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Posted to dev@johnzon.apache.org by "Steven Walters (JIRA)" <ji...@apache.org> on 2019/08/07 13:30:00 UTC

[jira] [Created] (JOHNZON-227) Serialization error when Adapter/Converter changes "arrayity" of type

Steven Walters created JOHNZON-227:
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             Summary: Serialization error when Adapter/Converter changes "arrayity" of type
                 Key: JOHNZON-227
                 URL: https://issues.apache.org/jira/browse/JOHNZON-227
             Project: Johnzon
          Issue Type: Bug
          Components: Mapper
    Affects Versions: 1.1.13
            Reporter: Steven Walters
         Attachments: johnzon-mapper-byte-array-to-hex.zip

When using an Adapter on a data type field where the "arrayity" of the field changes, such as the case of `byte[]` to `String` adapter (such as serializing binary as hexadecimal instead of base64)
Mapper works without issue when deserializing/reading the data, but causes an IllegalArgumentException "This is not an array" when attempting to serialize the object.
This seems to be related to how the mapper reader caches the field's "arrayity" and does not expect/allow it to be changed by an adapter/converter.

Small junit suite that reproduces the functioning deserialization and failing serialization is attached.



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