This closes #2616

artemis-commons/src/main/java/org/apache/activemq/artemis/utils/Env.java

@@ -59,6 +59,10 @@ public final class Env {
     */
    private static boolean testEnv = false;
 
+   private static final String OS = System.getProperty("os.name").toLowerCase();
+   private static final boolean IS_LINUX = OS.startsWith("linux");
+   private static final boolean IS_MAC = OS.startsWith("mac");
+
    private Env() {
 
    }
@@ -79,4 +83,12 @@ public final class Env {
       Env.testEnv = testEnv;
    }
 
+   public static boolean isLinuxOs() {
+      return IS_LINUX == true;
+   }
+
+   public static boolean isMacOs() {
+      return IS_MAC == true;
+   }
+
 }

artemis-core-client/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/CheckDependencies.java

@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.activemq.artemis.core.remoting.impl.netty;
+
+import io.netty.channel.epoll.Epoll;
+import io.netty.channel.kqueue.KQueue;
+import org.apache.activemq.artemis.core.client.ActiveMQClientLogger;
+import org.apache.activemq.artemis.utils.Env;
+import org.jboss.logging.Logger;
+
+/**
+ * This class will check for Epoll or KQueue is available, and return false in case of NoClassDefFoundError
+ * it could be improved to check for other cases eventually.
+ */
+public class CheckDependencies {
+
+   private static final Logger logger = Logger.getLogger(CheckDependencies.class);
+
+   public static final boolean isEpollAvailable() {
+      try {
+         return Env.isLinuxOs() && Epoll.isAvailable();
+      } catch (Throwable e)  {
+         ActiveMQClientLogger.LOGGER.unableToCheckKQueueAvailability(e);
+         return false;
+      }
+   }
+
+   public static final boolean isKQueueAvailable() {
+      try {
+         return Env.isMacOs() && KQueue.isAvailable();
+      } catch (Throwable e) {
+         ActiveMQClientLogger.LOGGER.unableToCheckKQueueAvailability(e);
+         return false;
+      }
+   }
+}

artemis-core-client/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/NettyConnector.java

@@ -65,12 +65,10 @@ import io.netty.channel.ChannelPromise;
 import io.netty.channel.EventLoopGroup;
 import io.netty.channel.SimpleChannelInboundHandler;
 import io.netty.channel.WriteBufferWaterMark;
-import io.netty.channel.epoll.Epoll;
 import io.netty.channel.epoll.EpollEventLoopGroup;
 import io.netty.channel.epoll.EpollSocketChannel;
 import io.netty.channel.group.ChannelGroup;
 import io.netty.channel.group.DefaultChannelGroup;
-import io.netty.channel.kqueue.KQueue;
 import io.netty.channel.kqueue.KQueueEventLoopGroup;
 import io.netty.channel.kqueue.KQueueSocketChannel;
 import io.netty.channel.nio.NioEventLoopGroup;
@@ -444,7 +442,7 @@ public class NettyConnector extends AbstractConnector {
 
       String connectorType;
 
-      if (useEpoll && Epoll.isAvailable()) {
+      if (useEpoll && CheckDependencies.isEpollAvailable()) {
          if (useGlobalWorkerPool) {
             group = SharedEventLoopGroup.getInstance((threadFactory -> new EpollEventLoopGroup(remotingThreads, threadFactory)));
          } else {
@@ -453,7 +451,7 @@ public class NettyConnector extends AbstractConnector {
          connectorType = EPOLL_CONNECTOR_TYPE;
          channelClazz = EpollSocketChannel.class;
          logger.debug("Connector " + this + " using native epoll");
-      } else if (useKQueue && KQueue.isAvailable()) {
+      } else if (useKQueue && CheckDependencies.isKQueueAvailable()) {
          if (useGlobalWorkerPool) {
             group = SharedEventLoopGroup.getInstance((threadFactory -> new KQueueEventLoopGroup(remotingThreads, threadFactory)));
          } else {

artemis-server/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/NettyAcceptor.java

@@ -54,13 +54,11 @@ import io.netty.channel.DefaultEventLoopGroup;
 import io.netty.channel.EventLoopGroup;
 import io.netty.channel.ServerChannel;
 import io.netty.channel.WriteBufferWaterMark;
-import io.netty.channel.epoll.Epoll;
 import io.netty.channel.epoll.EpollEventLoopGroup;
 import io.netty.channel.epoll.EpollServerSocketChannel;
 import io.netty.channel.group.ChannelGroup;
 import io.netty.channel.group.ChannelGroupFuture;
 import io.netty.channel.group.DefaultChannelGroup;
-import io.netty.channel.kqueue.KQueue;
 import io.netty.channel.kqueue.KQueueEventLoopGroup;
 import io.netty.channel.kqueue.KQueueServerSocketChannel;
 import io.netty.channel.local.LocalAddress;
@@ -345,7 +343,7 @@ public class NettyAcceptor extends AbstractAcceptor {
             remotingThreads = Runtime.getRuntime().availableProcessors() * 3;
          }
 
-         if (useEpoll && Epoll.isAvailable()) {
+         if (useEpoll && CheckDependencies.isEpollAvailable()) {
             channelClazz = EpollServerSocketChannel.class;
             eventLoopGroup = new EpollEventLoopGroup(remotingThreads, AccessController.doPrivileged(new PrivilegedAction<ActiveMQThreadFactory>() {
                @Override
@@ -356,7 +354,7 @@ public class NettyAcceptor extends AbstractAcceptor {
             acceptorType = EPOLL_ACCEPTOR_TYPE;
 
             logger.debug("Acceptor using native epoll");
-         } else if (useKQueue && KQueue.isAvailable()) {
+         } else if (useKQueue && CheckDependencies.isKQueueAvailable()) {
             channelClazz = KQueueServerSocketChannel.class;
             eventLoopGroup = new KQueueEventLoopGroup(remotingThreads, AccessController.doPrivileged(new PrivilegedAction<ActiveMQThreadFactory>() {
                @Override