Dmitriy Lyubimov created MAHOUT-1939:
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Summary: fastutil version clash with spark distributions
Key: MAHOUT-1939
URL: https://issues.apache.org/jira/browse/MAHOUT-1939
Project: Mahout
Issue Type: Bug
Reporter: Dmitriy Lyubimov
Priority: Critical
Version difference in fast util breaks sparse algebra (specifically,
RandomAccessSparseVector in assign, e.g., vec *= 5).
observed version in CDH:
file:/opt/cloudera/parcels/CDH-5.9.0-1.cdh5.9.0.p0.21/jars/fastutil-6.3.jar
mahout uses 7.0.12
java.lang.UnsupportedOperationException
at
it.unimi.dsi.fastutil.ints.AbstractInt2DoubleMap$BasicEntry.setValue(AbstractInt2DoubleMap.java:146)
at
org.apache.mahout.math.RandomAccessSparseVector$RandomAccessElement.set(RandomAccessSparseVector.java:235)
at
org.apache.mahout.math.VectorView$DecoratorElement.set(VectorView.java:181)
at org.apache.mahout.math.AbstractVector.assign(AbstractVector.java:536)
at
org.apache.mahout.math.scalabindings.RLikeVectorOps.$div$eq(RLikeVectorOps.scala:45)
...
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