java.lang.AssertionError: assertion failed: lapack.dppsv returned 4.

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via Stack Overflow by user3121900
, 10 months ago
via GitHub by krasserm
, 10 months ago
assertion failed: timeout (20 seconds) while expecting 2 messages (got 0)
via java.net Bugzilla by jlexau, 1 year ago
java.lang.AssertionError: assertion failed: lapack.dppsv returned 4.
at scala.Predef$.assert(Predef.scala:170)
at org.apache.spark.ml.optim.WeightedLeastSquares.fit(WeightedLeastSquares.scala:140)
at org.apache.spark.ml.regression.LinearRegression.train(LinearRegression.scala:181)
at org.apache.spark.ml.regression.LinearRegression.train(LinearRegression.scala:70)
at org.apache.spark.ml.Predictor.fit(Predictor.scala:90)
at org.apache.spark.ml.Predictor.fit(Predictor.scala:71)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:237)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:280)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:214)
at java.lang.Thread.run(Unknown Source)

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