I followed the article of installing Eclipse Web Tool Platform (WTP) from these two links:
Servlet and JSP development with Eclipse WTP
Setup Eclipse and Tomcat 7 on Linux
Now, while running my project in Eclipse, I get the following error message:

My JSP project was running fine on Eclipse. However, I got the following error when I tried to add some value to database through my project data insert form.

org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.UnsupportedClassVersionError: com/mysql/jdbc/Driver : Unsupported major.minor version 51.0

I got the following error while working on a JSP project on Eclipse IDE. I have been using Tomcat server version 7.
Here is the error message: