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https://issues.apache.org/jira/browse/NIFI-7370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe Witt resolved NIFI-7370.
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Resolution: Won't Fix
> Update scripted component documentation about Jython issues
> -----------------------------------------------------------
>
> Key: NIFI-7370
> URL: https://issues.apache.org/jira/browse/NIFI-7370
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Matt Burgess
> Priority: Minor
>
> NIFI-4004 introduced a new default interface method for RecordReaderFactory,
> in order
> to avoid breaking API compatibility for those with custom
> record readers. This exposes the bug in [1] for the Jython script
> engine. At a major release point (NiFi 2.0) we could refactor the NiFi
> codebase to remove the default interface method, update all internal
> implementations, and announce that the LookupService API has changed
> and thus custom implementations would have to be updated. Not sure if
> we can get away with that for minor releases or not, usually breaking
> API compatibility is a no-no except for major releases.
> As was done in NIFI-5995 for ScriptedLookupService, this Jira proposes to
> update the documentation for any other scripted component for which its
> underlying interface has default methods, and also to remove the Jython
> script engine from the allowable values for the Script Engine property. One
> such component is ScriptedReader, but there may be others as well.
> [1] [https://bugs.jython.org/issue2403|https://bugs.jython.org/issue2403]
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