Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/21849#discussion_r210121238
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/InProcessAppHandle.java ---
@@ -63,6 +71,7 @@ synchronized void start(String appName, Method main,
String[] args) {
main.invoke(null, (Object) args);
} catch (Throwable t) {
LOG.log(Level.WARNING, "Application failed with exception.", t);
+ error = t;
--- End diff --
Might be good to special-case `InvocationTargetException` and avoid one
level of wrapping which is probably not useful to anyone.
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