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Specifying keys via field positions is only valid for tuple data types. Type: GenericType

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Specifying keys via field positions is only valid for tuple data types. Type: GenericType

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Cannot union inputs of different types. Input1=scala.Tuple3(_1: Integer, _2: Long, _3: String), input2=Java Tuple3

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via flink-user by Alexander Alexandrov, 10 months ago
The type returned by the input format could not be automatically determined. Please specify the TypeInformation of the produced type explicitly.

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via Apache's JIRA Issue Tracker by Renkai Ge, 1 year ago
Table program cannot be compiled. This is a bug. Please file an issue.

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The implementation of the FlinkKafkaConsumer09 is not serializable. The object probably contains or references non serializable fields.

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The implementation of the RichCoFlatMapFunction is not serializable. The object probably contains or references non serializable fields.

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