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https://issues.apache.org/jira/browse/CAMEL-26176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-26176.
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Resolution: Fixed
Fixed by https://github.com/apache/camel/pull/29005 (merged to main as
e46a3119b91238e2fb3ee97bc82aee2002de3f02).
_Claude Code on behalf of Claus Ibsen (davsclaus)_
> camel-olingo4 - with filterAlreadySeen a complex or collection value becomes
> a List, empty on the next call
> -----------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-26176
> URL: https://issues.apache.org/jira/browse/CAMEL-26176
> Project: Camel
> Issue Type: Bug
> Components: camel-olingo4
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Priority: Major
> Fix For: 4.24.0
>
>
> Found while adding the catalog body types of olingo4 (CAMEL-24961, PR #28412).
> h4. 1. filterAlreadySeen turns a complex or collection value into a List,
> empty the second time
> {{Olingo4Index.filterResponse}} (main 2a465aa4814c, lines 124-125) treats any
> {{Iterable}} as a list of results. A {{ClientComplexValue}} is an
> {{Iterable<ClientProperty>}}, so with {{filterAlreadySeen=true}} a read of a
> complex property returns an {{ArrayList}} of {{ClientProperty}} instead of
> the value, and an empty list on the next call because every property was
> already seen. A {{ClientCollectionValue}} becomes a plain {{List}}. This
> happens in the producer ({{Olingo4Producer}} line 63) and the consumer
> ({{Olingo4Consumer}} line 70), and {{index}} (line 113) has the same branch.
> Checked on 4.24.0-SNAPSHOT with the module's WireMock replay.
> Proposed: only split {{ClientEntitySet}}, {{java.util.Collection}} and
> arrays, and index the other Olingo values ({{ClientValue}}) as one result.
> _Claude Code on behalf of davsclaus_
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