Javax.servlet.servletexception Error Instantiating Servlet Class Org.apache.jsp.index_jsp
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Java - Why am I getting “HTTP Status 500 - Error instantiating servlet class”? up vote 0 down vote favorite I created a Dynamic Web Project. I have Tomcat 7.0 installed to run it. This is my first time making a Website with java so I'm completely clueless as to what the problem might be. Here is my code: web.xml SimpleTest index.html index.htm index.jsp default.html default.htm default.jsp Hello Hello Hello /Hello Hello.java import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class Hello */ @WebServlet("/Hello") public class Hello extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public Hello() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("Hello"); } } index.jsp <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> http://stackoverflow.com/questions/29494248/java-why-am-i-getting-http-status-500-error-instantiating-servlet-class Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up HTTP Status 500 Error instantiating http://stackoverflow.com/questions/29883080/http-status-500-error-instantiating-servlet-class servlet class up vote 2 down vote favorite I am writing a web app and deploying it to the apache tomcat web container. I follow a simple tutorial from http://cse.csusb.edu/turner/java_web_programming/servlets/ and then end up getting this error. I am pasting snippets of and web.xml, website.xml and my code files respectively. Structure: web.xml: home website.web.HomeServlet home /home HomeServlet.java package website.web; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class HomeServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { PrintWriter writer = resp.getWriter(); writer.println("
Hello, World!
"); } } Error: HTTP Status 500 - Error instantiating servlet class website.web.HomeServlet type Exception report message Error inst
here for http://mail-archives.apache.org/mod_mbox/tomcat-users/201408.mbox/%3C53EAAA0E.2010806@yahoo.com%3E a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us javax.servlet.servletexception error Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow javax.servlet.servletexception error instantiating Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up HTTP Status 500 - Error instantiating servlet class LoginServlet up vote 0 down vote favorite I am getting the following error. type Exception report message Error instantiating servlet class LoginServlet description The server encountered an internal error that prevented it from fulfilling this request. exception javax.servlet.ServletException: Error instantiating servlet class LoginServlet org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Thread.java:745) root cause java.lang.ClassNotFoundException: LoginServlet org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtoco
Re: HTTP Status 500 - Error instantiating servlet class org.apache.jsp.index_jsp Date Tue, 12 Aug 2014 23:58:06 GMT -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 8/12/2014 3:56 PM, Dennis Longnecker wrote: > > > ----- Original Message ----- > > From: "Mark Thomas" To: "Tomcat Users List" > Sent: Tuesday, August 12, 2014 3:11:27 PM > Subject: Re: HTTP Status 500 - Error instantiating servlet class > org.apache.jsp.index_jsp > > On 12/08/2014 22:52, Dennis Longnecker wrote: >> Hello. Migrating from Tomcat 5.5.4 to Tomcat 8.0.9. Actually >> installed Tomcat 8.0.9 on a new server and copied directories >> from the webappl group from the old server to the new server and >> restarted. Everything is working fine except for this one link >> which is giving me this error: >> >> HTTP Status 500 - Error instantiating servlet class >> org.apache.jsp.index_jsp >> >> Basically all this webappl does is dump the contents of a >> directory. More detailed information is: >> >> >> >> type Exception report >> >> message Error instantiating servlet class >> org.apache.jsp.index_jsp >> >> description The server encountered an internal error that >> prevented it from fulfilling this request. >> >> exception javax.servlet.ServletException: Error instantiating >> servlet class org.apache.jsp.index_jsp > > There is a bunch of information missing from the stack trace here. > > >> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) >> >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) >> >> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) >> >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:526) >> >> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078) >> >> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:655) >> >> org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:277) >> >> org.apache.tomcat