Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/22289#discussion_r214233802
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/AbstractCommandBuilder.java ---
@@ -200,6 +200,7 @@ void addOptionString(List<String> cmd, String options) {
addToClassPath(cp, getenv("HADOOP_CONF_DIR"));
addToClassPath(cp, getenv("YARN_CONF_DIR"));
+ addToClassPath(cp, getEffectiveConfig().get("spark.yarn.conf.dir"));
--- End diff --
I'm wondering how do we update the classpath to change to another hadoop
confs with InProcessLauncher? Seems the classpath here is not changeable after
JVM is launched.
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