docs: List<W3CEndpointReference> lookupEndpoints(QName serviceName,
              MatcherDataType matcherData) throws ServiceLocatorFault,
              InterruptedExceptionFault {
          SLPropertiesMatcher matcher = createMatcher(matcherData);
          List<String> names = null;
          List<W3CEndpointReference> result = new ArrayList<W3CEndpointReference>();
          String adress;
          try {
              initLocator();
              if (matcher == null) {
                  names = locatorClient.lookup(serviceName);
              } else {
                  names = locatorClient.lookup(serviceName, matcher);
              }
          } catch (ServiceLocatorException e) {
              ServiceLocatorFaultDetail serviceFaultDetail = new ServiceLocatorFaultDetail();
              serviceFaultDetail.setLocatorFaultDetail(serviceName.toString()
                      + "throws ServiceLocatorFault");
              throw new ServiceLocatorFault(e.getMessage(), serviceFaultDetail);
          } catch (InterruptedException e) {
              InterruptionFaultDetail interruptionFaultDetail = new InterruptionFaultDetail();
              interruptionFaultDetail.setInterruptionDetail(serviceName
                      .toString() + "throws InterruptionFault");
              throw new InterruptedExceptionFault(e.getMessage(),
                      interruptionFaultDetail);
          }
          if (names != null && !names.isEmpty()) {
              for (int i = 0; i < names.size(); i++) {
                  adress = names.get(i);
                  result.add(buildEndpoint(serviceName, adress));
              }
          } else {
              if (LOG.isLoggable(Level.WARNING)) {
                  LOG.log(Level.WARNING, "lookup Endpoints for " + serviceName
                          + " failed, service is not known.");
              }
              ServiceLocatorFaultDetail serviceFaultDetail = new ServiceLocatorFaultDetail();
              serviceFaultDetail.setLocatorFaultDetail("lookup Endpoint for "
                      + serviceName + " failed, service is not known.");
              throw new ServiceLocatorFault("Can not find Endpoint",
                      serviceFaultDetail);
          }
          return result;
      }