--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/DatagramSocket/PortUnreachable.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 4361783
+ * @key intermittent
+ * @summary  Test to see if ICMP Port Unreachable on non-connected
+ *           DatagramSocket causes a SocketException "socket closed"
+ *           exception on Windows 2000.
+ */
+import java.net.InetAddress;
+import java.net.DatagramSocket;
+import java.net.DatagramPacket;
+
+public class PortUnreachable {
+
+    DatagramSocket clientSock;
+    int serverPort;
+    int clientPort;
+
+    public void serverSend() {
+        try {
+            InetAddress addr = InetAddress.getLocalHost();
+            Thread.currentThread().sleep(1000);
+            // send a delayed packet which should mean a delayed icmp
+            // port unreachable
+            byte b[] = "A late msg".getBytes();
+            DatagramPacket packet = new DatagramPacket(b, b.length, addr,
+                                                       serverPort);
+            clientSock.send(packet);
+
+            DatagramSocket sock = new DatagramSocket(serverPort);
+            b = "Greetings from the server".getBytes();
+            packet = new DatagramPacket(b, b.length, addr, clientPort);
+            sock.send(packet);
+            sock.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    PortUnreachable() throws Exception {
+
+        clientSock = new DatagramSocket();
+        clientPort = clientSock.getLocalPort();
+
+    }
+
+    void execute () throws Exception{
+
+        // pick a port for the server
+        DatagramSocket sock2 = new DatagramSocket();
+        serverPort = sock2.getLocalPort();
+
+        // send a burst of packets to the unbound port - we should get back
+        // icmp port unreachable messages
+        //
+        InetAddress addr = InetAddress.getLocalHost();
+        byte b[] = "Hello me".getBytes();
+        DatagramPacket packet = new DatagramPacket(b, b.length, addr,
+                                                   serverPort);
+        //close just before sending
+        sock2.close();
+        for (int i=0; i<100; i++)
+            clientSock.send(packet);
+
+        serverSend();
+        // try to receive
+        b = new byte[25];
+        packet = new DatagramPacket(b, b.length, addr, serverPort);
+        clientSock.setSoTimeout(10000);
+        clientSock.receive(packet);
+        System.out.println("client received data packet " + new String(packet.getData()));
+
+        // done
+        clientSock.close();
+    }
+
+    public static void main(String[] args) throws Exception {
+        PortUnreachable test = new PortUnreachable();
+        test.execute();
+    }
+
+}