code: public static void enableSoapLogging (final boolean bServerDebug, final boolean bClientDebug)
    {
      // Server debug mode
      String sDebug = Boolean.toString (bServerDebug);
      SystemProperties.setPropertyValue ("com.sun.xml.ws.transport.http.client.HttpTransportPipe.dump", sDebug);
      SystemProperties.setPropertyValue ("com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.dump", sDebug);
  
      // Client debug mode
      sDebug = Boolean.toString (bClientDebug);
      SystemProperties.setPropertyValue ("com.sun.xml.ws.transport.http.HttpTransportPipe.dump", sDebug);
      SystemProperties.setPropertyValue ("com.sun.xml.internal.ws.transport.http.HttpTransportPipe.dump", sDebug);
  
      // Enlarge dump size
      if (bServerDebug || bClientDebug)
      {
        final String sValue = Integer.toString (2 * CGlobal.BYTES_PER_MEGABYTE);
        SystemProperties.setPropertyValue ("com.sun.xml.ws.transport.http.HttpAdapter.dumpTreshold", sValue);
        SystemProperties.setPropertyValue ("com.sun.xml.internal.ws.transport.http.HttpAdapter.dumpTreshold", sValue);
      }
      else
      {
        SystemProperties.removePropertyValue ("com.sun.xml.ws.transport.http.HttpAdapter.dumpTreshold");
        SystemProperties.removePropertyValue ("com.sun.xml.internal.ws.transport.http.HttpAdapter.dumpTreshold");
      }
    }
docs: Enable the JAX-WS SOAP debugging. This shows the exchanged SOAP messages in
  the log file. By default this logging is disabled.
  
  @param bServerDebug
  <code>true</code> to enable server debugging, <code>false</code> to
  disable it.
  @param bClientDebug
  <code>true</code> to enable client debugging, <code>false</code> to
  disable it.