Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/11160#discussion_r52577418
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/CommandBuilderUtils.java ---
@@ -336,4 +334,18 @@ static void addPermGenSizeOpt(List<String> cmd) {
cmd.add("-XX:MaxPermSize=256m");
}
+ /**
+ * Get the major version of the java.version string supplied.
+ */
+ static int javaMajorVersion(String javaVersion) {
+ String[] version = javaVersion.split("[+.\\-]+");
--- End diff --
How about just splitting on non-numbers? It's all kind of a theoretical
difference though. This looks OK.
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