How to get the anchor name in HTTP GET?

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("Que

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anchor (#) 以降はパラメータとみなされないためサーバには送られず, ブラウザがごにょごにょするもの. JavaScriptで処理するしかない