5.6.2 Release Notes

Also see Breaking changes in 5.6.

Bug fixes

Aggregations
  • Do not delegate a null scorer to LeafBucketCollectors #26747 (issue: #26611)
Inner Hits
  • Do not allow inner hits that fetch _source and have a non nested object field as parent #25749 (issue: #25315)
Internal
  • Catch exceptions and inform handler in RemoteClusterConnection#collectNodes #26725 (issue: #26700)
Java API
  • BulkProcessor flush runnable preserves the thread context from creation time #26718 (issue: #26596)
Java High Level REST Client
  • Make RestHighLevelClient’s Request class public #26627 (issue: #26455)
Plugin Analysis Kuromoji
Plugin Repository HDFS
  • Fix permission errors when using Read Only HDFS Repository #26714 (issues: #22793, #26513)
Query DSL
  • #26083 Fixed incomplete JSON body on count request making org.elasticsearch.rest.action.RestActions#parseTopLevelQueryBuilder go into endless loop #26680 (issue: #26083)
Scripting
  • Add missing script contexts and types allowed settings #26703 (issue: #26651)
Upgrade API
  • Upgrade API: fix excessive logging and unnecessary template updates #26698 (issue: #26673)

Upgrades

Logging