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https://issues.apache.org/jira/browse/CAMEL-23988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-23988.
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Resolution: Fixed
> camel-yaml-dsl - nested-map endpoint parameters (multiValue, CAMEL-22486)
> produce a corrupt URI unless the endpoint URI is scheme-only
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-23988
> URL: https://issues.apache.org/jira/browse/CAMEL-23988
> Project: Camel
> Issue Type: Bug
> Components: camel-yaml-dsl
> Affects Versions: 4.21.0
> Reporter: Federico Mariani
> Assignee: Claus Ibsen
> Priority: Minor
> Fix For: 4.22.0
>
>
> CAMEL-22486 ({{c79eea752fc9}}) made {{YamlDeserializerSupport.asScalarMap()}}
> accept nested MAPPING values so multiValue endpoint options can be written as
> YAML maps. However, in {{YamlSupport.creteEndpointUri}}
> ({{dsl/camel-yaml-dsl/camel-yaml-dsl-common/.../YamlSupport.java:105-125}})
> only the {{scheme.equals(uri)}} branch delegates to {{factory.buildUri()}},
> which correctly flattens Map values via the multiValue prefixes. The other
> two branches — URI with a path (lines 110-122) and no-factory (line 125) —
> pass the map straight to {{URISupport.createQueryString}}, which handles List
> but stringifies Map values with {{toString()}}.
> Failure scenario:
> {code:yaml}
> uri: "jetty:http://0.0.0.0:8080/x";
> parameters:
> filterInitParameters:
> a: 1
> b: 2
> {code}
> produces {{...?filterInitParameters={a=1, b=2}}} — a silently broken endpoint
> URI instead of {{filter.a=1&filter.b=2}} (or an error).
> Note the RAW-secret wrapping in lines 112-120 already duplicates part of
> {{EndpointUriFactorySupport.buildQueryParameters}} and has drifted by exactly
> this missing flattening step — consolidating on the factory path where
> possible would prevent further drift. Related inconsistency:
> {{YamlSupport.creteEndpointUri(String, Node)}} (scheme-keyed endpoint form,
> lines 210-219) still rejects non-scalar parameter values, so the map syntax
> works under {{uri:}}/{{parameters:}} but not in the compact scheme-keyed form.
> _Filed by Claude Code on behalf of Croway._
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