UnsatisfiedLinkError

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I follow completely proccess in http://docs.opencv.org/2.4/doc/tutori...

Here is my code :

package game2;

import org.opencv.core.Core;

import org.opencv.core.CvType;

import org.opencv.core.Mat;

public class hello

{ public static void main( String[] args )

{

  System.loadLibrary( Core.NATIVE_LIBRARY_NAME );

  Mat mat = Mat.eye( 3, 3, CvType.CV_8UC1 );

  System.out.println( "mat = " + mat.dump() );

}

} And i got :

Exception in thread "main" java.lang.UnsatisfiedLinkError: org.opencv.core.Mat.n_eye(III)J

at org.opencv.core.Mat.n_eye(Native Method)

at org.opencv.core.Mat.eye(Mat.java:492)

at ja.Hello.main(Hello.java:11)

Could you help me solve this problem ?