org.apache.spark.sql.AnalysisException: unresolved operator 'Union;

Stack Overflow | Neel | 7 months ago
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    Spark 1.5.2: org.apache.spark.sql.AnalysisException: unresolved operator 'Union;

    Stack Overflow | 7 months ago | Neel
    org.apache.spark.sql.AnalysisException: unresolved operator 'Union;

    Root Cause Analysis

    1. org.apache.spark.sql.AnalysisException

      unresolved operator 'Union;

      at org.apache.spark.sql.catalyst.analysis.CheckAnalysis$class.failAnalysis()
    2. Spark Project Catalyst
      TreeNode.foreachUp
      1. org.apache.spark.sql.catalyst.analysis.CheckAnalysis$class.failAnalysis(CheckAnalysis.scala:37)
      2. org.apache.spark.sql.catalyst.analysis.Analyzer.failAnalysis(Analyzer.scala:44)
      3. org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$checkAnalysis$1.apply(CheckAnalysis.scala:174)
      4. org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$checkAnalysis$1.apply(CheckAnalysis.scala:49)
      5. org.apache.spark.sql.catalyst.trees.TreeNode.foreachUp(TreeNode.scala:103)
      5 frames