log.error("StripChartSource: " + e);
log.error("StripChartSource: ", e);
  public void run() {      if(log.isDebugEnabled()) {        log.debug("Running....");      }    while (true) {      try {	Thread.sleep(1000);	addValue((System.currentTimeMillis() % 100)*.01,		 System.currentTimeMillis());      } catch (Exception e) {        if(log.isErrorEnabled()) {          log.error("StripChartSource: " + e);        }      }    }  }