After upgrading to 7.3.0 search queries return null_pointer_exception

Elastic Stack Elasticsearch
1

Search queries (which worked before upgrading) now return

{
   "took":16,
   "timed_out":false,
   "_shards":{
      "total":5,
      "successful":4,
      "skipped":0,
      "failed":1,
      "failures":[
         {
            "shard":4,
            "index":"REDACTED",
            "node":"REDACTED",
            "reason":{
               "type":"null_pointer_exception",
               "reason":null
            }
         }
      ]
   },
   "hits":{
      "total":{
         "value":0,
         "relation":"eq"
      },
      "max_score":null,
      "hits":[

      ]
   }
}

Sometimes it works but mostly they are failing.

2

can you provide the full stack by enabled stack traces and also provide the full search operation if possible?

Is this reproducible with a new index/data as well?

3

This is always reproducible, also with a new index/data

  at org.apache.lucene.search.TopScoreDocCollector$SimpleTopScoreDocCollector$1.collect(TopScoreDocCollector.java:68)
  at org.elasticsearch.search.internal.ContextIndexSearcher.intersectScorerAndBitSet(ContextIndexSearcher.java:245)
  at org.elasticsearch.search.internal.ContextIndexSearcher.searchInternal(ContextIndexSearcher.java:209)
  at org.elasticsearch.search.internal.ContextIndexSearcher.search(ContextIndexSearcher.java:179)
  at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:443)
  at org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:270)
  at org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:113)
  at org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:335)
  at org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:360)
  at org.elasticsearch.search.SearchService.lambda$executeQueryPhase$1(SearchService.java:340)
  at org.elasticsearch.action.ActionListener.lambda$map$2(ActionListener.java:145)
  at org.elasticsearch.action.ActionListener$1.onResponse(ActionListener.java:62)
  at org.elasticsearch.search.SearchService$2.doRun(SearchService.java:1052)
  at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
  at org.elasticsearch.common.util.concurrent.TimedRunnable.doRun(TimedRunnable.java:44)
  at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:758)
  at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  at java.lang.Thread.run(Thread.java:748)
4

please provide the full stack and all the commands you typed in to trigger this behaviour so it can be reproduced locally.

Thank you!

5

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