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fix for exception while running sparklens with event history file in spark 2.4.0 and above. #42

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@mayurdb mayurdb commented Jul 19, 2019

  • Sparklens is compiled against spark 2.0.0
  • Spark 2.0.0 has a dependency on json4s 3.2.11 wherein Spark 2.4.0 onwards json4s 3.5.3 is used
  • In the later version the method definition of org.json4s.JsonMethods.parse() has changed
  • Fix uses reflection to resolve this backward incompatibility

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