Brian Hulette created BEAM-12911:
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Summary: 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
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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