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UPGRADING

Upgrading 2.x to 3.0

URL Path Encoding

  • The default URL path encoding has been changed to be more conservative. Previously the !, $, &, ', (, ), *, +, ,, ;, =, @ and : characters were left un-encoded, they will now be percent-encoded. If you require the previous behavior you can specify the org.opensearch.path.encoding=HTTP_CLIENT_V4_EQUIV system property.

SearchAfter of SearchRequest type

  • Changed SearchAfter of SearchRequest type to FieldValue instead of String (#769)
  • Consider using FieldValue.of to make string type values compatible.

Before:

.searchAfter("string")
.searchAfter("string1", "string2")
.searchAfter(List.of("String"))

After:

.searchAfter(FieldValue.of("string"))
.searchAfter(FieldValue.of("string1"), FieldValue.of("string2"))
.searchAfter(List.of(FieldValue.of("String")))

DanglingIndex creationDateMillis type

  • The type of DanglingIndex's creationDateMillis field has been corrected from a String to a long.

ShardStatistics properties types

  • The type of the total, successful and failed fields has been corrected from Number to int.
  • The type of the skipped field has been corrected from Number to Integer.

Unified tasks.Info & tasks.State classes into tasks.TaskInfo

  • The tasks.Info and tasks.State classes have been unified into tasks.TaskInfo, this affects:
    • TaskExecutingNode's tasks field.
    • GetTasksResponse's task field.
    • core.update_by_query_rethrottle.UpdateByQueryRethrottleNode's tasks field.
  • The headers field is now a Map<String, String> instead of a Map<String, List<String>>.

tasks.ListResponse properties lifted to tasks.TaskListResponseBase

  • All fields previously defined on tasks.ListResponse have been lifted to tasks.TaskListResponseBase.
  • DeleteByQueryRethrottleResponse now extends tasks.TaskListResponseBase instead of tasks.ListResponse.
  • The tasks field is now a TaskInfos union type instead of a Map<String, Info> to correctly handle groupBy parents or none.

GetTasksResponse response type

  • The type of GetTasksResponse's response field has been changed from tasks.Status to tasks.TaskResponse.