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https://issues.apache.org/jira/browse/BEAM-12578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-12578:
-----------------------------------
Fix Version/s: Not applicable
Assignee: Kenneth Knowles
Resolution: Information Provided
Status: Resolved (was: Open)
> Illegal parameter type: OnWindowExpirationContextParameter
> ----------------------------------------------------------
>
> Key: BEAM-12578
> URL: https://issues.apache.org/jira/browse/BEAM-12578
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Affects Versions: 2.29.0
> Reporter: Stefan Wachter
> Assignee: Kenneth Knowles
> Priority: P3
> Fix For: Not applicable
>
>
> {{OnWindowsExpirationContext}} can not be used as a parameter for {{DoFn}}
> methods annotated by {{@OnWindowExpiration}}. The following exception is
> raised:
> {code:java}
> java.lang.IllegalArgumentException:
> org.opennms.nephron.cortex.PaneAccumulator$PaneCombinerFn: Illegal parameter
> type: OnWindowExpirationContextParameter{}{code}
> As a workaround a parameter of type {{OutputReceiver}} can be used, though.
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