我正试图用DataSet的将Iris ParserError NUMERIC_VALUE_ILLEGAL_CHARACTER读入flink,并不断地获取ParserError NUMERIC_VALUE_ILLEGAL_CHARACTERorg.apache.flink.api.common.io.ParseException: Line could not be parsed: '5.4, 3.0, 4.5, 1.5, 2'
ParserError NUMERIC_VALUE_ILLEGAL<