* Removed an unnecessary log statement in the OSGi BundleActivator impl

* Added UnterminatableExecutor
* Prohibited an attempt to release the shared resources when initialized via containers

src/main/java/org/jboss/netty/container/guice/NettyModule.java

@@ -33,6 +33,7 @@ import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
 import org.jboss.netty.channel.socket.oio.OioClientSocketChannelFactory;
 import org.jboss.netty.channel.socket.oio.OioServerSocketChannelFactory;
 import org.jboss.netty.util.ExecutorShutdownUtil;
+import org.jboss.netty.util.UnterminatableExecutor;
 
 import com.google.inject.AbstractModule;
 import com.google.inject.Scopes;
@@ -57,6 +58,8 @@ public class NettyModule extends AbstractModule {
                     "Executor has been shut down already.");
         }
 
+        Executor executor = new UnterminatableExecutor(this.executor);
+
         bind(Executor.class).
             annotatedWith(ChannelFactoryResource.class).
             toInstance(executor);

src/main/java/org/jboss/netty/container/microcontainer/NettyResourceFactory.java

@@ -28,6 +28,7 @@ import java.util.concurrent.Executors;
 import org.jboss.netty.logging.InternalLoggerFactory;
 import org.jboss.netty.logging.JBossLoggerFactory;
 import org.jboss.netty.util.ExecutorShutdownUtil;
+import org.jboss.netty.util.UnterminatableExecutor;
 
 /**
  * @author The Netty Project (netty-dev@lists.jboss.org)
@@ -35,27 +36,30 @@ import org.jboss.netty.util.ExecutorShutdownUtil;
  * @version $Rev$, $Date$
  */
 public class NettyResourceFactory {
-    private volatile Executor channelFactoryExecutor;
+    private Executor executor;
+    private Executor unterminatableExecutor;
 
-    public void create() {
-        channelFactoryExecutor = Executors.newCachedThreadPool();
+    public synchronized void create() {
+        executor = Executors.newCachedThreadPool();
+        unterminatableExecutor = new UnterminatableExecutor(executor);
     }
 
     public void start() {
         InternalLoggerFactory.setDefaultFactory(new JBossLoggerFactory());
     }
 
-    public void stop() {
-        if (channelFactoryExecutor != null) {
-            ExecutorShutdownUtil.shutdown(channelFactoryExecutor);
+    public synchronized void stop() {
+        if (executor != null) {
+            ExecutorShutdownUtil.shutdown(executor);
         }
     }
 
-    public void destroy() {
-        channelFactoryExecutor = null;
+    public synchronized void destroy() {
+        executor = null;
+        unterminatableExecutor = null;
     }
 
     public Executor getChannelFactoryExecutor() {
-        return channelFactoryExecutor;
+        return unterminatableExecutor;
     }
 }

src/main/java/org/jboss/netty/container/osgi/NettyBundleActivator.java

@@ -59,9 +59,8 @@ public class NettyBundleActivator implements BundleActivator {
 
     public void start(BundleContext ctx) throws Exception {
         initLoggerFactory(ctx);
-        InternalLoggerFactory.getInstance(NettyBundleActivator.class).info("YAY");
 
-        executor = Executors.newCachedThreadPool();
+        Executor executor = this.executor = Executors.newCachedThreadPool();
 
         // The default transport is NIO.
         register(ctx,
@@ -77,8 +76,10 @@ public class NettyBundleActivator implements BundleActivator {
 
     public void stop(BundleContext ctx) throws Exception {
         unregisterAll();
-        ExecutorShutdownUtil.shutdown(executor);
-        executor = null;
+        if (executor != null) {
+            ExecutorShutdownUtil.shutdown(executor);
+            executor = null;
+        }
     }
 
     private void initLoggerFactory(BundleContext ctx) {

src/main/java/org/jboss/netty/util/UnterminatableExecutor.java

@@ -0,0 +1,48 @@
+/*
+ * JBoss, Home of Professional Open Source
+ *
+ * Copyright 2009, Red Hat Middleware LLC, and individual contributors
+ * by the @author tags. See the COPYRIGHT.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.netty.util;
+
+import java.util.concurrent.Executor;
+
+/**
+ * Disables shutdown of an {@link Executor} by wrapping the {@link Executor}.
+ *
+ * @author The Netty Project (netty-dev@lists.jboss.org)
+ * @author Trustin Lee (tlee@redhat.com)
+ * @version $Rev$, $Date$
+ */
+public class UnterminatableExecutor implements Executor {
+
+    private final Executor executor;
+
+    public UnterminatableExecutor(Executor executor) {
+        if (executor == null) {
+            throw new NullPointerException("executor");
+        }
+        this.executor = executor;
+    }
+
+    public void execute(Runnable command) {
+        executor.execute(command);
+    }
+}