# Before Running Your Application

Before running your application you must set the library path using one of the following methods:

- On Windows, add the location of `KeyViewFilter.dll` to the `PATH` environment variable.
- On Solaris, Linux, and HP-UX IA-64, add the location of `libKeyViewFilter.so` to the `LD_LIBRARY_PATH` environment variable.
- On HP-UX PA-RISC, add the location of `libKeyViewFilter.sl` to the `SHLIB_PATH` environment variable.
- On AIX, add the location of `libKeyViewFilter.a` to the `LIBPATH` environment variable.

- You can also specify the library path as a system property as follows:

      java -Djava.library.path=filter_bin_directory ...

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