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https://issues.apache.org/jira/browse/BEAM-5526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17052159#comment-17052159
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Ismaël Mejía commented on BEAM-5526:
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Noted above, for reference the umbrella ticket for Java 11 is BEAM-2530
> Make ByteBuddyDoFnInvokerFactory injection strategy configurable + drop the
> singleton
> -------------------------------------------------------------------------------------
>
> Key: BEAM-5526
> URL: https://issues.apache.org/jira/browse/BEAM-5526
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Romain Manni-Bucau
> Priority: Major
>
> org.apache.beam.sdk.transforms.reflect.DoFnInvokers + DoFnInvokerFactory
> design is to be a SPI to let user plug their own bytecode manipulation
> library, however in practise beam uses ByteBuddyDoFnInvokerFactory as a
> singleton which makes all this design useless.
> ByteBuddyDoFnInvokerFactory is also not configurable at all - typically the
> injection strategy so it assumes it runs in an environment and on a JVM where
> it will work - it does not on java 11 for instance.
> This ticket is about fixing all these small inconsistency and blocker to tun
> on java 11.
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