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https://issues.apache.org/jira/browse/CAMEL-24064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on CAMEL-24064 started by Federico Mariani.
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> 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
> Assignee: Federico Mariani
> Priority: Major
>
> 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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