Temporary Fix for statistics elastic search index

src/main/java/at/ac/uibk/gitsearch/service/impl/StatisticsServiceImpl.java

@@ -45,7 +45,12 @@ public class StatisticsServiceImpl implements StatisticsService {
         Statistics statistics = statisticsMapper.toEntity(statisticsDTO);
         statistics = statisticsRepository.save(statistics);
         StatisticsDTO result = statisticsMapper.toDto(statistics);
-        statisticsSearchRepository.save(statistics);
+        // TODO temporary fix: statistics has a problem with complex exercise ids (e.g. 10:if1/exercise1) :-)
+        try {
+			statisticsSearchRepository.save(statistics);
+		} catch (Exception e) {
+			log.error("Please fix this problem! ExerciseIds are not numeric any more!", e);
+		}
         return result;
     }