[jboss-jira] [JBoss JIRA] (WFLY-5731) PollSelectorImpl's FD leak for asyncServlet

[浩 陈 (JIRA)]

浩 陈 created WFLY-5731:
-------------------------

             Summary: PollSelectorImpl's FD leak for asyncServlet
                 Key: WFLY-5731
                 URL: https://issues.jboss.org/browse/WFLY-5731
             Project: WildFly
          Issue Type: Bug
          Components: Web (Undertow)
    Affects Versions: 8.1.0.Final
         Environment: OS:Red Hat Enterprise Linux Server release 5.5 (Tikanga) 
MW:wildfly-8.1.0.Final
JDK:
java version "1.7.0_25"
Java(TM) SE Runtime Environment (build 1.7.0_25-b15)
Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode)

            Reporter: 浩 陈
            Assignee: Stuart Douglas
            Priority: Critical
         Attachments: DemoServlet.java

AsyncServlet doGet() like this: 

    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws     ServletException, IOException {
		resp.setContentType("text/html;charset=UTF-8");
		AsyncContext ctx = req.startAsync();
		new Thread(new Executor(ctx)).start();
	}
public class Executor implements Runnable {
		private AsyncContext ctx = null;

		public Executor(AsyncContext ctx) {
			this.ctx = ctx;
		}
		public void run() {
			try {
				char[] data = new char[1024 * 1024 * 1];
				PrintWriter out = ctx.getResponse().getWriter();
				out.write(data);
				out.flush();
				ctx.complete();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
do request this Servlet some times , run linux cmd :
lsof -p [JAVAPID]|grep pipe|wc -l
this number increases by two every one request,but never decrease! when this number up to OS's open file limit everything is not OK.



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