@RequestAttribute in spring mvc not fetch the value

[Anand Sivathanu]

Hi Friends,

@RequestAttribute in spring mvc not fetch the value.

I have a modelAttribute.here "foo" attribute is set a value of "bar"

	@ModelAttribute
	void beforeInvokingHandlerMethod(HttpServletRequest request) {
		request.setAttribute("foo", "bar");
	}

I try to invoke the request attribute value for "foo" using @RequestAttribute("foo").But value is null.

Then i try using request.getAttribute("foo").value is printed. I not know what is wrong in @RequestAttribute("foo").

	@RequestMapping(value="/data/custom", method=RequestMethod.GET)
	public @ResponseBody String custom(@RequestAttribute("foo") String foo,HttpServletRequest request) {
		System.out.println("foo value : " + foo);//null printed
		System.out.println("request.getAttribute : " + request.getAttribute("foo"));//value printed

		return foo;
	}

Please help me in this issue.

Regards,
Anand

[Bill Gorder]

@RequestAttribute is not a Spring annotation, so I am not sure what you have going there. Of course it would not be hard to extend to Spring to add such an annotation using a custom WebArgumentResolver.

[Anand Sivathanu]

In HTTP Servlet request object, "foo" is set to value "bar".

Using @RequestAttribute("foo"), I try to fetch the value.

In spring showcase tutorial,they have mentioned that we can fetch the value of foo using @RequestAttribute("foo").

But not fetch. why it is not fetching? this is my question