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https://issues.apache.org/jira/browse/CAMEL-25751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen reassigned CAMEL-25751:
-----------------------------------
Assignee: Claus Ibsen
> camel-platform-http-vertx, camel-file - a Map or List body says to marshal it
> first when it is the HTTP reply or written to a file
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-25751
> URL: https://issues.apache.org/jira/browse/CAMEL-25751
> Project: Camel
> Issue Type: Improvement
> Components: camel-file, camel-platform-http-vertx
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Priority: Major
> Fix For: 4.24.0
>
>
> A body that is a Map or a List (unmarshalled from JSON, or built as a map)
> fails when it is the reply of a platform-http route, and when the file
> producer writes it, and the message names only the conversion:
> {noformat}
> NoTypeConversionAvailableException: No type converter available to convert
> from type: java.util.LinkedHashMap to the required type: java.io.InputStream
> {noformat}
> CAMEL-25309 gave the http producer a sentence for the same case ("a Map is
> not an HTTP request body: marshal it to JSON first (marshal: json) or set the
> body to the JSON text"). The reply and the file write should say the same:
> * camel-platform-http-vertx:
> {{VertxPlatformHttpSupport.writeResponseAsFallback}} - a Map is not an HTTP
> response body: marshal it to JSON first (marshal: json) as the last step of
> the route, or let the REST binding write it (bindingMode: json).
> * camel-file: {{FileOperations.storeFile}} - a Map is not file content:
> marshal it first (marshal: json), or set the body to the text.
> Found in the r17 series of the local-model benchmark (2026-10-17/18): 5 of
> the 17 runs that hit a body type collision failed at these two places (3
> platform-http replies, 2 file writes), and all 5 failed the step. The
> validator reports the static cases (CAMEL-24844, PR 28047); this is the
> runtime side, which CAMEL-25749 later moves onto the shared helper.
> _Filed by Claude Code on behalf of davsclaus_
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