[8.x] ESQL: Fail with 500 not 400 for ValueExtractor bugs (#126296) #126388
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In case of wrong layouts of ESQL's operators, it can happen that ValueExtractor.extractorFor encounters a data type mismatch. Currently, this throws IllegalArgumentException, which is treated like a user exception and triggers a 400 response. We need to return a 500 status code for such errors; this is also important for observability of ES clusters, which can normally use 500 responses as an indicator of a bug. Throw IllegalStateException instead, it's close enough.
alex-spies
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:Analytics/ES|QL
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Backports the following commits to 8.x: