Problem when using jbyteArray (C++) and byte array (Java)

[Damalo_02]

Hello,
I need to use a byte array, created in C++ part, as an argument of a Java function.

In C++ part, I create my jbyteArray and pass it as argument :

Then in Java part I try to use my byte array but it dosen't work :

So I try to print values of my byte array in C++ and Java part :

C++

Java

I don't understand why I get this value in the Java part.
If someone has any idea.

Thanks