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![error] Only one SparkContext may be running in this JVM](https://img1.daumcdn.net/thumb/R300x0/?fname=https://k.kakaocdn.net/dn/ebOfaV/btqDeTKLR0V/o4jOweSlC1WbahznIvIJB1/img.bmp "error] Only one SparkContext may be running in this JVM")
error] Only one SparkContext may be running in this JVM
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SOLVED: py4j.protocol.Py4JError: org.apache.spark.api.python.PythonUtils.getEncryptionEnabled does not exist in the JVM - Spark by {Examples}
