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https://issues.apache.org/jira/browse/CAMEL-25322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-25322.
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Fix Version/s: 4.23.0
Resolution: Fixed
Fixed by https://github.com/apache/camel/pull/27334 (15f193253391).
> camel-bean - a missing Map key says the Map has no such key and lists its keys
> ------------------------------------------------------------------------------
>
> Key: CAMEL-25322
> URL: https://issues.apache.org/jira/browse/CAMEL-25322
> Project: Camel
> Issue Type: Improvement
> Components: camel-bean
> Reporter: Claus Ibsen
> Priority: Minor
> Fix For: 4.23.0
>
>
> Since CAMEL-24916 a dot on a Map reads the key: {{$\{body.orderId\}}} gives
> the value when the key is there. When the key is missing, the bean language
> still adds the hint from before that change:
> {noformat}Failed to invoke method: orderId (the value is a Map: a key is read
> with [orderId], as in ${body[orderId]}, not with .orderId) on the message
> body of type java.util.LinkedHashMap ...{noformat}
> That points the wrong way: the dot form is fine, and {{$\{body[orderId]\}}}
> would just give null. The actual mistake is that the Map has no such key,
> typically because the body is not the Map one thinks: inside a split over an
> order's lines the body is a line ({{sku, qty, price}}), not the order. Found
> in the local-model benchmark (http-client and openapi-client), where the
> model followed the hint and stayed stuck.
> *Proposal:* say what is true and show the keys: {{(the Map has no key
> orderId; its keys are: sku, qty, price)}}, the key list capped (e.g. 20 keys).
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