bookmarks of the day 02/17/2010

Posted by Toshihide Sato | | Posted On Feb 17, 2010 at 11:30 PM

  • tags: jni, axis, error

    • 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.

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