使用JSTL库标记调用Java类表单JSP

I have got MyCpu java class which is running fine and I need to display the output into web page I have tried using JSP only and it doesn't work and then I added JSTL tag library and added this code -Djava.library.path="./lib" to MANIFEST.MF also I'm using Sigar API and I added to library then I end with this error:I have got MyCpu java class which is running fi