static {
specialClasses.put("org.apache.spark.repl.Main", "spark-shell");
specialClasses.put(
"org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver", "spark-internal");
specialClasses.put(
"org.apache.spark.sql.hive.thriftserver.HiveThriftServer2", "spark-internal");
}
private void constructEnvVarArgs(Map<String, String> env, String submitArgsEnvVariable)
throws IOException {
mergeEnvPathList(
env,
getLibPathEnvName(),
getEffectiveConfig().get(SparkLauncher.DRIVER_EXTRA_LIBRARY_PATH));
StringBuilder submitArgs = new StringBuilder();
for (String arg : buildSparkSubmitArgs()) {
if (submitArgs.length() > 0) {
submitArgs.append(" ");
}
submitArgs.append(quoteForCommandString(arg));
}
env.put(submitArgsEnvVariable, submitArgs.toString());
}
private List<String> buildSparkRCommand(Map<String, String> env) throws IOException {
if (!appArgs.isEmpty() && appArgs.get(0).endsWith(".R")) {
System.err.println(
"Running R applications through 'sparkR' is not supported as of Spark 2.0.\n"
+ "Use ./bin/spark-submit <R file>");
System.exit(-1);
}
// When launching the SparkR shell, store the spark-submit arguments in the SPARKR_SUBMIT_ARGS
// env variable.
constructEnvVarArgs(env, "SPARKR_SUBMIT_ARGS");
// Set shell.R as R_PROFILE_USER to load the SparkR package when the shell comes up.
String sparkHome = System.getenv("SPARK_HOME");
env.put(
"R_PROFILE_USER",
join(File.separator, sparkHome, "R", "lib", "SparkR", "profile", "shell.R"));
List<String> args = new ArrayList<>();
args.add(firstNonEmpty(System.getenv("SPARKR_DRIVER_R"), "R"));
return args;
}