全,java.lang.IllegalArgumentException: axpy only supports adding to a dense vector but got type class org.apache.flink.ml.math.SparseVectorat org.apache<
at org.apache.flink.api.java.typeutils.TypeExtractor.createHadoopWritableTypeInfo(TypeExtractor.java:2025) at org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1649) at org.apache.flink.api.ja