public void error(Throwable t,String s,Object... params){
  if (isEnabled(TraceSystem.ERROR)) {
    s=MessageFormat.format(s,params);
    traceWriter.write(TraceSystem.ERROR,module,s,t);
  }
}

public void error ( Throwable t , String s , Object ... params ) { if ( isEnabled ( TraceSystem . ERROR ) ) { s = MessageFormat . format ( s , params ) ; traceWriter . write ( TraceSystem . ERROR , module , s , t ) ; } }
write a message with trace level error to the trace system .
