Question

url mapping in the web.xml not locating the servlet

Asked by: rmvprasad

I am trying to do a simple web application. I am not able to redirect from an index.jsp outside WEB-INF to temp.jsp which is inside WEB_INF. If I keep all the jsp's outside web-inf it is working. Similarly it is not able to identify the servlet once I submit the form. I tried by keeping the servlets and classes in the default package(removed the package structure).Following are the details. Thanks in advance.

 I have an index.jsp outside WEB-INF. I have an other jsp under jsp folder inside WEB-INF(WEB-INF/jsp/temp.jsp). In the web.xml in the <welcome-file-list>  is index.jsp. In index.jsp the following is the code

<%@ include file="/WEB-INF/jsp/include.jsp" %>
<%System.out.println("Inside index.jsp");%>
<c:redirect url="/WEB-INF/jsp/AddressHome.jsp"/>

include.jsp is inside WEB-INF/jsp(WEB-INF/jsp/include.jsp). The code if include.jsp is

<%@ page session="false"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>

My web.xml says
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <session-config>
        <session-timeout>
            30
        </session-timeout>
    </session-config>

    <servlet>
        <servlet-name>ControllerServlet</servlet-name>
        <servlet-class>com.web.servlet.ControllerServlet</servlet-class>
    </servlet>

    <servlet-mapping>
        <servlet-name>ControllerServlet</servlet-name>
        <url-pattern>/addaddr</url-pattern>
    </servlet-mapping>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
    </web-app>

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Asked On
2009-09-14 at 10:44:34ID24730375
Topic

Java Standard Edition

Participating Experts
1
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Comments
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Answers

 

by: rmvprasadPosted on 2009-09-14 at 10:47:38ID: 25327670

The path I have given is <c:redirect url="/WEB-INF/jsp/AddressHome.jsp"/> which suits the exact location of the AddressHome.jsp file. The AddressHome.jsp is nothing but temp.jsp. I just mentioned it as temp.jsp to simplify the reading
My understanding is we place index.jsp outside WEB-INF is because anything inside WEB-INF is not visible from outside so access the jsp files located inside WEB-INF/jsp/AddressHome.jsp we need to place index.jsp outside WEB-INF.The reason we place web.xml which contains security information inside WEB-INF is it is not seen from outside. SO how to access the jsp's inside WEB-INF. For this purpose we place index.jsp outside WEB-INF and redirect it to the required jsp which is inside WEB-INF.

 

by: dravidnsrPosted on 2009-09-14 at 11:08:28ID: 25327842

u told that <<<<<<< I have an index.jsp outside WEB-INF.

but u mention <%@ include file="/WEB-INF/jsp/include.jsp" %>

inside web-inf/jsp?? y???

 

by: rmvprasadPosted on 2009-09-14 at 11:15:27ID: 25327899

It was a mistake this is the latest code
<%@ include file="/include.jsp" %>
<c:redirect url="/AddressHome.jsp"/>

 

by: dravidnsrPosted on 2009-09-14 at 11:21:24ID: 25327952

<< <c:redirect url="/AddressHome.jsp"/>
is it AddressHome.jsp outside of web-inf folder???????

 

by: rmvprasadPosted on 2009-09-14 at 11:23:47ID: 25327966

yes

 

by: dravidnsrPosted on 2009-09-14 at 11:25:22ID: 25327976

ok what is ur pblm ??
put ur error code? ?

 

by: dravidnsrPosted on 2009-09-14 at 11:27:01ID: 25327989

<url-pattern>/addaddr</url-pattern>

its must me like this only

<url-pattern>*.jsp</url-pattern>

 

by: dravidnsrPosted on 2009-09-14 at 11:27:39ID: 25327991

which framwork ur using ???

 

by: dravidnsrPosted on 2009-09-14 at 11:29:46ID: 25328007

just try this !!


- <servlet>
  <servlet-name>default</servlet-name>
  <servlet-class>org.apache.tomcat.core.DefaultServlet</servlet-class>
  </servlet>
- <servlet>
  <servlet-name>invoker</servlet-name>
- <servlet-class>
  org.apache.tomcat.core.InvokerServlet
- <!--             org.apache.tomcat.core.NoInvokerServlet

  -->
  </servlet-class>
  </servlet>
- <servlet>
  <servlet-name>jsp</servlet-name>
  <servlet-class>org.apache.jasper.runtime.JspServlet</servlet-class>
  </servlet>
- <servlet-mapping>
  <servlet-name>invoker</servlet-name>
  <url-pattern>/servlet/*</url-pattern>
  </servlet-mapping>
- <servlet-mapping>
  <servlet-name>jsp</servlet-name>
  <url-pattern>*.jsp</url-pattern>
  </servlet-mapping>

 

by: rmvprasadPosted on 2009-09-14 at 11:32:03ID: 25328028

Once I kept all the jsp's outside web-inf it started working. Now once the jsp was loaded, I entered values in the test boxes and clicked submit which has a form action action="addaddr" . This maps to a servlet in web.xml


 <servlet>
        <servlet-name>ControllerServlet</servlet-name>
        <servlet-class>ControllerServlet</servlet-class>
    </servlet>

    <servlet-mapping>
        <servlet-name>ControllerServlet</servlet-name>
        <url-pattern>/addaddr</url-pattern>
    </servlet-mapping>

 

by: dravidnsrPosted on 2009-09-14 at 11:35:09ID: 25328049

url-pattern is different ...

u must mention the that in another xml file ..

 

by: rmvprasadPosted on 2009-09-14 at 11:38:58ID: 25328080

where should I mention other than web.xml. I am not following any framework other than hibernate which is on database side. If it is struts or springs they have their own config files.

 

by: rmvprasadPosted on 2009-09-14 at 21:36:45ID: 25331758

The problem is with the Form tag ACTION should be given as below

<FORM name="addressentry" ACTION="addaddr">

The cause of the error was:
earlier ACTION was given as ACTION="/addaddr" or ACTION="<CLASS NAME GIVEN IN web.xml>" or ACTION="/<CLASS NAME GIVEN IN web.xml>"

20120131-EE-VQP-002

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