/* * Copyright (c) 2001, 2023, 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 4322806 8189338 * @summary When an RMI (JRMP) connection is made to a TCP address that is * listening, so the connection is accepted, but the server never responds * to the initial JRMP handshake (nor does it terminate the connection), * the client should not hang forever; instead, it should throw an exception * after a reasonable timeout interval. The exception should be a * java.rmi.ConnectException or ConnectIOException, not a MarshalException, * because it should be clear that no partial call execution has occurred at * this point (because no data for the invocation has yet been written). * @author Peter Jones * * @modules java.rmi/sun.rmi.registry * java.rmi/sun.rmi.server * java.rmi/sun.rmi.transport * java.rmi/sun.rmi.transport.tcp * @run main/othervm/timeout=10 -Dsun.rmi.transport.tcp.handshakeTimeout=1 * HandshakeTimeout * @run main/othervm/timeout=10 -Dsun.rmi.transport.tcp.handshakeTimeout=1 * HandshakeTimeout SSL */ import javax.rmi.ssl.SslRMIClientSocketFactory; import java.net.InetSocketAddress; import java.net.ServerSocket; import java.rmi.ConnectException; import java.rmi.ConnectIOException; import java.rmi.registry.LocateRegistry; import java.rmi.registry.Registry; public class HandshakeTimeout { public static void main(String[] args) throws Exception { /* * Listen on port, but never process connections made to it. */ ServerSocket serverSocket = new ServerSocket(0); InetSocketAddress address = (InetSocketAddress) serverSocket.getLocalSocketAddress(); /* * Attempt RMI call to port in separate thread. */ Registry registry; if (args.length == 0) { registry = LocateRegistry.getRegistry(address.getPort()); } else { registry = LocateRegistry.getRegistry(address.getHostString(), address.getPort(), new SslRMIClientSocketFactory()); } try { registry.lookup("Dale Cooper"); throw new RuntimeException( "TEST FAILED: remote call succeeded??"); } catch (ConnectException | ConnectIOException e) { System.err.println("Got expected exception:"); e.printStackTrace(); System.err.println( "TEST PASSED: java.rmi.ConnectException or " + "ConnectIOException thrown"); } } }