On Fri, Jul 9, 2021 at 4:08 PM Tyler Williams <tyler_willi...@sbcglobal.net>
wrote:
> I'm not sure what you mean by "actual type definition".
>
> The specific code being used for writing would be the
> PersistentCollectionSerializer, which, from what I can gather, converts the
> value to be serialized into a java.util version and then sends that to an
> instance of CollectionSerializer. The ObjectMapper's encoding is set by
> jackson-security modules for spring security. There are no custom
> serializers or deserializers for this enum or the "ContainerType" object.
>
What I mean is I'd need a reproduction, including ContainterType.
Sounds like Enum is simple on its own, but code to read and write (actual
code, not description) would be needed.
And from `PersistentCollectionSerializer` it sounds like this is for
Hibernate types, handled by jackson-datatype-hibernate[version].
>From your description I think the use case should be fine (and would pass
if using plain old java.util.ArrayList for example) but I suspect that
Hibernate Collection handling (by Jackson module) is where there is
something missing, compared to how standard
CollectionSerializer/-Deserializer does things. This would relate to
polymorphic handling of values.
-+ Tatu +-
>
> Tyler
>
> On Friday, July 9, 2021 at 5:13:08 PM UTC-5 Tatu Saloranta wrote:
>
>> On Fri, Jul 9, 2021 at 2:56 PM Tyler Williams
>> <tyler_w...@sbcglobal.net> wrote:
>> >
>> > "testTypes": [
>> > "java.util.HashSet",
>> > [
>> > [
>> > "com.company.core.TestType",
>> > "SCREENING_1"
>> > ],
>> > [
>> > "com.company.core.TestType",
>> > "SCREENING_2"
>> > ],
>> > [
>> > "com.company.core.TestType",
>> > "SCREENING_3"
>> > ]
>> > ]
>> > ],
>> >
>> > The above is a serialized HashSet using the As.Property typing on the
>> ObjectMapper. I believe this is correct behavior because these enums are in
>> the Set and this is what As.Property does in this situation.
>> > The problem I'm having is that the same ObjectMapper that wrote that
>> JSON can't deserialize it.
>> > com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot
>> deserialize value of type `com.company.core.TestType` from String
>> "com.company.core.TestType": not one of the values accepted for Enum class:
>> [SCREENING_1, SCREENING_2, SCREENING_3]
>> > at [Source:
>> (byte[])"["java.util.ArrayList",[{"@class":"com.company.ContainerType","id":1,"testTypes":["java.util.HashSet",[["company.core.TestType","SCREENING_1"],["company.core.TestType","SCREENING_2"],["company.core.TestType","SCREENING_3"]]],"shipDestinationTypes":["java.util.HashSet",[["com.company.mod"[truncated
>> 19402 bytes]; line: 1, column: 229] (through reference chain:
>> java.util.ArrayList[0]->com.company.ContainerType["testTypes"]->java.util.HashSet[0])
>>
>> >
>> com.fasterxml.jackson.databind.exc.InvalidFormatException.from(InvalidFormatException.java:67)
>>
>> >
>> com.fasterxml.jackson.databind.DeserializationContext.weirdStringException(DeserializationContext.java:1851)
>>
>> >
>> com.fasterxml.jackson.databind.DeserializationContext.handleWeirdStringValue(DeserializationContext.java:1079)
>>
>> >
>> com.fasterxml.jackson.databind.deser.std.EnumDeserializer._deserializeAltString(EnumDeserializer.java:327)
>>
>> >
>> com.fasterxml.jackson.databind.deser.std.EnumDeserializer._fromString(EnumDeserializer.java:214)
>>
>> >
>> com.fasterxml.jackson.databind.deser.std.EnumDeserializer.deserialize(EnumDeserializer.java:188)
>>
>> >
>> com.fasterxml.jackson.databind.deser.std.StdDeserializer._deserializeWrappedValue(StdDeserializer.java:368)
>>
>> >
>> com.fasterxml.jackson.databind.deser.std.StdDeserializer._deserializeFromArray(StdDeserializer.java:215)
>>
>> >
>> com.fasterxml.jackson.databind.deser.std.EnumDeserializer._deserializeOther(EnumDeserializer.java:337)
>>
>> >
>> com.fasterxml.jackson.databind.deser.std.EnumDeserializer.deserialize(EnumDeserializer.java:201)
>>
>> >
>> com.fasterxml.jackson.databind.deser.std.CollectionDeserializer._deserializeFromArray(CollectionDeserializer.java:347)
>>
>> >
>> > My guess from looking at this stuff through the debugger is that the
>> SimpleType of the enum doesn't create a typedeseriealizer and thus we just
>> deserialize the enum by calling EnumDeserializer.deserialize() instead of
>> EnumDeserializer.deserializeWithType(). Is there a configuration that I'm
>> missing?
>>
>> I think you are correct on most points, but to know for sure I'd need
>> to see the actual type definition (not description, definition),
>> as well as specific code being used for writing and reading.
>>
>> My guess is that there is a discrepancy between type information
>> available during reading and writing.
>>
>> -+ Tatu +-
>>
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