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https://issues.apache.org/jira/browse/CAMEL-25330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18123246#comment-18123246
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Claus Ibsen commented on CAMEL-25330:
-------------------------------------
The hint is not JSON-only: it names the data format from the Content-Type
header, the file name (json/xml/csv), or the first character of the text ({ or
[ for json, < for xml): unmarshal: json, unmarshal: jacksonXml (or xpath),
unmarshal: csv (useMaps: true for a Map per row). When nothing tells, it lists
the choices: the data format of the payload (json, jacksonXml, csv, ...). PR
https://github.com/apache/camel/pull/27359
_Claude Code on behalf of davsclaus_
> camel-groovy - a property read on a body that is still text says to unmarshal
> it first
> --------------------------------------------------------------------------------------
>
> Key: CAMEL-25330
> URL: https://issues.apache.org/jira/browse/CAMEL-25330
> Project: Camel
> Issue Type: Improvement
> Components: camel-groovy
> Reporter: Claus Ibsen
> Priority: Minor
>
> A Groovy expression that reads fields of the body, such as {{body.find {
> it.sku == headers.sku }}}, fails when the body is still the text of the
> payload (a byte[] or a String holding JSON), because Groovy then iterates the
> bytes or characters:
> {noformat}groovy.lang.MissingPropertyException: No such property: sku for
> class: java.lang.Byte (the script variables are exchange, message, body,
> headers, ...){noformat}
> The hint lists the script variables, which are fine; the cause is that the
> body was not unmarshalled. Found in the local-model benchmark (round 4,
> contracts/openapi-server step 1): the model left out the unmarshal (or wrote
> marshal) before a Groovy lookup, in 2 of 5 runs, and got this message.
> Proposal: when the missing property was looked up on a Byte, Character or
> String and the message body is a byte[] or a String, the hint says: the body
> is still text (a byte[]), not parsed data: unmarshal it first (unmarshal:
> json for JSON) to read its fields.
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