J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-1999 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* @test |
| 25 | * @bug 4105080 |
| 26 | * @summary Activation retry during a remote method call to an activatable |
| 27 | * object can cause infinite recursion in some situations. The |
| 28 | * RemoteRef contained in the ActivatableRef should never be |
| 29 | * an ActivatableRef, but another type. |
| 30 | * (Needs /othervm to evade JavaTest security manager --aecolley) |
| 31 | * @author Ann Wollrath |
| 32 | * |
| 33 | * @bug 4164971 |
| 34 | * @summary allow non-public activatable class and/or constructor |
| 35 | * Main test class hasa non-public constructor to ensure |
| 36 | * functionality is in place |
| 37 | * |
| 38 | * @library ../../../testlibrary |
| 39 | * @build TestLibrary RMID |
| 40 | * @build ActivateMe CheckActivateRef_Stub CheckActivateRef |
| 41 | * @run main/othervm/policy=security.policy/timeout=240 -Djava.rmi.server.ignoreStubClasses=true CheckActivateRef |
| 42 | * @run main/othervm/policy=security.policy/timeout=240 -Djava.rmi.server.ignoreStubClasses=false CheckActivateRef |
| 43 | */ |
| 44 | |
| 45 | import java.io.*; |
| 46 | import java.rmi.*; |
| 47 | import java.rmi.server.*; |
| 48 | import java.rmi.activation.*; |
| 49 | import sun.rmi.server.ActivatableRef; |
| 50 | import java.lang.reflect.*; |
| 51 | import java.util.Properties; |
| 52 | |
| 53 | public class CheckActivateRef |
| 54 | extends Activatable |
| 55 | implements ActivateMe, Runnable |
| 56 | { |
| 57 | |
| 58 | private CheckActivateRef(ActivationID id, MarshalledObject obj) |
| 59 | throws ActivationException, RemoteException |
| 60 | { |
| 61 | super(id, 0); |
| 62 | } |
| 63 | |
| 64 | public void ping() |
| 65 | {} |
| 66 | |
| 67 | /** |
| 68 | * Spawns a thread to deactivate the object. |
| 69 | */ |
| 70 | public void shutdown() throws Exception |
| 71 | { |
| 72 | (new Thread(this,"CheckActivateRef")).start(); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Thread to deactivate object. First attempts to make object |
| 77 | * inactive (via the inactive method). If that fails (the |
| 78 | * object may still have pending/executing calls), then |
| 79 | * unexport the object forcibly. |
| 80 | */ |
| 81 | public void run() { |
| 82 | ActivationLibrary.deactivate(this, getID()); |
| 83 | } |
| 84 | |
| 85 | public static void main(String[] args) { |
| 86 | /* |
| 87 | * The following line is required with the JDK 1.2 VM so that the |
| 88 | * VM can exit gracefully when this test completes. Otherwise, the |
| 89 | * conservative garbage collector will find a handle to the server |
| 90 | * object on the native stack and not clear the weak reference to |
| 91 | * it in the RMI runtime's object table. |
| 92 | */ |
| 93 | Object dummy = new Object(); |
| 94 | RMID rmid = null; |
| 95 | ActivateMe obj; |
| 96 | |
| 97 | // test should tolerate certain types of failures |
| 98 | int failures = 0; |
| 99 | int i = 0; |
| 100 | |
| 101 | System.err.println("\nRegression test for bug 4105080\n"); |
| 102 | System.err.println("java.security.policy = " + |
| 103 | System.getProperty("java.security.policy", |
| 104 | "no policy")); |
| 105 | |
| 106 | |
| 107 | String propValue = |
| 108 | System.getProperty("java.rmi.server.useDynamicProxies", "false"); |
| 109 | boolean useDynamicProxies = Boolean.parseBoolean(propValue); |
| 110 | |
| 111 | CheckActivateRef server; |
| 112 | try { |
| 113 | TestLibrary.suggestSecurityManager(TestParams.defaultSecurityManager); |
| 114 | |
| 115 | // start an rmid. |
| 116 | RMID.removeLog(); |
| 117 | rmid = RMID.createRMID(); |
| 118 | rmid.start(); |
| 119 | |
| 120 | /* Cause activation groups to have a security policy that will |
| 121 | * allow security managers to be downloaded and installed |
| 122 | */ |
| 123 | Properties p = new Properties(); |
| 124 | // this test must always set policies/managers in its |
| 125 | // activation groups |
| 126 | p.put("java.security.policy", |
| 127 | TestParams.defaultGroupPolicy); |
| 128 | p.put("java.security.manager", |
| 129 | TestParams.defaultSecurityManager); |
| 130 | p.put("java.rmi.server.useDynamicProxies", propValue); |
| 131 | |
| 132 | /* |
| 133 | * Activate an object by registering its object |
| 134 | * descriptor and invoking a method on the |
| 135 | * stub returned from the register call. |
| 136 | */ |
| 137 | System.err.println("Create activation group in this VM"); |
| 138 | ActivationGroupDesc groupDesc = |
| 139 | new ActivationGroupDesc(p, null); |
| 140 | ActivationSystem system = ActivationGroup.getSystem(); |
| 141 | ActivationGroupID groupID = system.registerGroup(groupDesc); |
| 142 | ActivationGroup.createGroup(groupID, groupDesc, 0); |
| 143 | System.err.println("Creating descriptor"); |
| 144 | ActivationDesc desc = |
| 145 | new ActivationDesc("CheckActivateRef", null, null); |
| 146 | System.err.println("Registering descriptor"); |
| 147 | obj = (ActivateMe) Activatable.register(desc); |
| 148 | |
| 149 | System.err.println("proxy = " + obj); |
| 150 | |
| 151 | if (useDynamicProxies && !Proxy.isProxyClass(obj.getClass())) |
| 152 | { |
| 153 | throw new RuntimeException("proxy is not dynamic proxy"); |
| 154 | } |
| 155 | |
| 156 | /* |
| 157 | * Loop a bunch of times to force activator to |
| 158 | * spawn VMs (groups) |
| 159 | */ |
| 160 | try { |
| 161 | for (; i < 7; i++) { |
| 162 | |
| 163 | System.err.println("Activate object via method call"); |
| 164 | |
| 165 | /* |
| 166 | * Fix for 4277196: if we got an inactive group |
| 167 | * exception, it is likely that we accidentally |
| 168 | * invoked a method on an old activation |
| 169 | * group. Give some time for the group to go away |
| 170 | * and then retry the activation. |
| 171 | */ |
| 172 | try { |
| 173 | obj.ping(); |
| 174 | } catch (RemoteException e) { |
| 175 | Exception detail = (Exception) e.detail; |
| 176 | if ((detail != null) && |
| 177 | (detail instanceof ActivationException) && |
| 178 | (detail.getMessage().equals("group is inactive"))) |
| 179 | { |
| 180 | try { |
| 181 | Thread.sleep(5000); |
| 182 | } catch (InterruptedException ex) { |
| 183 | } |
| 184 | obj.ping(); |
| 185 | |
| 186 | } else { |
| 187 | throw e; |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | System.err.println("proxy = " + obj); |
| 192 | |
| 193 | /* |
| 194 | * Now that object is activated, check to make sure that |
| 195 | * the RemoteRef inside the stub's ActivatableRef |
| 196 | * is *not* an ActivatableRef. |
| 197 | */ |
| 198 | ActivatableRef aref; |
| 199 | if (obj instanceof RemoteStub) { |
| 200 | aref = (ActivatableRef) ((RemoteObject) obj).getRef(); |
| 201 | } else if (Proxy.isProxyClass(obj.getClass())) { |
| 202 | RemoteObjectInvocationHandler handler = |
| 203 | (RemoteObjectInvocationHandler) |
| 204 | Proxy.getInvocationHandler(obj); |
| 205 | aref = (ActivatableRef) handler.getRef(); |
| 206 | } else { |
| 207 | throw new RuntimeException("unknown proxy type"); |
| 208 | } |
| 209 | |
| 210 | final ActivatableRef ref = aref; |
| 211 | Field f = (Field) |
| 212 | java.security.AccessController.doPrivileged |
| 213 | (new java.security.PrivilegedExceptionAction() { |
| 214 | public Object run() throws Exception { |
| 215 | Field ff = ref.getClass().getDeclaredField("ref"); |
| 216 | ff.setAccessible(true); |
| 217 | return ff; |
| 218 | } |
| 219 | }); |
| 220 | Object insideRef = f.get(ref); |
| 221 | System.err.println("insideRef = " + insideRef); |
| 222 | if (insideRef instanceof ActivatableRef) { |
| 223 | TestLibrary.bomb("Embedded ref is an ActivatableRef"); |
| 224 | } else { |
| 225 | System.err.println("ActivatableRef's embedded ref type: " + |
| 226 | insideRef.getClass().getName()); |
| 227 | } |
| 228 | |
| 229 | /* |
| 230 | * Clean up object too. |
| 231 | */ |
| 232 | System.err.println("Deactivate object via method call"); |
| 233 | obj.shutdown(); |
| 234 | |
| 235 | try { |
| 236 | // give activation group time to go away |
| 237 | Thread.sleep(3000); |
| 238 | } catch (InterruptedException e) { |
| 239 | } |
| 240 | } |
| 241 | } catch (java.rmi.UnmarshalException ue) { |
| 242 | // account for test's activation race condition |
| 243 | if (ue.detail instanceof java.io.IOException) { |
| 244 | if ((failures ++) >= 3) { |
| 245 | throw ue; |
| 246 | } |
| 247 | } else { |
| 248 | throw ue; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | System.err.println("\nsuccess: CheckActivateRef test passed "); |
| 253 | |
| 254 | } catch (java.rmi.activation.ActivationException e) { |
| 255 | // test only needs to pass 3 times in 7 |
| 256 | if (i < 4) { |
| 257 | TestLibrary.bomb(e); |
| 258 | } |
| 259 | } catch (Exception e) { |
| 260 | if (e instanceof java.security.PrivilegedActionException) |
| 261 | e = ((java.security.PrivilegedActionException)e).getException(); |
| 262 | TestLibrary.bomb("\nfailure: unexpected exception " + |
| 263 | e.getClass().getName(), e); |
| 264 | |
| 265 | } finally { |
| 266 | ActivationLibrary.rmidCleanup(rmid); |
| 267 | obj = null; |
| 268 | } |
| 269 | } |
| 270 | } |