@Override public void debug(String msg,Throwable t){
  if (logger.isLoggable(Level.FINE)) {
    log(SELF,Level.FINE,msg,t);
  }
}

@ Override public void debug ( String msg , Throwable t ) { if ( logger . isLoggable ( Level . FINE ) ) { log ( SELF , Level . FINE , msg , t ) ; } }
log an exception ( throwable ) at level fine with an accompanying message .
