code: public static void exception(TraceComponent tc, Throwable t) {
      if(isTracing()) SibTr.exception(tc, t);
  
    }
docs: /* (non-Javadoc)
  @see com.ibm.ws.sib.utils.ras.SibTr#exception(com.ibm.websphere.ras.TraceComponent, java.lang.Throwable)