See the following error to access the localhost:8080:

HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.jsp.index_jsp org.apache.jasper.servlet.JspServletWrapper.getServlet(Unknown Source) org.apache.jasper.servlet.JspServletWrapper.service(Unknown Source) org.apache.jasper.servlet.JspServlet.serviceJspFile(Unknown Source) org.apache.jasper.servlet.JspServlet.service(Unknown Source) javax.servlet.http.HttpServlet.service(Unknown Source)
root cause
java.lang.ClassNotFoundException: org.apache.jsp.index_jsp java.net.URLClassLoader$1.run(URLClassLoader.java:217) java.security.AccessController.doPrivileged(Native Method) java.net.URLClassLoader.findClass(URLClassLoader.java:205) org.apache.jasper.servlet.JasperLoader.loadClass(Unknown Source) org.apache.jasper.servlet.JasperLoader.loadClass(Unknown Source) org.apache.jasper.servlet.JspServletWrapper.getServlet(Unknown Source) org.apache.jasper.servlet.JspServletWrapper.service(Unknown Source) org.apache.jasper.servlet.JspServlet.serviceJspFile(Unknown Source) org.apache.jasper.servlet.JspServlet.service(Unknown Source) javax.servlet.http.HttpServlet.service(Unknown Source)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.23-gentoo logs.
Apache Tomcat/7.0.23-gentoo

4

3 Answers

I experienced this problem just now. if your are on windows machine make sure that you added CATALINA_HOME environment variable pointing to your <tomcatdirectory>\bin.

Error says

java.lang.ClassNotFoundException

It seems either some lib files are missing

OR

Servlet class path is entered wrong

For Java-EE project converted to Maven project with jstl dependency in pom.xml

• right click the project in question
• open Properties
• click on Deployment Assembly
• click Add
• select Java Build Path Entries
• select Maven dependencies

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