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https://issues.apache.org/jira/browse/SYSTEMML-2511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-2511.
------------------------------------
Resolution: Fixed
Assignee: Matthias Boehm
Fix Version/s: SystemML 1.3
> Classcast exception in bitset estimator on large data
> -----------------------------------------------------
>
> Key: SYSTEMML-2511
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2511
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Priority: Major
> Fix For: SystemML 1.3
>
>
> A previous refactoring to reuse synopsis, created an issue of incorrectly
> allocating BitsetMatrix1 (the default option, independent of the input size).
> {code}
> Caused by: java.lang.ClassCastException:
> org.apache.sysml.hops.estim.EstimatorBitsetMM$BitsetMatrix1 cannot be cast to
> org.apache.sysml.hops.estim.EstimatorBitsetMM$BitsetMatrix2
> at
> org.apache.sysml.hops.estim.EstimatorBitsetMM$BitsetMatrix2.matMultIntern(EstimatorBitsetMM.java:474)
> at
> org.apache.sysml.hops.estim.EstimatorBitsetMM$BitsetMatrix.matMult(EstimatorBitsetMM.java:172)
> at
> org.apache.sysml.hops.estim.EstimatorBitsetMM.estimInternal(EstimatorBitsetMM.java:99)
> at
> org.apache.sysml.hops.estim.EstimatorBitsetMM.estim(EstimatorBitsetMM.java:71)
> {code}
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