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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.