What is causing Client Socket Wrapper IOExceptions in the log in JBoss EAP 4.3

Issue

• The following  IOException was found in the log in a multi-node cluster production environment. What is the impact of these exceptions?

  (07/27 09:58:30:860):{WorkManager(2)-316868} [org.jboss.jms.client.remoting.ClientSocketWrapper] [DEBUG] NEW ClientSocketWrapper[f58aa5[TLS_DHE_DSS_WITH_AES_128_CBC_SHA: Socket[addr=/x.x.x.x,port=xxxx,localport=52718]].f58aa5].checkConnection(): 
  java.io.IOException: got -2 instead of 1
       at org.jboss.jms.client.remoting.ClientSocketWrapper.checkConnection(ClientSocketWrapper.java:95)
       at org.jboss.remoting.transport.socket.SocketClientInvoker.getPooledConnection(SocketClientInvoker.java:217)
       at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.getConnection(MicroSocketClientInvoker.java:894)
       at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.transport(MicroSocketClientInvoker.java:602)
       at org.jboss.remoting.transport.bisocket.BisocketClientInvoker.transport(BisocketClientInvoker.java:458)
       at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:141)
       at org.jboss.remoting.Client.invoke(Client.java:1935)
       at org.jboss.remoting.Client.invoke(Client.java:788)
       at org.jboss.remoting.Client.invokeOneway(Client.java:839)
       at org.jboss.remoting.callback.ServerInvokerCallbackHandler.handleCallback(ServerInvokerCallbackHandler.java:829)
       at org.jboss.remoting.callback.ServerInvokerCallbackHandler.handleCallbackOneway(ServerInvokerCallbackHandler.java:700)
       at org.jboss.jms.server.endpoint.ServerSessionEndpoint.performDelivery(ServerSessionEndpoint.java:1552)
       at org.jboss.jms.server.endpoint.ServerSessionEndpoint.handleDelivery(ServerSessionEndpoint.java:1464)
       at org.jboss.jms.server.endpoint.ServerConsumerEndpoint.handle(ServerConsumerEndpoint.java:349)
       at org.jboss.messaging.core.impl.RoundRobinDistributor.handle(RoundRobinDistributor.java:119)
       at org.jboss.messaging.core.impl.MessagingQueue$DistributorWrapper.handle(MessagingQueue.java:597)
       at org.jboss.messaging.core.impl.ClusterRoundRobinDistributor.handle(ClusterRoundRobinDistributor.java:88)
       at org.jboss.messaging.core.impl.ChannelSupport.deliverInternal(ChannelSupport.java:665)
       at org.jboss.messaging.core.impl.MessagingQueue.deliverInternal(MessagingQueue.java:520)
       at org.jboss.messaging.core.impl.ChannelSupport$InMemoryCallback.afterCommit(ChannelSupport.java:1072)
       at org.jboss.messaging.core.impl.tx.Transaction.commit(Transaction.java:265)
       at org.jboss.jms.server.endpoint.ServerConnectionEndpoint.sendTransaction(ServerConnectionEndpoint.java:522)
       at org.jboss.jms.server.endpoint.advised.ConnectionAdvised.org$jboss$jms$server$endpoint$advised$ConnectionAdvised$sendTransaction$aop(ConnectionAdvised.java:101)
       at org.jboss.jms.server.endpoint.advised.ConnectionAdvised$sendTransaction_N3268650789275322226.invokeNext(ConnectionAdvised$sendTransaction_N3268650789275322226.java)
       at org.jboss.jms.server.container.SecurityAspect.handleSendTransaction(SecurityAspect.java:195)
  ......