Issue #1603 - fixing NPE in WebSocketServerFactory init

This commit is contained in:
Joakim Erdfelt 2017-06-07 09:56:58 -07:00
parent 6a3c40e935
commit ab98caafbb
2 changed files with 87 additions and 12 deletions

View File

@ -141,23 +141,18 @@ public class WebSocketServerFactory extends ContainerLifeCycle implements WebSoc
private WebSocketServerFactory(ServletContext context, WebSocketPolicy policy, DecoratedObjectFactory objectFactory, Executor executor, ByteBufferPool bufferPool)
{
this.context = context;
this.defaultPolicy = policy;
this.objectFactory = objectFactory;
this.executor = executor;
handshakes.put(HandshakeRFC6455.VERSION, new HandshakeRFC6455());
addBean(scheduler);
addBean(bufferPool);
this.contextClassloader = Thread.currentThread().getContextClassLoader();
this.defaultPolicy = policy;
this.eventDriverFactory = new EventDriverFactory(this);
this.bufferPool = bufferPool;
this.creator = this;
this.contextClassloader = Thread.currentThread().getContextClassLoader();
this.eventDriverFactory = new EventDriverFactory(this);
this.extensionFactory = new WebSocketExtensionFactory(this);
this.handshakes.put(HandshakeRFC6455.VERSION, new HandshakeRFC6455());
this.sessionFactories.add(new WebSocketSessionFactory(this));
this.creator = this;
// Create supportedVersions
List<Integer> versions = new ArrayList<>();
@ -176,6 +171,9 @@ public class WebSocketServerFactory extends ContainerLifeCycle implements WebSoc
rv.append(v);
}
supportedVersions = rv.toString();
addBean(scheduler);
addBean(bufferPool);
}
public void addSessionListener(WebSocketSession.Listener listener)

View File

@ -0,0 +1,77 @@
//
// ========================================================================
// Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.websocket.server;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.junit.Assert.assertThat;
import java.util.concurrent.Executor;
import org.eclipse.jetty.io.ByteBufferPool;
import org.eclipse.jetty.io.MappedByteBufferPool;
import org.eclipse.jetty.util.component.AbstractLifeCycle;
import org.eclipse.jetty.util.component.ContainerLifeCycle;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.util.log.StdErrLog;
import org.eclipse.jetty.util.thread.QueuedThreadPool;
import org.eclipse.jetty.websocket.api.WebSocketBehavior;
import org.eclipse.jetty.websocket.api.WebSocketPolicy;
import org.junit.Test;
public class WebSocketServerFactoryTest
{
private int setLogLevel(Class<?> clazz, int newLevel)
{
int oldLevel = StdErrLog.LEVEL_DEFAULT;
Logger logger = Log.getLogger(clazz);
if (logger instanceof StdErrLog)
{
StdErrLog stdErrLog = (StdErrLog) logger;
oldLevel = stdErrLog.getLevel();
stdErrLog.setLevel(newLevel);
}
return oldLevel;
}
@Test
public void testInit()
{
WebSocketPolicy policy = new WebSocketPolicy(WebSocketBehavior.SERVER);
Executor executor = new QueuedThreadPool();
ByteBufferPool bufferPool = new MappedByteBufferPool();
int wsFactoryLevel = setLogLevel(WebSocketServerFactory.class, StdErrLog.LEVEL_DEBUG);
int abstractLifecycleLevel = setLogLevel(AbstractLifeCycle.class, StdErrLog.LEVEL_DEBUG);
int containerLifecycleLevel = setLogLevel(ContainerLifeCycle.class, StdErrLog.LEVEL_DEBUG);
try
{
WebSocketServerFactory wsFactory = new WebSocketServerFactory(policy, executor, bufferPool);
// The above init caused NPE due to bad constructor initialization order with debug active
assertThat("wsFactory.toString()", wsFactory.toString(), notNullValue());
}
finally
{
setLogLevel(WebSocketServerFactory.class, wsFactoryLevel);
setLogLevel(AbstractLifeCycle.class, abstractLifecycleLevel);
setLogLevel(ContainerLifeCycle.class, containerLifecycleLevel);
}
}
}