Java Code Examples for java.net.ServerSocket#close()
The following examples show how to use
java.net.ServerSocket#close() .
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Example 1
Source File: MoviesHtmlUnitTest.java From tomee with Apache License 2.0 | 8 votes |
@BeforeClass public static void start() throws IOException { // get a random unused port to use for http requests ServerSocket server = new ServerSocket(0); port = server.getLocalPort(); server.close(); webApp = createWebApp(); Properties p = new Properties(); p.setProperty(EJBContainer.APP_NAME, "moviefun"); p.setProperty(EJBContainer.PROVIDER, "tomee-embedded"); // need web feature p.setProperty(EJBContainer.MODULES, webApp.getAbsolutePath()); p.setProperty(EmbeddedTomEEContainer.TOMEE_EJBCONTAINER_HTTP_PORT, String.valueOf(port)); container = EJBContainer.createEJBContainer(p); }
Example 2
Source File: NoLaunchOptionTest.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
public static void main(String[] args) throws Exception { // find a free port ServerSocket ss = new ServerSocket(0); int port = ss.getLocalPort(); ss.close(); String address = String.valueOf(port); String javaExe = System.getProperty("java.home") + java.io.File.separator + "bin" + java.io.File.separator + "java"; String targetClass = "NotAClass"; String cmds [] = {javaExe, "-agentlib:jdwp=transport=dt_socket,address=" + address + "," + "onthrow=java.lang.ClassNotFoundException,suspend=n", targetClass}; NoLaunchOptionTest myTest = new NoLaunchOptionTest(); String results [] = myTest.run(VMConnection.insertDebuggeeVMOptions(cmds)); if ((results[RETSTAT].equals("1")) && (results[STDERR].contains("ERROR:"))) { System.out.println("Test passed: status = 1 with warning messages " + "is expected and normal for this test"); } else { throw new Exception("Test failed: unspecified test failure"); } }
Example 3
Source File: NoLaunchOptionTest.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
public static void main(String[] args) throws Exception { // find a free port ServerSocket ss = new ServerSocket(0); int port = ss.getLocalPort(); ss.close(); String address = String.valueOf(port); String javaExe = System.getProperty("java.home") + java.io.File.separator + "bin" + java.io.File.separator + "java"; String targetClass = "NotAClass"; String cmds [] = {javaExe, "-agentlib:jdwp=transport=dt_socket,address=" + address + "," + "onthrow=java.lang.ClassNotFoundException,suspend=n", targetClass}; NoLaunchOptionTest myTest = new NoLaunchOptionTest(); String results [] = myTest.run(VMConnection.insertDebuggeeVMOptions(cmds)); if ((results[RETSTAT].equals("1")) && (results[STDERR].contains("ERROR:"))) { System.out.println("Test passed: status = 1 with warning messages " + "is expected and normal for this test"); } else { throw new Exception("Test failed: unspecified test failure"); } }
Example 4
Source File: AvailablePortJUnitTest.java From gemfirexd-oss with Apache License 2.0 | 6 votes |
public void testIsPortAvailable() throws IOException { ServerSocket socket = new ServerSocket(); int port = AvailablePort.getRandomAvailablePort(AvailablePort.SOCKET); socket.bind(new InetSocketAddress(InetAddressUtil.LOOPBACK, port)); try { Assert.assertFalse(AvailablePort.isPortAvailable(port, AvailablePort.SOCKET, InetAddress.getByName(InetAddressUtil.LOOPBACK_ADDRESS))); //Get local host will return the hostname for the server, so this should succeed, since we're bound to the loopback address only. Assert.assertTrue(AvailablePort.isPortAvailable(port, AvailablePort.SOCKET, InetAddress.getLocalHost())); //This should test all interfaces. Assert.assertFalse(AvailablePort.isPortAvailable(port, AvailablePort.SOCKET)); } finally { socket.close(); } }
Example 5
Source File: CCKafkaTestUtils.java From cruise-control with BSD 2-Clause "Simplified" License | 6 votes |
/** * Find a local port. * @return A local port to use. */ public static int findLocalPort() { int port = -1; while (port < 0) { try { ServerSocket socket = new ServerSocket(0); socket.setReuseAddress(true); port = socket.getLocalPort(); try { socket.close(); } catch (IOException e) { // Ignore IOException on close() } } catch (IOException ie) { // let it go. } } return port; }
Example 6
Source File: Application.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
public static void main(String args[]) throws Exception { // bind to a random port if (args.length < 1) { System.err.println("First argument should be path to output file."); } String outFileName = args[0]; ServerSocket ss = new ServerSocket(0); int port = ss.getLocalPort(); int pid = ProcessTools.getProcessId(); System.out.println("shutdownPort=" + port); System.out.println("pid=" + pid); System.out.flush(); try (PrintWriter writer = new PrintWriter(outFileName)) { writer.println("shutdownPort=" + port); writer.println("pid=" + pid); writer.println("done"); writer.flush(); } // wait for test harness to connect Socket s = ss.accept(); s.close(); ss.close(); }
Example 7
Source File: ServerSocketWrapper.java From baratine with GNU General Public License v2.0 | 5 votes |
/** * Closes the underlying socket. */ public void close() throws IOException { ServerSocket ss = _ss; _ss = ss; if (ss != null) { try { ss.close(); } catch (Exception e) { } } }
Example 8
Source File: Utils.java From grpc-java with Apache License 2.0 | 5 votes |
/** * Picks a port that is not used right at this moment. * Warning: Not thread safe. May see "BindException: Address already in use: bind" if using the * returned port to create a new server socket when other threads/processes are concurrently * creating new sockets without a specific port. */ public static int pickUnusedPort() { try { ServerSocket serverSocket = new ServerSocket(0); int port = serverSocket.getLocalPort(); serverSocket.close(); return port; } catch (IOException e) { throw new RuntimeException(e); } }
Example 9
Source File: JedisIntegrationTest.java From tutorials with MIT License | 5 votes |
@BeforeClass public static void setUp() throws IOException { // Take an available port ServerSocket s = new ServerSocket(0); port = s.getLocalPort(); s.close(); redisServer = new RedisServer(port); redisServer.start(); // Configure JEDIS jedis = new Jedis("localhost", port); }
Example 10
Source File: AcceptCauseFileDescriptorLeak.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
public static void main(String[] args) throws Exception { final ServerSocket ss = new ServerSocket(0) { public Socket accept() throws IOException { Socket s = new Socket() { }; s.setSoTimeout(10000); implAccept(s); return s; } }; Thread t = new Thread(new Runnable() { public void run() { try { for (int i = 0; i < REPS; i++) { (new Socket("localhost", ss.getLocalPort())).close(); } } catch (IOException e) { e.printStackTrace(); } } }); t.start(); for (int i = 0; i < REPS; i++) { ss.accept().close(); } ss.close(); t.join(); }
Example 11
Source File: BootstrapToolsTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests that the {@link ActorSystem} fails with an expressive exception if it cannot be * instantiated due to an occupied port. */ @Test public void testActorSystemInstantiationFailureWhenPortOccupied() throws Exception { final ServerSocket portOccupier = new ServerSocket(0, 10, InetAddress.getByName("0.0.0.0")); try { final int port = portOccupier.getLocalPort(); BootstrapTools.startActorSystem(new Configuration(), "0.0.0.0", port, LOG); fail("Expected to fail with a BindException"); } catch (Exception e) { assertThat(ExceptionUtils.findThrowable(e, BindException.class).isPresent(), is(true)); } finally { portOccupier.close(); } }
Example 12
Source File: NetUtil.java From vjtools with Apache License 2.0 | 5 votes |
/** * 测试端口是否空闲可用, from Spring SocketUtils */ public static boolean isPortAvailable(int port) { try { ServerSocket serverSocket = ServerSocketFactory.getDefault().createServerSocket(port, 1, InetAddress.getByName("localhost")); serverSocket.close(); return true; } catch (Exception ex) { // NOSONAR return false; } }
Example 13
Source File: SocketTest.java From logging-log4j2 with Apache License 2.0 | 5 votes |
private static void closeQuietly(final ServerSocket socket) { if (null != socket) { try { socket.close(); } catch (final IOException ignore) { } } }
Example 14
Source File: SocketUtilsTest.java From JavaLinuxNet with Apache License 2.0 | 5 votes |
@Test public void testServerSocketFd() throws Exception { //create Server socket and get access to fd ServerSocket s= ServerSocketFactory.getDefault().createServerSocket(); int fd=SocketUtils.getFd(s); log.info("fd server socket: {}",fd); Assert.assertTrue("FD must be > 0", fd > 0); s.close(); }
Example 15
Source File: InvalidLdapFilters.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
void doServerSide() throws Exception { ServerSocket serverSock = new ServerSocket(serverPort); // signal client, it's ready to accecpt connection serverPort = serverSock.getLocalPort(); serverReady = true; // accept a connection Socket socket = serverSock.accept(); System.out.println("Server: Connection accepted"); InputStream is = socket.getInputStream(); OutputStream os = socket.getOutputStream(); // read the bindRequest while (is.read() != -1) { // ignore is.skip(is.available()); break; } byte[] bindResponse = {0x30, 0x0C, 0x02, 0x01, 0x01, 0x61, 0x07, 0x0A, 0x01, 0x00, 0x04, 0x00, 0x04, 0x00}; // write bindResponse os.write(bindResponse); os.flush(); // ignore any more request. while (is.read() != -1) { // ignore is.skip(is.available()); } is.close(); os.close(); socket.close(); serverSock.close(); }
Example 16
Source File: ExclusiveBind.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
public static void main(String args[]) throws Exception { // find a free port ServerSocket ss = new ServerSocket(0); int port = ss.getLocalPort(); ss.close(); String address = String.valueOf(port); // launch the first debuggee ProcessBuilder process1 = prepareLauncher(address, true, "HelloWorld"); // start the debuggee and wait for the "ready" message Process p = ProcessTools.startProcess( "process1", process1, line -> line.equals("Listening for transport dt_socket at address: " + address), Math.round(5000 * Utils.TIMEOUT_FACTOR), TimeUnit.MILLISECONDS ); // launch a second debuggee with the same address ProcessBuilder process2 = prepareLauncher(address, false, "HelloWorld"); // get exit status from second debuggee int exitCode = ProcessTools.startProcess("process2", process2).waitFor(); // clean-up - attach to first debuggee and resume it AttachingConnector conn = (AttachingConnector)findConnector("com.sun.jdi.SocketAttach"); Map conn_args = conn.defaultArguments(); Connector.IntegerArgument port_arg = (Connector.IntegerArgument)conn_args.get("port"); port_arg.setValue(port); VirtualMachine vm = conn.attach(conn_args); vm.resume(); // if the second debuggee ran to completion then we've got a problem if (exitCode == 0) { throw new RuntimeException("Test failed - second debuggee didn't fail to bind"); } else { System.out.println("Test passed - second debuggee correctly failed to bind"); } }
Example 17
Source File: RabbitTestSupport.java From spring-cloud-stream-binder-rabbit with Apache License 2.0 | 4 votes |
public RabbitProxy() throws IOException { ServerSocket serverSocket = ServerSocketFactory.getDefault() .createServerSocket(0); this.port = serverSocket.getLocalPort(); serverSocket.close(); }
Example 18
Source File: AuthenticatorTestCase.java From big-c with Apache License 2.0 | 4 votes |
protected int getLocalPort() throws Exception { ServerSocket ss = new ServerSocket(0); int ret = ss.getLocalPort(); ss.close(); return ret; }
Example 19
Source File: IsKeepingAlive.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
public static void main(String[] args) throws Exception { ServerSocket ss = new ServerSocket(0); SecurityManager security = System.getSecurityManager(); if (security == null) { security = new SecurityManager(); System.setSecurityManager(security); } URL url1 = new URL("http://localhost:" + ss.getLocalPort()); HttpClient c1 = HttpClient.New(url1); boolean keepAlive = c1.isKeepingAlive(); ss.close(); }
Example 20
Source File: IOUtils.java From AndroidBase with Apache License 2.0 | 3 votes |
/** * Unconditionally close a <code>ServerSocket</code>. * <p/> * Equivalent to {@link ServerSocket#close()}, except any exceptions will be ignored. * This is typically used in finally blocks. * <p/> * Example code: * <pre> * ServerSocket socket = null; * try { * socket = new ServerSocket(); * // process socket * socket.close(); * } catch (Exception e) { * // error handling * } finally { * IOUtils.closeQuietly(socket); * } * </pre> * * @param sock the ServerSocket to close, may be null or already closed * @since 2.2 */ public static void closeQuietly(ServerSocket sock) { if (sock != null) { try { sock.close(); } catch (IOException ioe) { // ignored } } }