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Description
Steps to reproduce
- In Visal Studio create .NET 9 console application.
Add windows and linux nuGet packages:

- Create program.cs file:
using OpenCvSharp;
using Mat src = new Mat();
Console.WriteLine(src);
Console.ReadLine();
return 0;
- Publish application to Linux to folder

- Copy files to Debian 13.
- Copy libtesseract.so.4 from tesseract installation.
- Run application.
Observed:
Unhandled exception. System.TypeInitializationException: The type initializer for 'OpenCvSharp.Internal.NativeMethods' threw an exception.
---> System.DllNotFoundException: Unable to load shared library 'OpenCvSharpExtern' or one of its dependencies. In order to help diagnose loading problems, consider using a tool like strace. If you're using glibc, consider setting the LD_DEBUG environment variable:
/var/www/kustuta/OpenCvSharpExtern.so: cannot open shared object file: No such file or directory
libtesseract.so.4: cannot open shared object file: No such file or directory
libOpenCvSharpExtern.so: cannot open shared object file: No such file or directory
/var/www/kustuta/OpenCvSharpExtern: cannot open shared object file: No such file or directory
/var/www/kustuta/libOpenCvSharpExtern: cannot open shared object file: No such file or directory
at OpenCvSharp.Internal.NativeMethods.redirectError(CvErrorCallback errCallback, IntPtr userdata, IntPtr& prevUserdata)
at OpenCvSharp.Internal.ExceptionHandler.RegisterExceptionCallback()
at OpenCvSharp.Internal.NativeMethods.LoadLibraries(IEnumerable`1 additionalPaths)
at OpenCvSharp.Internal.NativeMethods..cctor()
--- End of inner exception stack trace ---
at OpenCvSharp.Internal.NativeMethods.core_Mat_new1(IntPtr& returnValue)
at OpenCvSharp.Mat..ctor()
at Program.<Main>$(String[] args) in C:\OpenCvShaptLinuxTest\Program.cs:line 2
Aborted
Actually libraries exist:
ls -l libOpenCvSharpExtern.so
-rw-r--r-- 1 debian debian 73229704 7. mai 03:37 libOpenCvSharpExtern.so
ls -l libtesseract.so.4
-rw-r--r-- 1 root root 3516952 11. jaan 2023 libtesseract.so.4
ldd OpenCvSharpTesseractReceiptDemo
linux-vdso.so.1 (0x00007ffe803fc000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f30d00bb000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f30d00b6000)
libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f30cfe00000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f30cfd20000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f30d0096000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f30cfb3e000)
/lib64/ld-linux-x86-64.so.2 (0x00007f30d00e7000)
libOpenCvSharpExtern.so Some references are not resolved:
ldd libOpenCvSharpExtern.so
linux-vdso.so.1 (0x00007ffe83fad000)
libtesseract.so.4 => not found
libgtk-x11-2.0.so.0 => not found
libgdk-x11-2.0.so.0 => not found
libcairo.so.2 => /lib/x86_64-linux-gnu/libcairo.so.2 (0x00007fe5720dc000)
libgdk_pixbuf-2.0.so.0 => /lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 (0x00007fe5720ae000)
libgobject-2.0.so.0 => /lib/x86_64-linux-gnu/libgobject-2.0.so.0 (0x00007fe57204f000)
libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007fe571f17000)
libavcodec.so.58 => not found
libavformat.so.58 => not found
libavutil.so.56 => not found
libswscale.so.5 => not found
libjpeg.so.8 => not found
libpng16.so.16 => /lib/x86_64-linux-gnu/libpng16.so.16 (0x00007fe571ee1000)
libtiff.so.5 => not found
...
Solution is attached
If Debian 11 packages are installed, error
libOpenCvSharpExtern.so: undefined symbol: ZN7Imf_2_514ChromaticitiesC1ERKN9Imath_2_54Vec2IfEES5_S5_S5
Occurs. libOpenCvSharpExtern.so does not run in Debian 12.
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