java.lang.RuntimeException: Cannot determine the number of rows because it is not specified in the constructor and the rows RDD is empty.

GitHub | lewismc | 6 months ago
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Root Cause Analysis

  1. java.lang.RuntimeException

    Cannot determine the number of rows because it is not specified in the constructor and the rows RDD is empty.

    at scala.sys.package$.error()
  2. Scala
    1. scala.sys.package$.error(package.scala:27)
    1 frame
  3. Spark Project ML Library
    1. org.apache.spark.mllib.linalg.distributed.RowMatrix.numRows(RowMatrix.scala:77)
    1 frame
  4. esiptestbed.mudrod.utils
    1. esiptestbed.mudrod.utils.MatrixUtil.exportToCSV(
    1 frame
  5. esiptestbed.mudrod.weblog
    1. esiptestbed.mudrod.weblog.pre.ClickStreamGenerator.execute(
    1 frame
  6. esiptestbed.mudrod.discoveryengine
    1. esiptestbed.mudrod.discoveryengine.WeblogDiscoveryEngine.preprocess(
    1 frame
  7. esiptestbed.mudrod.main
    1. esiptestbed.mudrod.main.MudrodEngine.startFullIngest(
    2. esiptestbed.mudrod.main.MudrodEngine.main(
    2 frames