Catch CancelledKeyException from Selector.select()
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@ -220,7 +220,7 @@ class NioDatagramWorker implements Runnable {
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}
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try {
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selector.select(500);
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SelectorUtil.select(selector);
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// 'wakenUp.compareAndSet(false, true)' is always evaluated
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// before calling 'selector.wakeup()' to reduce the wake-up
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@ -158,7 +158,7 @@ class NioWorker implements Runnable {
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}
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try {
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selector.select(500);
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SelectorUtil.select(selector);
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// 'wakenUp.compareAndSet(false, true)' is always evaluated
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// before calling 'selector.wakeup()' to reduce the wake-up
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@ -0,0 +1,44 @@
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/*
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* Copyright 2009 Red Hat, Inc.
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*
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* Red Hat licenses this file to you under the Apache License, version 2.0
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* (the "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package org.jboss.netty.channel.socket.nio;
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import java.io.IOException;
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import java.nio.channels.CancelledKeyException;
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import java.nio.channels.Selector;
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import org.jboss.netty.logging.InternalLogger;
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import org.jboss.netty.logging.InternalLoggerFactory;
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/**
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* @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
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* @author <a href="http://gleamynode.net/">Trustin Lee</a>
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* @version $Rev$, $Date$
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*/
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final class SelectorUtil {
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private static final InternalLogger logger =
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InternalLoggerFactory.getInstance(SelectorUtil.class);
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static void select(Selector selector) throws IOException {
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try {
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selector.select(500);
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} catch (CancelledKeyException e) {
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// Harmless exception - log anyway
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logger.debug(
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CancelledKeyException.class.getSimpleName() +
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" raised by a Selector - JDK bug?", e);
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}
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}
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}
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