Federico Mariani created CAMEL-24064:
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Summary: camel-jackson3: type converter drops all but the last
configured Jackson module and transformers let JacksonException escape unwrapped
Key: CAMEL-24064
URL: https://issues.apache.org/jira/browse/CAMEL-24064
Project: Camel
Issue Type: Bug
Components: camel-jackson
Affects Versions: 4.19.0
Reporter: Federico Mariani
Two regressions from the Jackson 2 to Jackson 3 port (CAMEL-22857) in
camel-jackson3:
1. {{JacksonTypeConverters.resolveObjectMapper()}}: when
{{CamelJacksonTypeConverterModuleClassNames}} contains multiple module class
names, each loop iteration replaces the mapper with a fresh
{{JsonMapper.builder().addModule(module).build()}}, so only the last module
ends up registered. camel-jackson (Jackson 2) accumulates all modules via
{{registerModule}}.
2. {{JsonStructDataTypeTransformer}} and {{JsonPojoDataTypeTransformer}} were
not migrated to Jackson 3's unchecked {{JacksonException}} (their catch clauses
still reference {{IOException}}, which Jackson 3 read/write calls no longer
throw). Malformed JSON therefore escapes as a raw {{JacksonException}} instead
of being wrapped in {{CamelExecutionException}} with the exchange attached, as
{{JsonDataTypeTransformer}} already does.
Note: camel-jackson3 was introduced in 4.19.0, so the fix only applies to main
(no 4.18.x backport).
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