HQ214045: Failed to create netty connection

Issue

• Get the following error on Mulesoft server running in the AWS cloud connecting to JBoss HornetQ not running in the cloud:

  HQ214045: Failed to create netty connection
  java.net.UnknownHostException: host.example.com
          at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)
          at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
          at java.net.Socket.connect(Socket.java:589)
          at org.jboss.netty.channel.socket.oio.OioClientSocketPipelineSink.connect(OioClientSocketPipelineSink.java:109)
          at org.jboss.netty.channel.socket.oio.OioClientSocketPipelineSink.eventSunk(OioClientSocketPipelineSink.java:69)
          at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendDownstream(DefaultChannelPipeline.java:779)
          at org.jboss.netty.channel.SimpleChannelHandler.connectRequested(SimpleChannelHandler.java:306)
          at org.jboss.netty.channel.SimpleChannelHandler.handleDownstream(SimpleChannelHandler.java:272)
          at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591)
          at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:582)
          at org.jboss.netty.channel.Channels.connect(Channels.java:634)
          at org.jboss.netty.channel.AbstractChannel.connect(AbstractChannel.java:216)
          at org.jboss.netty.bootstrap.ClientBootstrap.connect(ClientBootstrap.java:229)
          at org.jboss.netty.bootstrap.ClientBootstrap.connect(ClientBootstrap.java:182)
          at org.hornetq.core.remoting.impl.netty.NettyConnector.createConnection(NettyConnector.java:505)
          at org.hornetq.core.client.impl.ClientSessionFactoryImpl.getConnection(ClientSessionFactoryImpl.java:1225)
          at org.hornetq.core.client.impl.ClientSessionFactoryImpl.getConnectionWithRetry(ClientSessionFactoryImpl.java:1071)
          at org.hornetq.core.client.impl.ClientSessionFactoryImpl.connect(ClientSessionFactoryImpl.java:246)
          at org.hornetq.core.client.impl.ServerLocatorImpl.createSessionFactory(ServerLocatorImpl.java:826)
          at org.hornetq.jms.client.HornetQConnectionFactory.createConnectionInternal(HornetQConnectionFactory.java:583)
          at org.hornetq.jms.client.HornetQConnectionFactory.createQueueConnection(HornetQConnectionFactory.java:119)
          at org.mule.transport.jms.CustomCachingConnectionFactory.doCreateConnection(CustomCachingConnectionFactory.java:57)
          at org.springframework.jms.connection.SingleConnectionFactory.initConnection(SingleConnectionFactory.java:305)
          at org.springframework.jms.connection.SingleConnectionFactory.getConnection(SingleConnectionFactory.java:283)
          at org.springframework.jms.connection.SingleConnectionFactory.createConnection(SingleConnectionFactory.java:224)
          at org.mule.transport.jms.Jms11Support.createConnection(Jms11Support.java:64)
          at org.mule.transport.jms.JmsConnector.createConnection(JmsConnector.java:441)
          at org.mule.transport.jms.JmsConnector.doConnect(JmsConnector.java:537)
          at org.mule.transport.AbstractConnector$5.doWork(AbstractConnector.java:1591)
          at org.mule.retry.policies.AbstractPolicyTemplate.execute(AbstractPolicyTemplate.java:63)
          at org.mule.transport.AbstractConnector.connect(AbstractConnector.java:1656)
          at org.mule.transport.jms.JmsConnector.connect(JmsConnector.java:466)
          at org.mule.transport.AbstractConnector.start(AbstractConnector.java:443)
          at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:497)
          at org.mule.lifecycle.phases.DefaultLifecyclePhase.applyLifecycle(DefaultLifecyclePhase.java:237)
          at org.mule.lifecycle.RegistryLifecycleCallback.doApplyLifecycle(RegistryLifecycleCallback.java:91)
          at org.mule.lifecycle.RegistryLifecycleCallback.onTransition(RegistryLifecycleCallback.java:67)
          at org.mule.lifecycle.RegistryLifecycleManager.invokePhase(RegistryLifecycleManager.java:140)
          at org.mule.lifecycle.RegistryLifecycleManager.fireLifecycle(RegistryLifecycleManager.java:111)