--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/net/www/http/KeepAliveCache/KeepAliveTimerThread.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4701299
+ * @summary Keep-Alive-Timer thread management in KeepAliveCache causes memory leak
+ */
+import java.net.*;
+import java.io.*;
+
+public class KeepAliveTimerThread {
+ static class Fetcher implements Runnable {
+ String url;
+
+ Fetcher(String url) {
+ this.url = url;
+ }
+
+ public void run() {
+ try {
+ InputStream in =
+ (new URL(url)).openConnection().getInputStream();
+ byte b[] = new byte[128];
+ int n;
+ do {
+ n = in.read(b);
+ } while (n > 0);
+ in.close();
+ } catch (Exception x) {
+ x.printStackTrace();
+ }
+ }
+ }
+
+ static class Server extends Thread {
+ ServerSocket server;
+ Server (ServerSocket server) {
+ super ();
+ this.server = server;
+ }
+ void readAll (Socket s) throws IOException {
+ byte[] buf = new byte [128];
+ InputStream is = s.getInputStream ();
+ s.setSoTimeout(1000);
+ try {
+ while (is.read(buf) > 0) ;
+ } catch (SocketTimeoutException x) { }
+ }
+ /*
+ * Our "http" server to return a 404
+ */
+ public void run() {
+ try {
+ Socket s = server.accept();
+ readAll(s);
+
+ PrintStream out = new PrintStream(
+ new BufferedOutputStream(
+ s.getOutputStream() ));
+
+ /* send the header */
+ out.print("HTTP/1.1 200 OK\r\n");
+ out.print("Content-Type: text/html; charset=iso-8859-1\r\n");
+ out.print("Content-Length: 78\r\n");
+ out.print("\r\n");
+ out.print("<HTML>");
+ out.print("<HEAD><TITLE>File Content</TITLE></HEAD>");
+ out.print("<BODY>A dummy body.</BODY>");
+ out.print("</HTML>");
+ out.flush();
+
+ s.close();
+ server.close();
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+
+ public static void main(String args[]) throws Exception {
+ ServerSocket ss = new ServerSocket(0);
+ Server s = new Server (ss);
+ s.start();
+
+ String url = "http://127.0.0.1:"+ss.getLocalPort();
+
+ // start fetch in its own thread group
+ ThreadGroup grp = new ThreadGroup("MyGroup");
+
+ // http request in another thread group
+ Thread thr = new Thread(grp, new Fetcher(url));
+ thr.start();
+ thr.join();
+
+ // fetcher is done - the group should now be empty
+ if (grp.activeCount() > 0) {
+ throw new RuntimeException("Keep-alive thread started in wrong thread group");
+ }
+ }
+
+}