Jackson Release 2.6.4

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Tatu Saloranta edited this page Mar 4, 2021 · 24 revisions

Patch version of 2.6, released on December 7, 2015.

Changes, core

Databind

#984: JsonStreamContexts are not build the same way for write.. and convert methods
#989: Deserialization from "{}" to java.lang.Object causes "out of END_OBJECT token" error
#1003: JsonTypeInfo.As.EXTERNAL_PROPERTY does not work with a Delegate
#1004: Synthetic constructors confusing Jackson data binding
#1013: @JsonUnwrapped is not treated as assuming @JsonProperty("")
#1031: Problem with case-insensitive deserialization

Changes, dataformats

Avro

#23: MapWriteContext.createChildObjectContext() should call _schema.getValueType()
#26: Should indicate type that was requested when complaining about Any not being supported
#27: Support serialization of BigDecimal values

CSV

#90: Unexpected output with arrays starting with a null/empty element
#98: Escape char is not being escaped during serialization

XML

#171: @JacksonXmlRootElement malfunction in multi-thread environment
#172: XML INDENT_OUTPUT property fails to add newline/indent initial elements

Changes, datatypes

JDK8

#20: fails to serialize empty Optional with @JsonUnwrapped annotation
#21: Manifest file missing OSGi import for com.fasterxml.jackson.databind.introspect
#23: Fix an NPE for Optional<Boolean> when coercing from empty JSON String
#25: OptionalDoubleSerializer does not override acceptJsonFormatVisitor
#26: @JsonUnwrapped on Optional value does not propagate prefix to schema

Java 8 Date/Time

#50: Instant schema representation is incorrect for timestamps serialization

Changes, other

Jackson jr

#27: JSON.Feature.READ_JSON_ARRAYS_AS_JAVA_ARRAYS does not work