title: Exception in thread "main" java.lang.UnsatisfiedLinkError: no libopencv_java247 in java.library.path
body: <p>In oder to create a simple opencv java project I folled this <a href="http://docs.opencv.org/2.4.4-beta/doc/tutorials/introduction/desktop_java/java_dev_intro.html" rel="nofollow noreferrer">tutorial</a> step by step but</p>
  <p>when I run the associated exemple I get the folowwing error :</p>
  <p><code>Exception in thread &quot;main&quot; java.lang.UnsatisfiedLinkError: no libopencv_java247 in java.library.path </code></p>
  <p><strong>EDIT</strong></p>
  <p>I read all similar questions and I try those solutions</p>
  <p>--</p>
  <p><code>-Djava.library.path=/home/noura/Desktop/opencv/build/lib/</code></p>
  <p><code> export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/home/noura/Desktop/opencv/build/lib</code></p>
  <p>but the problem is not solved</p>