[jira] [Assigned] (BEAM-12911) Errors hydrating beam:coder:row:v1 should indicate the problematic field

["Brian Hulette (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-12911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brian Hulette reassigned BEAM-12911:
------------------------------------

    Assignee: Brian Hulette

> Errors hydrating beam:coder:row:v1 should indicate the problematic field
> ------------------------------------------------------------------------
>
>                 Key: BEAM-12911
>                 URL: https://issues.apache.org/jira/browse/BEAM-12911
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-core, sdk-py-core
>            Reporter: Brian Hulette
>            Assignee: Brian Hulette
>            Priority: P2
>
> When creating beam:coder:row:v1 instances, both the Java SDK and Python SDK can fall back to use Python- or Java- native coders (e.g. beam:logical:javasdk:v1). This can be problematic in multi-language pipelines, where these types are almost never understood by the other SDK(s).
> This leads to obtuse, non-actionable error messages, like:
> {code}
> ValueError: No logical type registered for URN 'beam:logical_type:javasdk:v1'
> {code}
> We should modify coder hydration logic in both Java and Python to identify the field that has an issue, so the user may have a change to understand and resolve it.



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