Fallback to GenericRow#5180
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Earthson wants to merge 1 commit into
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Can one of the admins verify this patch? |
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Thanks for looking at this. Wouldn't it work if we just add a no-arg ctor to GenericRowWithSchema? |
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@rxin, not work, because we also need no-arg ctor for StructType, also StructFields, and so on? Is this what we really want to do? I do not really understand how Kryo works. I've added a no-arg ctor for GenericRowWithSchema, then I got the same Exception for StructType. |
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Mind putting the JIRA number in the title and labeling this with [SQL]? |
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FYI I think this is the solution I was referring to: #5191 |
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https://issues.apache.org/jira/browse/SPARK-6465
Cause: com.esotericsoftware.kryo.KryoException: Class cannot be created (missing no-arg constructor): org.apache.spark.sql.catalyst.expressions.GenericRowWithSchema
I can't register GenericRowWithSchema and make a no-arg constructor, StructType would cause this exception, too.
Fallback to GenericRow.