[jira] [Assigned] (IGNITE-6315) Exception during DistributedRegressionExample (ML)

["Yury Babak (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-6315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yury Babak reassigned IGNITE-6315:
----------------------------------

    Assignee: Yury Babak

> Exception during DistributedRegressionExample (ML)
> --------------------------------------------------
>
>                 Key: IGNITE-6315
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6315
>             Project: Ignite
>          Issue Type: Bug
>          Components: general
>    Affects Versions: 2.1
>            Reporter: Ilya Suntsov
>            Assignee: Yury Babak
>             Fix For: 2.3
>
>
> When I tried to start {noformat}examples/src/main/ml/org/apache/ignite/examples/ml/math/regression/DistributedRegressionExample.java{noformat}
> I got exception:
> {noformat}
> >>> Ignite grid started.
> >>> Create new SparseDistributedMatrix inside IgniteThread.
> >>> Create new linear regression object
> Exception in thread "SparseDistributedMatrixExample-#36%null%" class org.apache.ignite.ml.math.exceptions.UnsupportedOperationException: Unsupported operation.
> 	at org.apache.ignite.ml.math.impls.matrix.SparseDistributedMatrix.likeVector(SparseDistributedMatrix.java:146)
> 	at org.apache.ignite.ml.math.util.MatrixUtil.likeVector(MatrixUtil.java:87)
> 	at org.apache.ignite.ml.regressions.AbstractMultipleLinearRegression.newSampleData(AbstractMultipleLinearRegression.java:126)
> 	at org.apache.ignite.ml.regressions.OLSMultipleLinearRegression.newSampleData(OLSMultipleLinearRegression.java:96)
> 	at org.apache.ignite.examples.ml.math.regression.DistributedRegressionExample.lambda$main$0(DistributedRegressionExample.java:115)
> 	at org.apache.ignite.examples.ml.math.regression.DistributedRegressionExample$$Lambda$1/600958416.run(Unknown Source)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}



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