[jira] [Created] (SOLR-8340) HighlightComponent throws a NullPointerException when the attribute of ResponseBuilder which named 'onePassDistributedQuery' is 'true' and 'rows' is greater than zero

["zengjie (JIRA)" <ji...@apache.org>]

zengjie created SOLR-8340:
-----------------------------

             Summary: HighlightComponent throws a NullPointerException when the attribute of ResponseBuilder which named 'onePassDistributedQuery' is 'true' and 'rows' is greater than zero
                 Key: SOLR-8340
                 URL: https://issues.apache.org/jira/browse/SOLR-8340
             Project: Solr
          Issue Type: Bug
          Components: highlighter
    Affects Versions: 5.3.1
            Reporter: zengjie
            Priority: Critical


 When the attribute 'onePassDistributedQuery' is 'true',QueryCompoent will not  send a ShardRequest to retrive field values, highlight values has been return by shards in createMainQuery together.
See code below:

 private void handleRegularResponses(ResponseBuilder rb, ShardRequest sreq) {
    if ((sreq.purpose & ShardRequest.PURPOSE_GET_TOP_IDS) != 0) {
//merge all id and score,and ResponseBuilder.resultIds just stored id between start to rows
      mergeIds(rb, sreq);
    }

    if ((sreq.purpose & ShardRequest.PURPOSE_GET_TERM_STATS) != 0) {
      updateStats(rb, sreq);
    }

    if ((sreq.purpose & ShardRequest.PURPOSE_GET_FIELDS) != 0) {
//where ResponseBuilder.onePassDistributedQuery is true,highlight values was retrived at same time,but not truncated by 'start' and 'rows',just return top N(N=start+rows),
      returnFields(rb, sreq);
    }
  }




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