SearchIndexException example

'sid' => $sid,
            'langcode' => $langcode,
            'type' => $type,
          ])
          ->fields(['score' => $score])
          ->expression('score', '[score] + :score', [':score' => $score])
          ->execute();
        $current_words[$word] = TRUE;
      }
    }
    catch (\Exception $e) {
      throw new SearchIndexException("Failed to insert dataset in index for type '$type', sid '$sid' and langcode '$langcode'", 0, $e);
    }
    finally {
      if ($update_weights) {
        $this->updateWordWeights($current_words);
      }
    }
    return $current_words;
  }

  /** * {@inheritdoc} */