Ephemeral Ports Exhausted with EJB calls from JBoss EAP 7.1/7.2 to 7.0

Issue

• Ephemeral Ports exhausted / netstat shows increasing ESTABLISHED connections to the EJB server port.

• java.net.BindException: Cannot assign requested address on client when connecting to server

  Caused by: java.net.BindException: Cannot assign requested address
          at sun.nio.ch.Net.connect0(Native Method)
          at sun.nio.ch.Net.connect(Net.java:454)
          at sun.nio.ch.Net.connect(Net.java:446)
          at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
          at org.xnio.nio.WorkerThread.openTcpStreamConnection(WorkerThread.java:270)
          at org.xnio.XnioIoThread.internalOpenTcpStreamConnection(XnioIoThread.java:254)
          at org.xnio.XnioIoThread.openStreamConnection(XnioIoThread.java:226)
          at org.xnio.XnioWorker.openStreamConnection(XnioWorker.java:405)
          at org.jboss.remoting3.remote.RemoteConnectionProvider.createSslConnection(RemoteConnectionProvider.java:246)
          at org.jboss.remoting3.remote.RemoteConnectionProvider.connect(RemoteConnectionProvider.java:206)
          at org.jboss.remoting3.EndpointImpl.lambda$connect$6(EndpointImpl.java:619)
          at java.security.AccessController.doPrivileged(Native Method)
          at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:618)
          at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:537)
          at org.jboss.remoting3.ConnectionInfo$NotShared.getConnection(ConnectionInfo.java:274)
          at org.jboss.remoting3.ConnectionInfo.getConnection(ConnectionInfo.java:55)
          at org.jboss.remoting3.EndpointImpl.doGetConnection(EndpointImpl.java:488)
          at org.jboss.remoting3.EndpointImpl.getConnectedIdentity(EndpointImpl.java:434)
          at org.wildfly.naming.client.remote.RemoteNamingProvider.getFuturePeerIdentityPrivileged(RemoteNamingProvider.java:151)
          at org.wildfly.naming.client.remote.RemoteNamingProvider.lamda$getFuturePeerIdentity$0(RemoteNamingProvider.java:138)
          at java.security.AccessController.doPrivileged(Native Method)
          at org.wildfly.naming.client.remote.RemoteNamingProvider.getFuturePeerIdentity(RemoteNamingProvider.java:138)