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 main(String args[])61 public static void main(String args[]) { 62 63 RMID rmid = null; 64 65 // Save exception if there is a exception or expected behavior 66 Exception exception = null; 67 System.err.println("\nRegression test for bug/rfe 4183169\n"); 68 69 try { 70 TestLibrary.suggestSecurityManager( 71 "java.rmi.RMISecurityManager"); 72 73 // start an rmid. 74 RMID.removeLog(); 75 rmid = RMID.createRMID(); 76 77 // rmid needs to run with a security manager that 78 // simulates a log problem; rmid should also snapshot 79 // quickly. 80 rmid.addOptions(new String[] { 81 "-Djava.security.manager=TestSecurityManager", 82 "-Dsun.rmi.activation.snapshotInterval=1"}); 83 84 // rmid.addArguments(new String[] { 85 // "-C-Djava.rmi.server.logCalls=true"}); 86 87 rmid.start(); 88 89 // Ensure that activation groups run with the correct 90 // security manager. 91 // 92 Properties p = new Properties(); 93 p.put("java.security.policy", 94 TestParams.defaultGroupPolicy); 95 p.put("java.security.manager", 96 "java.lang.SecurityManager"); 97 98 System.err.println("activation group will be created " + 99 "in a new VM"); 100 ActivationGroupDesc groupDesc = 101 new ActivationGroupDesc(p, null); 102 ActivationSystem system = ActivationGroup.getSystem(); 103 ActivationGroupID groupID = system.registerGroup(groupDesc); 104 105 System.err.println("registering activatable"); 106 ActivationDesc desc = new ActivationDesc 107 (groupID, "ShutdownGracefully", null, null); 108 registering = (RegisteringActivatable) 109 Activatable.register(desc); 110 111 System.err.println("activate and deactivate object " + 112 "via method call"); 113 registering.shutdown(); 114 115 /* 116 * the security manager rmid is running with will stop 117 * rmid from writing to its log files; in 1.2.x this would 118 * have caused rmid to have thrown a runtime exception and 119 * continue running in an unstable state. With the fix 120 * for 4183169, rmid should shutdown gracefully instead. 121 */ 122 123 /* 124 * register another activatable with a new group id; rmid 125 * should not recover from this... I use two 126 * registrations to more closely simulate the environment 127 * in which the bug was found. In java versions with out 128 * the appropriate bug fix, rmid would hide a 129 * NullPointerException in this circumstance. 130 */ 131 p.put("dummyname", "dummyvalue"); 132 groupDesc = new ActivationGroupDesc(p, null); 133 ActivationGroupID secondGroupID = 134 system.registerGroup(groupDesc); 135 desc = new ActivationDesc(secondGroupID, 136 "ShutdownGracefully", null, null); 137 138 /* 139 * registration request is expected to be failed. succeeded case 140 * should be recorded. And raise error after clean up rmid. 141 */ 142 try { 143 registering = (RegisteringActivatable) 144 Activatable.register(desc); 145 System.err.println("The registration request succeeded unexpectedly"); 146 exception = new RuntimeException("The registration request succeeded unexpectedly"); 147 } catch (ActivationException e) { 148 System.err.println("received exception from registration " + 149 "call that should have failed..."); 150 // Need wait rmid process terminates. 151 try { 152 int exitCode = rmid.waitFor(SHUTDOWN_TIMEOUT); 153 System.err.println("RMID has exited gracefully with exitcode:" + exitCode); 154 rmid = null; 155 } catch (TimeoutException te) { 156 System.err.println("RMID process has not exited in given time"); 157 exception = te; 158 } 159 } 160 } catch (Exception e) { 161 System.err.println("Exception thrown:" + e); 162 exception = e; 163 } finally { 164 if (rmid != null) 165 rmid.destroy(); 166 } 167 if (exception != null) 168 TestLibrary.bomb("\nexception thrown in test: ", exception); 169 } 170 171 /** 172 * implementation of RegisteringActivatable 173 */ ShutdownGracefully(ActivationID id, MarshalledObject mo)174 public ShutdownGracefully 175 (ActivationID id, MarshalledObject mo) throws RemoteException 176 { 177 // register/export anonymously 178 super(id, 0); 179 } 180 181 /** 182 * Deactivates the object. We need to unexport forcibly because this call 183 * in-progress on this object, which is the same object that we are trying 184 * to deactivate. 185 */ shutdown()186 public void shutdown() throws Exception { 187 Activatable.unexportObject(this, true); 188 ActivationLibrary.deactivate(this, getID()); 189 } 190 } 191