/* * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* @test * @bug 4105080 * @summary Activation retry during a remote method call to an activatable * object can cause infinite recursion in some situations. The * RemoteRef contained in the ActivatableRef should never be * an ActivatableRef, but another type. * (Needs /othervm to evade JavaTest security manager --aecolley) * @author Ann Wollrath * * @bug 4164971 * @summary allow non-public activatable class and/or constructor * Main test class hasa non-public constructor to ensure * functionality is in place * * @library ../../../testlibrary * @modules java.rmi/sun.rmi.registry * java.rmi/sun.rmi.server * java.rmi/sun.rmi.transport * java.rmi/sun.rmi.transport.tcp * java.base/sun.nio.ch * @build TestLibrary RMID ActivateMe CheckActivateRef_Stub * @run main/othervm/policy=security.policy/timeout=240 -Djava.rmi.server.ignoreStubClasses=true CheckActivateRef * @run main/othervm/policy=security.policy/timeout=240 -Djava.rmi.server.ignoreStubClasses=false CheckActivateRef * @key intermittent */ import java.io.*; import java.rmi.*; import java.rmi.server.*; import java.rmi.activation.*; import sun.rmi.server.ActivatableRef; import java.lang.reflect.*; import java.util.Properties; public class CheckActivateRef extends Activatable implements ActivateMe, Runnable { private CheckActivateRef(ActivationID id, MarshalledObject obj) throws ActivationException, RemoteException { super(id, 0); } public void ping() {} /** * Spawns a thread to deactivate the object. */ public void shutdown() throws Exception { (new Thread(this,"CheckActivateRef")).start(); } /** * Thread to deactivate object. First attempts to make object * inactive (via the inactive method). If that fails (the * object may still have pending/executing calls), then * unexport the object forcibly. */ public void run() { ActivationLibrary.deactivate(this, getID()); } public static void main(String[] args) { /* * The following line is required with the JDK 1.2 VM so that the * VM can exit gracefully when this test completes. Otherwise, the * conservative garbage collector will find a handle to the server * object on the native stack and not clear the weak reference to * it in the RMI runtime's object table. */ Object dummy = new Object(); RMID rmid = null; ActivateMe obj; // test should tolerate certain types of failures int failures = 0; int i = 0; System.err.println("\nRegression test for bug 4105080\n"); System.err.println("java.security.policy = " + System.getProperty("java.security.policy", "no policy")); String propValue = System.getProperty("java.rmi.server.useDynamicProxies", "false"); boolean useDynamicProxies = Boolean.parseBoolean(propValue); CheckActivateRef server; try { TestLibrary.suggestSecurityManager(TestParams.defaultSecurityManager); // start an rmid. RMID.removeLog(); rmid = RMID.createRMID(); rmid.start(); /* Cause activation groups to have a security policy that will * allow security managers to be downloaded and installed */ Properties p = new Properties(); // this test must always set policies/managers in its // activation groups p.put("java.security.policy", TestParams.defaultGroupPolicy); p.put("java.security.manager", TestParams.defaultSecurityManager); p.put("java.rmi.server.useDynamicProxies", propValue); /* * Activate an object by registering its object * descriptor and invoking a method on the * stub returned from the register call. */ System.err.println("Create activation group in this VM"); ActivationGroupDesc groupDesc = new ActivationGroupDesc(p, null); ActivationSystem system = ActivationGroup.getSystem(); ActivationGroupID groupID = system.registerGroup(groupDesc); ActivationGroup.createGroup(groupID, groupDesc, 0); System.err.println("Creating descriptor"); ActivationDesc desc = new ActivationDesc("CheckActivateRef", null, null); System.err.println("Registering descriptor"); obj = (ActivateMe) Activatable.register(desc); System.err.println("proxy = " + obj); if (useDynamicProxies && !Proxy.isProxyClass(obj.getClass())) { throw new RuntimeException("proxy is not dynamic proxy"); } /* * Loop a bunch of times to force activator to * spawn VMs (groups) */ try { for (; i < 7; i++) { System.err.println("Activate object via method call"); /* * Fix for 4277196: if we got an inactive group * exception, it is likely that we accidentally * invoked a method on an old activation * group. Give some time for the group to go away * and then retry the activation. */ try { obj.ping(); } catch (RemoteException e) { Exception detail = (Exception) e.detail; if ((detail != null) && (detail instanceof ActivationException) && (detail.getMessage().equals("group is inactive"))) { try { Thread.sleep(5000); } catch (InterruptedException ex) { } obj.ping(); } else { throw e; } } System.err.println("proxy = " + obj); /* * Now that object is activated, check to make sure that * the RemoteRef inside the stub's ActivatableRef * is *not* an ActivatableRef. */ ActivatableRef aref; if (obj instanceof RemoteStub) { aref = (ActivatableRef) ((RemoteObject) obj).getRef(); } else if (Proxy.isProxyClass(obj.getClass())) { RemoteObjectInvocationHandler handler = (RemoteObjectInvocationHandler) Proxy.getInvocationHandler(obj); aref = (ActivatableRef) handler.getRef(); } else { throw new RuntimeException("unknown proxy type"); } final ActivatableRef ref = aref; Field f = (Field) java.security.AccessController.doPrivileged (new java.security.PrivilegedExceptionAction() { public Object run() throws Exception { Field ff = ref.getClass().getDeclaredField("ref"); ff.setAccessible(true); return ff; } }); Object insideRef = f.get(ref); System.err.println("insideRef = " + insideRef); if (insideRef instanceof ActivatableRef) { TestLibrary.bomb("Embedded ref is an ActivatableRef"); } else { System.err.println("ActivatableRef's embedded ref type: " + insideRef.getClass().getName()); } /* * Clean up object too. */ System.err.println("Deactivate object via method call"); obj.shutdown(); try { // give activation group time to go away Thread.sleep(3000); } catch (InterruptedException e) { } } } catch (java.rmi.UnmarshalException ue) { // account for test's activation race condition if (ue.detail instanceof java.io.IOException) { if ((failures ++) >= 3) { throw ue; } } else { throw ue; } } System.err.println("\nsuccess: CheckActivateRef test passed "); } catch (java.rmi.activation.ActivationException e) { // test only needs to pass 3 times in 7 if (i < 4) { TestLibrary.bomb(e); } } catch (Exception e) { if (e instanceof java.security.PrivilegedActionException) e = ((java.security.PrivilegedActionException)e).getException(); TestLibrary.bomb("\nfailure: unexpected exception " + e.getClass().getName(), e); } finally { rmid.cleanup(); obj = null; } } }