[jboss-jira] [JBoss JIRA] (WFLY-4352) Servlet 3 - async-mode - onComplete not tirggered when JSP is dispatched

Mon Feb 16 03:33:49 EST 2015

Günther Grill created WFLY-4352:
-----------------------------------

             Summary: Servlet 3 - async-mode - onComplete not tirggered when JSP is dispatched
                 Key: WFLY-4352
                 URL: https://issues.jboss.org/browse/WFLY-4352
             Project: WildFly
          Issue Type: Feature Request
          Components: Server
    Affects Versions: 8.2.0.Final
            Reporter: Günther Grill
            Assignee: Jason Greene

When a JSP is dispatched in a Async-Servlet, the {{AsyncListener#onComplete}} is never triggered.

{code:title=AsyncServlet.java|borderStyle=solid}
@WebServlet(urlPatterns = { "/AsyncServlet" }, asyncSupported = true)
public class AsyncServlet extends HttpServlet {
	public AsyncServlet() {
		super();
	}

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
		res.setContentType("text/html");
		final AsyncContext ac;
		if (req.isAsyncStarted()) {
			ac = req.getAsyncContext();
		} else {
			ac = req.startAsync();
		}
		ac.setTimeout(5000);
		ac.addListener(new AsyncListener() {
			@Override
			public void onTimeout(AsyncEvent event) throws IOException {
				System.out.println("onTimeout");
			}
			@Override
			public void onStartAsync(AsyncEvent event) throws IOException {
				System.out.println("onStartAsync");
			}
			@Override
			public void onError(AsyncEvent event) throws IOException {
				System.out.println("onError");
			}
			@Override
			public void onComplete(AsyncEvent event) throws IOException {
				System.out.println("onComplete");
			}
		});

		System.out.println("Calling JSP...");
		ac.dispatch("/result.jsp");
		System.out.println("After JSP call");
	}
}
{code}

{code:title=result.jsp|borderStyle=solid}
<%@ 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">
<title>AsyncServletTest</title>
</head>
<body>
	<p>JSP Content</p>
	<%
	System.out.println("Start JSP");
	Thread.sleep(1000); // sleep 1 seconds
	String resp = (String)request.getAttribute("result");
	resp = resp + "<p>on JSP</p>";
	Thread.sleep(1000); // sleep 1 seconds
	System.out.println("End JSP");
	%>
	<p><%=resp%></p>
</body>
</html>
{code}

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