java lang UnsatisfiedLinkError

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Java

Linux

netbeans

hi experts,

I am developing one java application in ubuntu 10.04.

I am trying to load library named "libTestJavaLib.so" but below error given

Exception in thread "main" java.lang.UnsatisfiedLinkError: no libTestJavaLib in java.library.path
    at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1860)
    at java.lang.Runtime.loadLibrary0(Runtime.java:845)
    at java.lang.System.loadLibrary(System.java:1084)
    at javaapptest.JavaAppTest.<clinit>(JavaAppTest.java:14)

i have try all below path for "libTestJavaLib" file

/FileSystem/lib
/usr/lib
/uer/lib/jvm/jdk1.7.0/lib
/uer/lib/jvm/jdk1.7.0/lib/i386

but it is still error.
how can i solved it?
My sample Code is as under

public class JavaAppTest {
    static 
    {
     System.loadLibrary("libTestJavaLib");
    }
     static long device;
   
    public static void main(String[] args) {
        
        System.out.println("testing");
        device = mfs100.MFS100_Init();
        System.out.println("testing complete");
    }
}

mfs100.java

public class mfs100 {
  public static long MFS100_Init() {
    long cPtr = mfs100javaJNI.MFS100_Init();
    return cPtr;
  }

  public static int MFS100_Close(long device) {
    return mfs100javaJNI.MFS100_Close(device);
  }
}

mfs100javaJni.java

public class mfs100javaJNI {
  public final static native long MFS100_Init();
  public final static native int MFS100_Close(long jarg1);
}