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Posted to issues@beam.apache.org by "Kenneth Knowles (JIRA)" <ji...@apache.org> on 2019/05/09 07:54:00 UTC

[jira] [Commented] (BEAM-7247) DoFnSignatures analysis of @ProcessElement with @Element fails when Java SDK is used from Kotlin

    [ https://issues.apache.org/jira/browse/BEAM-7247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16836174#comment-16836174 ] 

Kenneth Knowles commented on BEAM-7247:
---------------------------------------

Unsure exactly how things are getting weird, but sure Kotlin has its own Iterable: https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-iterable/index.html

> DoFnSignatures analysis of @ProcessElement with @Element fails when Java SDK is used from Kotlin
> ------------------------------------------------------------------------------------------------
>
>                 Key: BEAM-7247
>                 URL: https://issues.apache.org/jira/browse/BEAM-7247
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Kenneth Knowles
>            Assignee: Reuven Lax
>            Priority: Major
>
> https://stackoverflow.com/questions/55908999/kotlin-iterable-not-supported-in-apache-beam/55911859#55911859
> https://gist.github.com/marcoslin/e1e19afdbacac9757f6974592cfd8d7f#file-stack-trace-txt



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