Issues

• Delete By Query deserialization will not account for search failures

  Bug

  elastic/elasticsearch-java#1349 · Filter by author mccheah opened on Oct 2, 2026
  1

  

• Nested index settings that do not end up deserialized in otherSettings leads to requiring properties on parent JSON nodes

  Area: SpecificationCategory: Bug
  Bug

  elastic/elasticsearch-java#1347 · Filter by author mccheah opened on Sep 25, 2026
  1

  

• RestClientTransport sends bulk bodies as one HTTP chunk / TLS record / syscall per NDJSON buffer, burning ~45x the reactor CPU of the HLRC

  elastic/elasticsearch-java#1339 · Filter by author jjain1259 opened on Sep 9, 2026
  5

  

• Configurable Retry Status Codes and Max Retry Count until Node Failover - RestClient

  elastic/elasticsearch-java#1212 · Filter by author sebastian-mue opened on Apr 20, 2026
  8

• Intermittent Unexpected token [START_OBJECT] found after the main object error when compression is enabled

  elastic/elasticsearch-java#1165 · Filter by author svichkark opened on Feb 22, 2026
  5

• Throw Exception while using withJson method in bulk.IndexOperation

  elastic/elasticsearch-java#1083 · Filter by author chamchi00800 opened on Oct 19, 2025
  2

• Knn query vector is serialized as array of double, not float

  Area: GeneratorCategory: Enhancement
  elastic/elasticsearch-java#1034 · Filter by author tmoschou opened on Jun 26, 2025
  2

• Thread lock when unable to insert in Elasticsearch

  elastic/elasticsearch-java#925 · Filter by author nicolasm35 opened on Jan 17, 2025
  6

• New lightweight http layer based on JDK 11

  Area: TransportCategory: Featuretracking
  elastic/elasticsearch-java#828 · Filter by author srikanthmanvi opened on Jun 4, 2024

• ElasticsearchAsyncSearchClient: Error Responses can't be deserialized

  Category: Bug
  elastic/elasticsearch-java#674 · Filter by author str8y opened on Sep 15, 2023
  2

• Update operation does not work with BinaryData object.

  Category: Enhancement
  elastic/elasticsearch-java#615 · Filter by author NavidMitchell opened on Jul 1, 2023
  1

• ScoreSort sort by Doc field

  elastic/elasticsearch-java#561 · Filter by author michalAndrzejKalinowskiEstimate opened on Apr 24, 2023
  2

• [Feature Request] Reactive API

  Category: Feature
  elastic/elasticsearch-java#542 · Filter by author patpatpat123 opened on Mar 26, 2023
  6

• Error deserializing co.elastic.clients.elasticsearch._types.analysis.CharFilterDefinition: Unknown 'type' value: 'stconvert'

  elastic/elasticsearch-java#519 · Filter by author Huyueeer opened on Feb 17, 2023

• Builtin GeoPoint shape

  elastic/elasticsearch-java#501 · Filter by author ozcanyus opened on Jan 26, 2023
  4

• java.lang.IllegalArgumentException: Class class co.elastic.clients.elasticsearch.core.bulk.UpdateOperation cannot be read from JSON

  elastic/elasticsearch-java#477 · Filter by author lucky-xin opened on Jan 4, 2023
  2

• get task status of forcemerge(wait_for_completion=false) results in error when task completed

  elastic/elasticsearch-java#469 · Filter by author AkisAya opened on Dec 22, 2022
  1

• forcemerge with wait_for_completion=false lead to response error: MissingRequiredPropertyException: Missing required property 'ForcemergeResponse.shards'

  elastic/elasticsearch-java#468 · Filter by author AkisAya opened on Dec 21, 2022
  2

• Can't use _source array with SearchRequest withJson

  Category: Enhancement
  elastic/elasticsearch-java#400 · Filter by author cgendreau opened on Sep 16, 2022
  3

• _tasks - Client doesn't expect the response to have objects under json path response.failures

  Area: Specification
  elastic/elasticsearch-java#396 · Filter by author mjmbischoff opened on Sep 13, 2022
  1

• tasks.get endpoint fails to deserialize response when .response.failures array contains objects

  Area: Specification
  elastic/elasticsearch-java#331 · Filter by author csshepard opened on Jun 22, 2022
  1

• Elasticsearch-java as a Jigsaw module

  Category: Enhancement
  elastic/elasticsearch-java#308 · Filter by author georgeVasiliu opened on Jun 7, 2022
  2

• Cannot clear refresh_interval of Index Setting with null using low level client

  elastic/elasticsearch-java#283 · Filter by author marcdefaria opened on May 6, 2022
  2

• Bulk request operations fail on withJson

  Category: Bug
  elastic/elasticsearch-java#251 · Filter by author swallez opened on Apr 25, 2022
  1

• [Documentation] Example of the @timestamp datetime format when creating documents: DateTimeFormatter.ISO_DATE_TIME.format(OffsetDateTime.now())

  elastic/elasticsearch-java#209 · Filter by author cyrille-leclerc opened on Mar 18, 2022
  1