Can't find dependent libraries

[MrBlazer335]

Describe the problem

Task :desktop:run
Exception in thread "main" com.badlogic.gdx.utils.GdxRuntimeException: java.lang.UnsatisfiedLinkError: P:\Java\Java-Python\venv\Lib\site-packages\jep\jep.dll: Can't find dependent libraries
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.(Lwjgl3Application.java:173)
at com.roquelike.game.DesktopLauncher.main(DesktopLauncher.java:15)
Caused by: java.lang.UnsatisfiedLinkError: P:\Java\Java-Python\venv\Lib\site-packages\jep\jep.dll: Can't find dependent libraries
at java.base/jdk.internal.loader.NativeLibraries.load(Native Method)
at java.base/jdk.internal.loader.NativeLibraries$NativeLibraryImpl.open(NativeLibraries.java:331)
at java.base/jdk.internal.loader.NativeLibraries.loadLibrary(NativeLibraries.java:197)
at java.base/jdk.internal.loader.NativeLibraries.loadLibrary(NativeLibraries.java:139)
at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2418)
Caused by: java.lang.UnsatisfiedLinkError: P:\Java\Java-Python\venv\Lib\site-packages\jep\jep.dll: Can't find dependent libraries
I did args, I use gradle, I used even MainInterpreter, pls help

Environment (please complete the following information):
Windows 10
3.12
21
4.2.0
numpy

[bsteffensmeier]

It looks like you are using a virtual environment. Make sure your virtual environment is active before starting your java program. #513 may have some information that can help you.

[whaypr]

Hi, I have the same issue and none of the proposed solutions worked for me. @MrBlazer335, were you able to solve it?

[bking-encodia]

Got this issue running jep under Windows with Python 3.12 in a virtual environment. I was correctly adding the folder with jep.dll to PATH environment variable. But it was still complaining "Can't find dependent libraries". Turns out I also needed to add the folder containing python312.dll to the PATH as well. My final PATH environment variable ended being:

PATH=D:\myapp\venv\Lib\site-packages\jep;C:\Users\someuser\AppData\Local\Programs\Python\Python312

Then it worked

[whaypr]

Got this issue running jep under Windows with Python 3.12 in a virtual environment. I was correctly adding the folder with jep.dll to PATH environment variable. But it was still complaining "Can't find dependent libraries". Turns out I also needed to add the folder containing python312.dll to the PATH as well. My final PATH environment variable ended being:

PATH=D:\myapp\venv\Lib\site-packages\jep;C:\Users\someuser\AppData\Local\Programs\Python\Python312

Then it worked

Thanks for your quick response!

There was indeed an issue with Python's DLL not being present in the PATH. To be more precise, the issue was that there was only Microsoft Store Python installed on my machine, which does not provide the DLL. The solution was to install Python from its website and the PATH was automatically updated accordingly.

Having fixed the problem, I've got <class 'ModuleNotFoundError'>: No module named 'jep' error instead, which I fixed by adding

    SharedInterpreter.setConfig(
      new JepConfig()
        .addIncludePaths(Paths.get("<path_to_venv>/Lib/site-packages/jep/").toString)
    )

to my code.

That resolved into <class 'ImportError'>: dynamic module does not define module export function (PyInit_jep) error when instantiating SharedInterpreter class. For this error I have not been able to find any solution yet.

---

EDIT

The last error was caused by pointing to the jep directory itself and not to the directory containing the jep directory, as stated here. With

    SharedInterpreter.setConfig(
      new JepConfig()
        .addIncludePaths(Paths.get("<path_to_venv>/Lib/site-packages/").toString)
    )

everything works now.

[drseung]

I am having the same issue. The above suggestions of path setting and edits to JepConfig did not work. Has anyone tried anything else.

My application ships with an embedded python for windows environments where python is not installed. When I unpack this and try to get a new SharedInterpreter() I get Java.lang.UnsatisfiedLinkError. I am correctly adding the jep.dll path for System.load(jepLibraryPath) call in MainInterpreter.initialize() via MainInterpreter.setJepLibraryPath(jepPath).

I have tried the System PATH edit as well as add the JepConfig.addIncludePaths with all the paths in my python package (Lib, Scripts, libs, Lib\site-package, include, DLLs)

I have tried this with a minimalist embedded .zip python and complete python312 build.
I have set pythonhome in jep.pyCconfig " C:\vapData*.vap\py\vi_venv"
I have set the jepLibraryPath "C:\Users*.vap\py\vi_venv\Lib\site-packages\jep\jep.dll"

Exception in thread "Thread-154" java.lang.UnsatisfiedLinkError: C:\vapData***.vap\py\vi_venv\Lib\site-packages\jep\jep.dll: Can't find dependent libraries
at java.base/jdk.internal.loader.NativeLibraries.load(Native Method)
at java.base/jdk.internal.loader.NativeLibraries$NativeLibraryImpl.open(NativeLibraries.java:331)
at java.base/jdk.internal.loader.NativeLibraries.loadLibrary(NativeLibraries.java:197)
at java.base/jdk.internal.loader.NativeLibraries.loadLibrary(NativeLibraries.java:139)
at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:2399)
at java.base/java.lang.Runtime.load0(Runtime.java:852)
at java.base/java.lang.System.load(System.java:2030)
at jep.MainInterpreter.initialize(MainInterpreter.java:126)
at jep.MainInterpreter.getMainInterpreter(MainInterpreter.java:101)
at jep.Jep.(Jep.java:133)
at jep.SharedInterpreter.(SharedInterpreter.java:60)
at ca.okello.vi.central.OsGovernor.getPyInterpreter(OsGovernor.java:400)
at ca.okello.vi.ui.onBoarding.OnboardingCTRL$2.run(OnboardingCTRL.java:117)
at java.base/java.lang.Thread.run(Thread.java:1570)

Any thoughts?