1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import javax.naming.InitialContext; 25 import javax.naming.Context; 26 27 public class HelloServer { 28 29 static final int MAX_RETRY = 10; 30 static final int ONE_SECOND = 1000; 31 32 public static void main(String[] args) { 33 int retryCount = 0; 34 while (retryCount < MAX_RETRY) { 35 try { 36 // Step 1: Instantiate the Hello servant 37 HelloImpl helloRef = new HelloImpl(); 38 39 // Step 2: Publish the reference in the Naming Service 40 // using JNDI API 41 Context initialNamingContext = new InitialContext(); 42 initialNamingContext.rebind("HelloService", helloRef); 43 44 System.out.println("Hello Server: Ready..."); 45 break; 46 } catch (Exception e) { 47 System.out.println("Server initialization problem: " + e); 48 e.printStackTrace(); 49 retryCount++; 50 try { 51 Thread.sleep(ONE_SECOND); 52 } catch (InterruptedException e1) { 53 e1.printStackTrace(); 54 } 55 } 56 } 57 } 58 }