How to use JNI with JPRO ? about hellojpro HOT 10 CLOSED

include "hello"
include "server"

C:\Users\pja\Documents\HelloJPro>gradlew test
> Task :hello:compileDebugCpp FAILED

FAILURE: Build failed with an exception.

 * What went wrong:
 Execution failed for task ':hello:compileDebugCpp'.
 > No tool chain is available to build C++ for host operating system 'Windows 10' architecture 'x86-64':
 - Tool chain 'visualCpp' (Visual Studio):
   - Could not locate a Visual Studio installation, using the command line tool, Windows registry or system path.
 - Tool chain 'gcc' (GNU GCC):
 - Could not find C++ compiler 'g++' in system path.
 - Tool chain 'clang' (Clang):
   - Could not find C++ compiler 'clang++' in system path.

  * Try:
   Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with -- 
   scan to get full insights.

  * Get more help at https://help.gradle.org

  BUILD FAILED in 1s
  3 actionable tasks: 1 executed, 2 up-to-date

public class HelloWorld {
public native void print();

static {
    System.loadLibrary("hello");
}

public static void main(String[] args) {
    new HelloWorld().print();
}

}

10:30:26: Executing task 'HelloWorld.main()'...

> Task :compileJava
> Task :processResources NO-SOURCE
> Task :classes

> Task :HelloWorld.main() FAILED
2 actionable tasks: 2 executed
java.lang.UnsatisfiedLinkError: no hello in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1860)
at java.lang.Runtime.loadLibrary0(Runtime.java:871)
at java.lang.System.loadLibrary(System.java:1124)
at HelloWorld.<clinit>(HelloWorld.java:5)
Exception in thread "main" 
FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':HelloWorld.main()'.
> Process 'command 'C:/Program Files/OpenJDK/openjdk-8u292-b10/bin/java.exe'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to 
get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 5s
 10:30:33: Task execution finished 'HelloWorld.main()'.