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https://issues.apache.org/jira/browse/CAMEL-24882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-24882.
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Resolution: Fixed
> camel-jbang - say that a script returning 'resource:file:x' returns the text,
> not the file (validator hint and error diagnose)
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-24882
> URL: https://issues.apache.org/jira/browse/CAMEL-24882
> Project: Camel
> Issue Type: Improvement
> Components: camel-jbang
> Reporter: Claus Ibsen
> Priority: Minor
> Fix For: 4.23.0
>
>
> The {{resource:}} prefix is resolved on the text of an expression:
> {{constant: "resource:file:order.json"}} makes the file's content the body,
> {{simple: "resource:file:${...}"}} picks the file per message, {{groovy:
> "resource:file:script.groovy"}} loads the script. A value *returned* by a
> script is never resolved. In the camel-jbang-mcp stepwise benchmark
> (transform/groovy, "pick the file by the timer counter") the local model wrote
> {code}
> - setBody:
> expression:
> groovy: |
> def counter = exchange.getProperty('CamelTimerCounter', Integer) ?: 0
> counter == 0 ? 'resource:file:order.json' :
> 'resource:file:order-bad-email.json'
> - unmarshal:
> json:
> library: Jackson
> {code}
> so the body became the text {{resource:file:order.json}} and the unmarshal
> failed with {{Unrecognized token 'resource'}}; two of five runs recovered by
> reading the log, one did not. Nothing at write time or run time says what
> happened.
> Two deterministic hints, no change to how {{resource:}} works:
> * validator (camel validate, camel_write_file): a script expression (groovy,
> jq, ...) whose text holds a quoted {{'resource:file:}} /
> {{"resource:classpath:}} literal gets: "a script that returns
> 'resource:file:x' returns that text; to load a file as the body write
> constant: \"resource:file:x\", or simple: \"resource:file:${...}\" for a name
> chosen per message"
> * camel_error_diagnose: a JSON/XML parse failure whose body is a string
> starting with {{resource:}} gets the same explanation.
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