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Editorial Team
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Asked: 2026-05-23T20:14:00+00:00

In a Java web project, how can I get (if possible) the HTTP anchor

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In a Java web project, how can I get (if possible) the “HTTP anchor” part in a URL request?
For example, when the request URL is http://localhost:8080/servlet/page.htm?param1=value1&param2=value2#section I want to be able to recognize the #section part.

public void doGet
(HttpServletRequest request, HttpServletResponse response) 
throws ServletException, IOException 
{
  // ...
  System.out.println("QueryString = " + request.getQueryString());
  // ...
}

The example above produces the substring preceeding the #, in this case: param1=value1&param2=value2. Is there a way to extract the part of the URL after the # sign?

If this is of any use, I’m using the Apache Click framework.

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1 Answer

  1. Editorial Team

    I don’t think the anchor part is send to the server. It is only processed by the browser. Maybe you can extract it using JavaScript.

    According to RFC 1808:

    Note that the fragment identifier (and the “#” that precedes it) is
    not considered part of the URL.

    From http://iwebdevel.com/2009/06/10/javascript-get-anchor-from-url/ 

    var url=window.location;
var anchor=url.hash; //anchor with the # character  
var anchor2=url.hash.substring(1); //anchor without the # character
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