Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/20462#discussion_r165253103 --- Diff: launcher/src/main/java/org/apache/spark/launcher/InProcessAppHandle.java --- @@ -66,7 +66,7 @@ synchronized void start(String appName, Method main, String[] args) { setState(State.FAILED); } - disconnect(); + dispose(); --- End diff -- The order in which the connection is closed. `waitForClose` will wait for the connection to be closed by the remote side (the finished app) before closing it itself, like disconnect does.
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