What is the cause of an UnsatisfiedLinkError?

Question

When i am trying to run my program it is giving the following error

       Exception in thread \"main\" java.lang.UnsatisfiedLinkError: no jacob-1.14.3-x86 i         


        

Answer 1

From the Javadoc:

Thrown if the Java Virtual Machine cannot find an appropriate native-language definition of a method declared native.

It is an error related to JNI. loadJacobLibrary is trying to load the native library called jacob-1.14.3-x86 and it is not found on the path defined by java.library.path. This path should be defined as a system property when you start the JVM. e.g.

-Djava.library.path=

On Windows, the actual native library file will be called jacob-1.14.3-x86.dll while on Linux it would be called libjacob-1.14.3-x86.so