[FLINK-35633] Add more YAML structure validations & provide better error messages #4172
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…ror messages Signed-off-by: yuxiqian <34335406+yuxiqian@users.noreply.github.com>
Signed-off-by: yuxiqian <34335406+yuxiqian@users.noreply.github.com>
Signed-off-by: yuxiqian <34335406+yuxiqian@users.noreply.github.com>
leonardBang
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Thanks @yuxiqian for the contribution, LGTM
Fluder-Paradyne
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This closes FLINK-35633.
Currently, there's no strong validation over YAML pipeline structure, and mistakes will be silently accepted and ignored, which isn't ideal for debugging.
Early verification and clearer error message would be helpful.