Jackson Release 2.7.4

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Tatu Saloranta edited this page Mar 4, 2021 · 21 revisions

Patch version of 2.7, released on April 29, 2016. Following fixes were included.

Changes, core

Streaming

#209: Make use of _allowMultipleMatches in FilteringParserDelegate

Databind

#1178: @JsonSerialize(contentAs=superType) behavior disallowed in 2.7
#1186: SimpleAbstractTypeResolver breaks generic parameters
#1189: Converter called twice results in ClassCastException
#1191: Non-matching quotes used in error message for date parsing
#1194: Incorrect signature for generic type via `JavaType.getGenericSignature
#1195: JsonMappingException not Serializable due to 2.7 reference to source (parser)
#1198: Problem with @JsonTypeInfo.As.EXTERNAL_PROPERTY, defaultImpl, missing type id, NPE

Changes, dataformats

Avro

#39: Byte arrays are represented as strings in generated avro schema

XML

#178: Problem with polymorphic serialization, inclusion type of As.WRAPPER_OBJECT, extra tag
#190: Ensure that defaults for XMLInputFactory have expansion of external parsed general entities disabled
#191: Strange behaviour of an empty item (but with whitespace between start/end tags) in List

Changes, datatypes

JDK8

#31: Support @JsonSerialize(contentUsing=) and @JsonDeserialize(contentUsing=) for Optional
#34: Fix OptionalSerializer.isEmpty() from an incorrect class cast exception

Java 8 Date

#68: Handle JSON serialized Dates from JavaScript in LocalDateTimeDeserializer
#76: Use InvalidFormatException for deserialization parse failures

Changes, JAX-RS

#80: Non-JSON providers don't support custom MIME types with extensions

Changes, other modules

Afterburner

#4: Serialization with Afterburner causes Java VerifyError for generic with String as type

Mr Bean

#8: Problem with Optional<T>, AtomicReference<T> valued properties

Parameter Names (Java 8)

#33: Calls to Executable.getParameters() should guard against MalformedParametersException

Scala module

#252: Upgrade Option support to use ReferenceType