What is LD_LIBRARY_PATH and how to use it?

Question

I take part in developing a Java project, which uses some C++ components, thus I need Jacob.dll. (on Windows 7)

I keep getting java.lang.UnsatisfiedLinkError:

Answer 1

Typically you must set java.library.path on the JVM's command line:

java -Djava.library.path=/path/to/my/dll -cp /my/classpath/goes/here MainClass