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/*
* 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 4138056
* @summary synopsis: Activating objects from an Activatable constructor causes deadlock
* @author Ann Wollrath
*
* @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 RMIDSelectorProvider ActivationLibrary ActivateMe NestedActivate_Stub
* @run main/othervm/policy=security.policy/timeout=240 NestedActivate
*/
import java.io.*;
import java.rmi.*;
import java.rmi.activation.*;
import java.rmi.server.*;
import java.rmi.registry.*;
import java.util.Properties;
public class NestedActivate
extends Activatable
implements ActivateMe, Runnable
{
private static Exception exception = null;
private static boolean done = false;
private ActivateMe obj = null;
public NestedActivate(ActivationID id, MarshalledObject mobj)
throws Exception
{
super(id, 0);
System.err.println("NestedActivate<>: activating object");
if (mobj != null) {
System.err.println("NestedActivate<>: ping obj to activate");
obj = (ActivateMe) mobj.get();
obj.ping();
System.err.println("NestedActivate<>: ping completed");
}
}
public void ping()
{}
public void unregister() throws Exception {
super.unregister(super.getID());
}
/**
* Spawns a thread to deactivate the object.
*/
public void shutdown() throws Exception
{
(new Thread(this,"NestedActivate")).start();
if (obj != null)
obj.shutdown();
}
/**
* 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) {
System.err.println("\nRegression test for bug 4138056\n");
TestLibrary.suggestSecurityManager("java.rmi.RMISecurityManager");
RMID rmid = null;
try {
RMID.removeLog();
rmid = RMID.createRMIDOnEphemeralPort();
rmid.start();
/* Cause activation groups to have a security policy that will
* allow security managers to be downloaded and installed
*/
final 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);
Thread t = new Thread() {
public void run () {
try {
System.err.println("Creating group descriptor");
ActivationGroupDesc groupDesc =
new ActivationGroupDesc(p, null);
ActivationGroupID groupID =
ActivationGroup.getSystem().
registerGroup(groupDesc);
System.err.println("Creating descriptor: object 1");
ActivationDesc desc1 =
new ActivationDesc(groupID, "NestedActivate",
null, null);
System.err.println("Registering descriptor: object 1");
ActivateMe obj1 =
(ActivateMe) Activatable.register(desc1);
System.err.println("Creating descriptor: object 2");
ActivationDesc desc2 =
new ActivationDesc(groupID, "NestedActivate", null,
new MarshalledObject(obj1));
System.err.println("Registering descriptor: object 2");
ActivateMe obj2 =
(ActivateMe) Activatable.register(desc2);
System.err.println("Activating object 2");
obj2.ping();
System.err.println("Deactivating objects");
obj2.shutdown();
} catch (Exception e) {
exception = e;
}
done = true;
}
};
t.start();
t.join(35000);
if (exception != null) {
TestLibrary.bomb("test failed", exception);
} else if (!done) {
TestLibrary.bomb("test failed: not completed before timeout", null);
} else {
System.err.println("Test passed");
}
} catch (Exception e) {
TestLibrary.bomb("test failed", e);
} finally {
rmid.cleanup();
}
}
}
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