Github user aarondav commented on a diff in the pull request: https://github.com/apache/spark/pull/2609#discussion_r18316319 --- Diff: core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala --- @@ -233,8 +244,15 @@ private[spark] class Worker( } else { try { logInfo("Asked to launch executor %s/%d for %s".format(appId, execId, appDesc.name)) + + // Create the executor's working directory + val executorDir = new File(workDir, appId + "/" + execId) + if (!executorDir.mkdirs()) { + throw new IOException("Failed to create directory " + executorDir) --- End diff -- I just realized that the ExecutorStateChanged here does not give any indication of what happened. Would you mind setting the message to `Some(e.toString)`. This will include the Exception's class and message, but not stack trace, which seems reasonable.
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