anchor.diff:                  value();
       } else if (ex instanceof MissingConfKeyException) {
           response.setHeader(
  -                SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
  -                SyncopeClientExceptionType.NotFound.getHeaderValue());
  +                SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER, SyncopeClientExceptionType.NotFound.getHeaderValue());
           response.setHeader(
                   SyncopeClientExceptionType.NotFound.getElementHeaderName(),
                   ((MissingConfKeyException) ex).getConfKey());
  
positive.code:                 ((SyncopeClientCompositeErrorException) ex).getExceptions()) {
  
              response.addHeader(
                      SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                      sce.getType().getHeaderValue());
  
              for (String attributeName : sce.getElements()) {
                  response.addHeader(
                          sce.getType().getElementHeaderName(),
                          attributeName);
              }
          }
  
  
negative.code:                 SyncopeClientErrorHandler.EXCEPTION_TYPE_HEADER,
                  SyncopeClientExceptionType.InvalidExternalResource.getHeaderValue());
          response.setHeader(
                  SyncopeClientExceptionType.InvalidExternalResource.getElementHeaderName(),
                  ex.getCause() == null ? ex.getMessage() : ex.getCause().
                  getMessage());
  
  