spark git commit: [SPARKR] Require Java 8 for SparkR

Repository: spark Updated Branches: refs/heads/branch-2.3 1d598b771 -> 7de4bef9e [SPARKR] Require Java 8 for SparkR This change updates the SystemRequirements and also includes a runtime check if the JVM is being launched by R. The runtime check is done by querying `java -version` ## How

spark git commit: [SPARKR] Require Java 8 for SparkR

Repository: spark Updated Branches: refs/heads/master 92f6f52ff -> f27a035da [SPARKR] Require Java 8 for SparkR This change updates the SystemRequirements and also includes a runtime check if the JVM is being launched by R. The runtime check is done by querying `java -version` ## How was