled exception. System.TypeInitializationException: The type initializer for 'SkiaSharp.SKImageInfo' threw an exception.
 ---> System.DllNotFoundException: Unable to load shared library 'libSkiaSharp' or one of its dependencies. In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: liblibSkiaSharp: cannot open shared object file: No such file or directory
   at SkiaSharp.SkiaApi.sk_colortype_get_default_8888()
   at SkiaSharp.SKImageInfo..cctor()
   --- End of inner exception stack trace ---
   at Avalonia.Skia.PlatformRenderInterface..ctor(ISkiaGpu skiaGpu, Nullable`1 maxResourceBytes)
   at Avalonia.Skia.SkiaPlatform.Initialize(SkiaOptions options)
   at Avalonia.SkiaApplicationExtensions.<>c__0`1.<UseSkia>b__0_0()
   at Avalonia.Controls.AppBuilderBase`1.Setup()
   at Avalonia.Controls.AppBuilderBase`1.SetupWithLifetime(IApplicationLifetime lifetime)
   at Avalonia.ClassicDesktopStyleApplicationLifetimeExtensions.StartWithClassicDesktopLifetime[T](T builder, String[] args, ShutdownMode shutdownMode)
   at UI.Tests.Program.Main(String[] args) in /home/piero/Escritorio/AuraDev/Aura.UI/Tests/UI.Tests/Program.cs:line 14

And the debug with Rider EAP 2020.3:

System.TypeInitializationException: The type initializer for 'SkiaSharp.SKImageInfo' threw an exception.
 ---> System.DllNotFoundException: Unable to load shared library 'libSkiaSharp' or one of its dependencies. In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: liblibSkiaSharp: cannot open shared object file: No such file or directory
   at SkiaSharp.SkiaApi.sk_colortype_get_default_8888()
   at SkiaSharp.SKImageInfo..cctor()
   --- End of inner exception stack trace ---
   at Avalonia.Skia.PlatformRenderInterface..ctor(ISkiaGpu skiaGpu, Nullable`1 maxResourceBytes)
   at Avalonia.Skia.SkiaPlatform.Initialize(SkiaOptions options)
   at Avalonia.SkiaApplicationExtensions.<>c__0`1.<UseSkia>b__0_0()
   at Avalonia.Controls.AppBuilderBase`1.Setup()
   at Avalonia.Controls.AppBuilderBase`1.SetupWithLifetime(IApplicationLifetime lifetime)
   at Avalonia.ClassicDesktopStyleApplicationLifetimeExtensions.StartWithClassicDesktopLifetime[T](T builder, String[] args, ShutdownMode shutdownMode)
   at UI.Tests.Program.Main(String[] args) in /home/piero/Escritorio/AuraDev/Aura.UI/Tests/UI.Tests/Program.cs:line 14

System details:

OS: Kubuntu 20.5 with KDE Plasma 5 CPU: Intel Core i7 8565U (4 cores / 8 threads) GPU: Intel UHD Graphics 620 Net Core 3.1.8

Really, I don't know the problem, in windows there isn't anything

[FrankenApps]

I am not sure, but it might be related to this Issue

[kekekeks]

Check the output of ldd /path/to/libSkiaSharp.so

[PieroCastillo]

I downloaded libSkiaSharp.so and..., When should I put that?, I never work with libs in kubuntu

[rstm-sf]

I downloaded libSkiaSharp.so and..., When should I put that?, I never work with libs in kubuntu

Check f.e ./bin/Debug/netcoreapp3.1/runtimes/linux-x64/native/libSkiaSharp.so

[PieroCastillo]

I downloaded libSkiaSharp.so and..., When should I put that?, I never work with libs in kubuntu

Check f.e ./bin/Debug/netcoreapp3.1/runtimes/linux-x64/native/libSkiaSharp.so

really, I don't know what's happen, there is that file, but doesn't work the project

[rstm-sf]

Perhaps the problem is in other dependencies, so you were asked to run the command

Check the output of ldd /path/to/libSkiaSharp.so

[PieroCastillo]

Perhaps the problem is in other dependencies, so you were asked to run the command

Check the output of ldd /path/to/libSkiaSharp.so

this should be the correct output?

piero@piero-Lenovo-IdeaPad-S340-15IWL:~/Escritorio/AuraDev/Aura.UI/Tests/UI.Tests/bin/Debug/netcoreapp3.1/runtimes/linux-x64/native$ ldd libSkiaSharp.so
        linux-vdso.so.1 (0x00007fff25152000)
        libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007ff46d6fb000)
        libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007ff46d6f5000)
        libfontconfig.so.1 => /lib/x86_64-linux-gnu/libfontconfig.so.1 (0x00007ff46d6ae000)
        libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007ff46d55f000)
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007ff46d36d000)
        /lib64/ld-linux-x86-64.so.2 (0x00007ff46e17d000)
        libfreetype.so.6 => /lib/x86_64-linux-gnu/libfreetype.so.6 (0x00007ff46d2ae000)
        libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1 (0x00007ff46d27e000)
        libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007ff46d275000)
        libpng16.so.16 => /lib/x86_64-linux-gnu/libpng16.so.16 (0x00007ff46d23d000)
        libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007ff46d221000)

[kekekeks]

/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 --verify /path/to/libSkiaSharp.so /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 --list /path/to/libSkiaSharp.so

Also show yours deps.json

[danwalmsley]

@kekekeks @PieroCastillo are you missing Avalonia.Skia.Linux.Natives package?

[PieroCastillo]

/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 --verify /path/to/libSkiaSharp.so /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 --list /path/to/libSkiaSharp.so

Also show yours deps.json

UI.Tests.deps.json.txt

this is the file (I changed the file extension to comment here)

[PieroCastillo]

@kekekeks @PieroCastillo are you missing Avalonia.Skia.Linux.Natives package?

throw an exception, that package uses SkiaSharp 1.68, however Avalonia 0.10 uses SkiaSharp 2.68

[Gillibald]

https://www.nuget.org/packages/SkiaSharp.NativeAssets.Linux/ is the correct package

[rstm-sf]

Isn't Avalonia using it?

https://github.com/AvaloniaUI/Avalonia/blob/c575283ae3f128523744843f321ce93a6da02c2b/build/SkiaSharp.props#L4

[PieroCastillo]

well, thanks!, I modified some files and I reinstalled dotnet, now that works without problems.