Spring controller variable not print in view page

Question

i am new to Spring Mvc,so i have this simple question below

Code1:

@RequestMapping("/hello")
    public ModelAndView hello()
    {
        String str="Be happy!!!!!";
        return new ModelAndView("hello","message",str);
    }

In hello.jsp View Page ,when i print str then i get result as ${message}

code2:

@RequestMapping("/hello")
    public ModelAndView hello()
    {
        String str="Be happy!!!!!";
        return new ModelAndView("hellopage","message",str);
    }

but in hellopage.jsp i get result as Be happy!!!!!

so why above code1 does not print str string?

below is my view page jsp code and it is same for both hello.jsp and hellopage.jsp :

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">

</head>
<body>
${message}
</body>
</html>

in hello.jsp View Page ,when i print str then i get result as ${message} and in hellopage.jsp i get result as Be happy!!!!! — Pirai Sudie
– Pirai Sudie, Commented Oct 30, 2018 at 5:25

Avijit Barua · Accepted Answer · 2018-10-30 05:34:46Z

1

In hello.jsp put this expression <%@ page isELIgnored="false"%> at the top. Sometimes expression language automatically off for page

answered Oct 30, 2018 at 5:34

Avijit Barua

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1 Comment

Avijit Barua Over a year ago

That's why I suggest you to use to expression !

vishal lakhyani · Accepted Answer · 2018-10-30 06:36:00Z

1

The EL expression doesn't get evaluated? That can have one or more of the following causes:

Application server in question doesn't support JSP 2.0.
The web.xml is not declared as Servlet 2.4 or higher.
The @page is configured with isELIgnored=true.
The web.xml is configured with true in .

In your case it looks like case no 3. Try to put isElIgnored=false in your jsp file.

answered Oct 30, 2018 at 6:36

vishal lakhyani

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