Java application gets error java.net.SocketException: Protocol family unavailable

Issue

• Java application does not start and this error is in logging the exception java.net.SocketException: Protocol family unavailable

  Caused by: java.net.SocketException: Protocol family unavailable
          at java.net.PlainSocketImpl.socketBind(Native Method)
          at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
          at java.net.ServerSocket.bind(ServerSocket.java:375)
          at java.net.ServerSocket.<init>(ServerSocket.java:237)
          at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:55)
          at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:403)
          at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:650)
          at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:434)
          at org.apache.catalina.connector.Connector.initInternal(Connector.java:978)
          ... 13 more
  

  Or

  Caused by: java.net.SocketException: Protocol family unavailable
          at sun.nio.ch.Net.bind0(Native Method)
          at sun.nio.ch.Net.bind(Net.java:433)
          at sun.nio.ch.Net.bind(Net.java:425)
          at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
          at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
          at org.xnio.nio.NioXnioWorker.createTcpConnectionServer(NioXnioWorker.java:178)
          at org.xnio.XnioWorker.createStreamConnectionServer(XnioWorker.java:303)
          at org.wildfly.extension.undertow.HttpListenerService.startListening(HttpListenerService.java:106)
          at org.wildfly.extension.undertow.ListenerService.start(ListenerService.java:199)
          ... 8 more='
  

• When enabling IPv6 in operating-system, JBoss EAP adopting the IPv6 configuration automatically and disables at operating-system, JBoss EAP is crashing. Need to disable IPv6 permanently in JBoss EAP even operating-system has enabled or disabled IPv6 at operating-system level.