public class TestThreadServlet extends HttpServlet {

private static ThreadLocal thread = new ThreadLocal();

private int flag = 0;

public void doGet( HttpServletRequest request,

HttpServletResponse response)

throws ServletException, IOException {

flag++;

String str = "This is the first String." + new Object();

if (thread.get() == null)

thread.set(str);

PrintWriter out = response.getWriter();

out.println("<p>");

out.println("<BR>flag : " + flag);

out.println("<BR>sessionid : " + request.getSession().getId());

out.println("<BR>servlet : " + this.toString());

out.println("<BR>thread : " + thread.get());

out.println("</p>");

}

}

Session 1:

flag : 2
sessionid : amGeaiVwKvL9
servlet : test.other.TestThreadServlet@5f2db0
thread : This is the first String.java.lang.Object@1ad6b4b

Session 1:

flag : 3
sessionid : aR3GkcUQoXT-
servlet : test.other.TestThreadServlet@5f2db0
thread : This is the first String.java.lang.Object@6214f5

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