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https://issues.apache.org/jira/browse/CAMEL-24232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18098057#comment-18098057
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Claus Ibsen commented on CAMEL-24232:
-------------------------------------
Fixed via https://github.com/apache/camel/pull/24996
> ProcessorTransformer does not copy variables to transform exchange
> ------------------------------------------------------------------
>
> Key: CAMEL-24232
> URL: https://issues.apache.org/jira/browse/CAMEL-24232
> Project: Camel
> Issue Type: Bug
> Components: camel-core
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Priority: Minor
> Fix For: 4.22.0
>
>
> {{ProcessorTransformer.transform()}} creates a copy of the exchange for the
> transform processor but does not copy variables from the original exchange.
> {code:java}
> Exchange transformExchange = new DefaultExchange(exchange);
> transformExchange.setIn(message);
> transformExchange.getExchangeExtension().setProperties(exchange.getProperties());
> processor.process(transformExchange);
> {code}
> It copies:
> * Headers: yes (via {{setIn(message)}})
> * Exchange properties: yes (via {{setProperties}})
> * Variables: *no*
> If the transform processor references {{$\{variable.xxx\}}}, it will get
> {{null}} instead of the actual value.
> Found while investigating CAMEL-24231 (same class of bug: incomplete data
> copy to a scratch exchange).
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