Loading JNI Libraries

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JNI Based Applications:
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Applications that require native libraries must ensure that the libraries have
been loaded prior to use. Typically, this is done with a call like:

static {
System.loadLibrary("path-to-library-file");
}

in some class. However, the application must also ensure that the library is
not loaded more than once. If the above code were placed in a class inside
the web application (i.e. under /WEB-INF/classes or /WEB-INF/lib), and the
application were reloaded, the loadLibrary() call would be attempted a second
time.

To avoid this problem, place classes that load native libraries outside of the
web application, and ensure that the loadLibrary() call is executed only once
during the lifetime of a particular JVM.