i don't know why these error occured can someone explain me how to solve them -
1 cvc-elt.1: Cannot find the declaration of element 'web_1:web-app'. 2 Referenced file contains errors (jar:file:/C:/Program Files/eclipse/plugins/org.eclipse.jst.standard.schemas_1.2.0.v201101142102.jar!/dtdsAndSchemas/web-app_2_5.xsd). For more information, right click on the message in the Problems View and select "Show Details..."
these are the two errors which i face and that because i added a servlet by mistake of which i intended to add a normal class file to my project .. then both these error starting to show even i delete the servlet file . this is my xml code (actually it is the basic code)- as i have not used a single servlet file untill yet , i only used jsp file.
still xml file -
<?xml version="1.0" encoding="UTF-8"?>
<web_1:web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web- app_2_4.xsd" xmlns:web_1="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>InitialD</display-name>
<web_1:welcome-file-list>
<web_1:welcome-file>index.html</web_1:welcome-file>
<web_1:welcome-file>index.htm</web_1:welcome-file>
<web_1:welcome-file>index.jsp</web_1:welcome-file>
<web_1:welcome-file>default.html</web_1:welcome-file>
<web_1:welcome-file>default.htm</web_1:welcome-file>
<web_1:welcome-file>default.jsp</web_1:welcome-file>
</web_1:welcome-file-list>
</web_1:web-app>
