1 /* 2 * Copyright (c) 1999, 2014, 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 /* @test 25 * @bug 4183169 8032050 26 * @summary Minor problem with the way ReliableLog handles IOExceptions. 27 * 28 * @author Laird Dornin; code borrowed from Ann Wollrath 29 * 30 * @library ../../../testlibrary 31 * @build TestLibrary RMID 32 * TestSecurityManager RegisteringActivatable ShutdownGracefully_Stub 33 * @run main/othervm/policy=security.policy/timeout=700 ShutdownGracefully 34 */ 35 36 import java.rmi.activation.*; 37 import java.rmi.*; 38 import java.util.Properties; 39 import java.util.concurrent.TimeoutException; 40 41 /** 42 * The test creates an rmid with a special security manager. After 43 * rmid makes two registrations (which is greater than rmid's 44 * snapshotInterval) the security manager stops allowing rmid to write 45 * to update and snapshot log files in rmid's log directory. The Test 46 * registers an Activatable object twice with different group ids. 47 * The second registration will cause rmid to have to write to a 48 * LogFile (it causes a snapshot) and the security manager will not 49 * allow the file write to happen. The test makes sure that rmid 50 * shuts down in a graceful manner without any explicit request to do 51 * so. The test will not exit for 400 seconds if rmid does not exit 52 * (after that time, the test will fail). 53 */ 54 public class ShutdownGracefully 55 extends Activatable implements RegisteringActivatable 56 { 57 private static RegisteringActivatable registering = null; 58 59 private final static long SHUTDOWN_TIMEOUT = 400 * 1000; 60 61 public static void main(String args[]) { 62 63 RMID rmid = null; 64 65 System.err.println("\nRegression test for bug/rfe 4183169\n"); 66 67 try { 68 TestLibrary.suggestSecurityManager( 69 "java.rmi.RMISecurityManager"); 70 71 // start an rmid. 72 RMID.removeLog(); 73 rmid = RMID.createRMID(); 74 75 // rmid needs to run with a security manager that 76 // simulates a log problem; rmid should also snapshot 77 // quickly. 78 rmid.addOptions(new String[] { 79 "-Djava.security.manager=TestSecurityManager", 80 "-Dsun.rmi.activation.snapshotInterval=1"}); 81 82 // rmid.addArguments(new String[] { 83 // "-C-Djava.rmi.server.logCalls=true"}); 84 85 rmid.start(); 86 87 // Ensure that activation groups run with the correct 88 // security manager. 89 // 90 Properties p = new Properties(); 91 p.put("java.security.policy", 92 TestParams.defaultGroupPolicy); 93 p.put("java.security.manager", 94 "java.lang.SecurityManager"); 95 96 System.err.println("activation group will be created " + 97 "in a new VM"); 98 ActivationGroupDesc groupDesc = 99 new ActivationGroupDesc(p, null); 100 ActivationSystem system = ActivationGroup.getSystem(); 101 ActivationGroupID groupID = system.registerGroup(groupDesc); 102 103 System.err.println("registering activatable"); 104 ActivationDesc desc = new ActivationDesc 105 (groupID, "ShutdownGracefully", null, null); 106 registering = (RegisteringActivatable) 107 Activatable.register(desc); 108 109 System.err.println("activate and deactivate object " + 110 "via method call"); 111 registering.shutdown(); 112 113 /* 114 * the security manager rmid is running with will stop 115 * rmid from writing to its log files; in 1.2.x this would 116 * have caused rmid to have thrown a runtime exception and 117 * continue running in an unstable state. With the fix 118 * for 4183169, rmid should shutdown gracefully instead. 119 */ 120 121 /* 122 * register another activatable with a new group id; rmid 123 * should not recover from this... I use two 124 * registrations to more closely simulate the environment 125 * in which the bug was found. In java versions with out 126 * the appropriate bug fix, rmid would hide a 127 * NullPointerException in this circumstance. 128 */ 129 p.put("dummyname", "dummyvalue"); 130 groupDesc = new ActivationGroupDesc(p, null); 131 ActivationGroupID secondGroupID = 132 system.registerGroup(groupDesc); 133 desc = new ActivationDesc(secondGroupID, 134 "ShutdownGracefully", null, null); 135 136 /* 137 * registration request is expected to be failed. succeeded case 138 * should be recorded. And raise error after clean up rmid. 139 */ 140 boolean isRegisterSucceed = false; 141 try { 142 registering = (RegisteringActivatable) 143 Activatable.register(desc); 144 145 isRegisterSucceed = true; 146 } catch (ActivationException e) { 147 System.err.println("received exception from registration " + 148 "call that should have failed..."); 149 } 150 int exitCode = rmid.waitFor(SHUTDOWN_TIMEOUT); 151 System.err.println("RMID has exited gracefully with exitcode:" + exitCode); 152 rmid = null; 153 if(isRegisterSucceed) 154 TestLibrary.bomb("\nfailure: The registration request succeeded unexpectedly"); 155 } catch (TimeoutException e) { 156 TestLibrary.bomb("\nfailure: RMID hasn't exited gracefuuly in expected time"); 157 } catch (Exception e) { 158 TestLibrary.bomb("\nfailure: unexpected exception ", e); 159 } finally { 160 if (rmid != null) 161 rmid.destroy(); 162 } 163 } 164 165 /** 166 * implementation of RegisteringActivatable 167 */ 168 public ShutdownGracefully 169 (ActivationID id, MarshalledObject mo) throws RemoteException 170 { 171 // register/export anonymously 172 super(id, 0); 173 } 174 175 /** 176 * Deactivates the object. We need to unexport forcibly because this call 177 * in-progress on this object, which is the same object that we are trying 178 * to deactivate. 179 */ 180 public void shutdown() throws Exception { 181 Activatable.unexportObject(this, true); 182 ActivationLibrary.deactivate(this, getID()); 183 } 184 }