Configure the Tomcat server in eclipse environment and view the problems on the JSP page

When you configure the environment on your computer, there are more problems than the unit. It may be that some software environment variables that have been installed intermittently are not properly configured, today, a new project is created to view a simple JSP page. The following problems occur:

Unable to find a javac compiler;

Com. Sun. Tools. javac. Main is not on
Classpath.

Perhaps java_home does not point to the JDK

 

I found some solution on the Internet, but it was not very easy to use. Finally, I was very happy to see it.

This problem occurs because tools in the JDK lib folder are required during Tomcat startup. JAR file. If the file cannot be found, the above error will occur. when the jar path is appended to the Java classpath setting, it will be OK ,~