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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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*
* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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* 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
* @build TestLibrary RMID
* @build ActivateMe CheckActivateRef_Stub CheckActivateRef
* @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
*/
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 {
ActivationLibrary.rmidCleanup(rmid);
obj = null;
}
}
}