2.4.2 Release Notes

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Enhancements

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Aggregations
  • Rescorer should be applied in the TopHits aggregation #20978 (issue: #19317)
Cache
Cluster
  • Skip shard management code when updating cluster state on client/tribe nodes #20731
Internal
  • ShardActiveResponseHandler shouldn’t hold to an entire cluster state #21470 (issue: #21394)
Mapping
  • Log about deprecated position_increment_gap setting on non-analyzed fields #20810 (issues: #20413, #20806)

Bug fixes

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CRUD
  • MultiGet should not fail entirely if alias resolves to many indices #20858 (issue: #20845)
  • Fixed date math expression support in multi get requests. #20659 (issue: #17957)
Cluster
  • Remove cluster update task when task times out #21578 (issue: #21568)
  • Reenable shard management on IndicesClusterStateService #20741
Core
  • Binary fields indexed into an upgraded (from 1.x → 2.x) index hit "Compressor detection can only be called on some xcontent bytes or compressed xcontent bytes" exception #21440 (issue: #11280)
  • Protect BytesStreamOutput against overflows of the current number of written bytes. #21174 (issue: #21159)
  • StoreStatsCache should also ignore AccessDeniedException when checking file size #20790 (issue: #17580)
Index APIs
  • Only negate index expression on all indices with preceding wildcard #20898 (issues: #19800, #20033)
Java API
  • Null checked for source when calling sourceRef #21431 (issue: #19279)
Plugin Cloud Azure
  • Fix logger when you can not create an azure storage client #20669 (issue: #20633)
Query DSL
  • Fix NPE when parsing InnerHits with highlight query #21065 (issue: #21061)
  • Stricter parsing of multi_match "query" parameter #20884 (issue: #20785)
  • Fix match_phrase_prefix query with single term on _all field #20471 (issue: #20470)
REST
  • The routing query string param is supported by mget but was missing from the rest spec #21357
  • Read indices options in indices upgrade API #21281 (issue: #21099)
Search
  • Max score should be updated when a rescorer is used #20977 (issue: #20651)
  • Make range queries round up upper bounds again. #20582 (issues: #20579, #8889)

Upgrades

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Dates
  • Update Joda Time to version 2.9.5 on branch 2.4 #21533 (issue: #21468)