you need to make a selection only by file type, the object was saved simply as Object.class
try to choose by,
searchResponse = osClient.search(new SearchRequest(eventIndex)
.scroll(scroll)
.source(
newSearchSourceBuilder().query(
QueryBuilders.matchPhraseQuery("metaInfo.object.type",searchQuery.getObject())
)
), RequestOptions.DEFAULT);
we output is always 0