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

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