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From "Prasann modi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-17588) java.lang.AssertionError: assertion failed: lapack.dppsv returned 105. when running glm using gaussian link function.
Date Wed, 19 Oct 2016 06:15:58 GMT

    [ https://issues.apache.org/jira/browse/SPARK-17588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15587813#comment-15587813
] 

Prasann modi commented on SPARK-17588:
--------------------------------------

Hi Sean,

Can u help me to resolve this issue..
please check,I have commented bellow..

Thanks & Regards,
Prasann Modi


> java.lang.AssertionError: assertion failed: lapack.dppsv returned 105. when running glm
using gaussian link function.
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-17588
>                 URL: https://issues.apache.org/jira/browse/SPARK-17588
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML, SparkR
>    Affects Versions: 2.0.0
>            Reporter: sai pavan kumar chitti
>            Assignee: Sean Owen
>            Priority: Minor
>
> hi, 
> i am getting java.lang.AssertionError error when running glm, using gaussian link function,
on a dataset with 109 columns and  81318461 rows
> Below is the call trace. Can someone please tell me what the issues is related to and
how to go about resolving it. Is it because native acceleration is not working as i am also
seeing following warning messages.
> WARN netlib.BLAS: Failed to load implementation from: com.github.fommil.netlib.NativeRefBLAS
> WARN netlib.LAPACK: Failed to load implementation from: com.github.fommil.netlib.NativeSystemLAPACK
> WARN netlib.LAPACK: Failed to load implementation from: com.github.fommil.netlib.NativeRefLAPACK
> 16/09/17 13:08:13 ERROR r.RBackendHandler: fit on org.apache.spark.ml.r.GeneralizedLinearRegressionWrapper
failed
> Error in invokeJava(isStatic = TRUE, className, methodName, ...) : 
>   java.lang.AssertionError: assertion failed: lapack.dppsv returned 105.
>         at scala.Predef$.assert(Predef.scala:170)
>         at org.apache.spark.mllib.linalg.CholeskyDecomposition$.solve(CholeskyDecomposition.scala:40)
>         at org.apache.spark.ml.optim.WeightedLeastSquares.fit(WeightedLeastSquares.scala:140)
>         at org.apache.spark.ml.regression.GeneralizedLinearRegression.train(GeneralizedLinearRegression.scala:265)
>         at org.apache.spark.ml.regression.GeneralizedLinearRegression.train(GeneralizedLinearRegression.scala:139)
>         at org.apache.spark.ml.Predictor.fit(Predictor.scala:90)
>         at org.apache.spark.ml.Predictor.fit(Predictor.scala:71)
>         at org.apache.spark.ml.Pipeline$$anonfun$fit$2.apply(Pipeline.scala:149)
>         at org.apache.spark.ml.Pipeline$$anonfun$fit$2.apply(Pipeline.scala:145)
>         at scala.collection.Iterator$class.foreach(Iterator.scala:893)
>         at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
>         at scala.collection.IterableViewLike$Transformed$class.foreach(IterableViewLike.sc
> thanks,
> pavan.



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