Jon McLean created SPARK-20615:
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Summary: SparseVector.argmax throws IndexOutOfBoundsException when
the sparse vector has a size greater than zero but no elements defined.
Key: SPARK-20615
URL: https://issues.apache.org/jira/browse/SPARK-20615
Project: Spark
Issue Type: Bug
Components: ML, MLlib
Affects Versions: 2.1.0
Reporter: Jon McLean
Priority: Minor
org.apache.spark.ml.linalg.SparseVector.argmax throws an
IndexOutOfRangeException when the vector size is greater than zero and no
values are defined. The toString() representation of such a vector is "
(100000,[],[])". This is because the argmax function tries to get the value at
indexes(0) without checking the size of the array.
Code inspection reveals that the mllib version of SparseVector should have the
same issue.
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