Matching compile-time and run-time type information in Java external transforms
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fn-execution
improvement
java
P3
- Dominant language
- Java
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Description
Output type annotation by Java external transform API only checks compile-time type correctness. Expansion service is solely responsible for run-time type correctness. It would be great if we match both information at pipeline construction time so that preventing pipeline failing in runners after 10 hours.
Imported from Jira [BEAM-9048](https://issues.apache.org/jira/browse/BEAM-9048). Original Jira may contain additional context.
Reported by: heejong.
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