code: public static int getContainerPageTypeIdSafely() {
  
          try {
              return getContainerPageTypeId();
          } catch (CmsLoaderException e) {
              if (LOG.isDebugEnabled()) {
                  LOG.debug(e.getLocalizedMessage(), e);
              }
              return -1;
          }
      }
docs: Returns the container-page type id, but returns -1 instead of throwing an exception when an error happens.<p>
  
  @return the container-page type id