error « Validation « JSP-Servlet Q&A

1. "someVariable cannot be resolved" error indicated in Eclipse for an included JSP    stackoverflow.com

So I have a main JSP index page, "index.jsp", which has several includes. Something like,

<%@ include file="/WEB-INF/views/includes/jstl/include.jsp" %>
<%@ include file="/WEB-INF/views/includes/licenses/license.jsp" %>
<%@ include file="/WEB-INF/views/includes/generalHtml/header.jsp" %>
<%@ include file="/WEB-INF/views/includes/navigation/navbar.jsp" %>
<%@ include file="/WEB-INF/views/includes/generalHtml/footer.jsp" %>

2. Mysterious Eclipse JSP Validation Errors    stackoverflow.com

Eclipse (Helios) occasionally marks valid looking JSP content as having errors. It seems like it often breaks when I use the <c:if> tag. For example, in a JSP with just this ...

3. web.xml validation error    stackoverflow.com

I have got one more error in web xml

-Cannot resolve the name 'javaee:web-appType' to a(n) 'type definition' component.

<?xml version="1.0" encoding="UTF-8"?><!--error here-->
<web-app 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_3_0.xsd"

4. web-app_2_5.xsd showing errors when validating web.xml in Weblogic    stackoverflow.com

I have done a Dynamic Web project with Spring 3.0 using Tomcat Server & it works fine. When i deployed the same in Weblogic Server; it throws me an error:

VALIDATION PROBLEMS ...

5. Eclipse "return false;" html error    stackoverflow.com

I have been getting red markers on the file and the vertical bar because of "return false;" inside html tags on jsp's. Is there any way to disable specifically this "return false;" ...