Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/715#discussion_r12515152
--- Diff: core/src/main/scala/org/apache/spark/executor/Executor.scala ---
@@ -259,19 +238,30 @@ private[spark] class Executor(
}
case t: Throwable => {
- val serviceTime = System.currentTimeMillis() - taskStart
- val metrics = attemptedTask.flatMap(t => t.metrics)
- for (m <- metrics) {
- m.executorRunTime = serviceTime
- m.jvmGCTime = gcTime - startGCTime
- }
- val reason = ExceptionFailure(t.getClass.getName, t.toString,
t.getStackTrace, metrics)
- execBackend.statusUpdate(taskId, TaskState.FAILED,
ser.serialize(reason))
+ // Attempt to exit cleanly by informing the driver of our
failure.
+ // If anything goes wrong (or this was a fatal exception), we
will delegate to
+ // the default uncaught exception handler, which will terminate
the Executor.
+ try {
+ logError("Exception in task ID " + taskId, t)
+
+ val serviceTime = System.currentTimeMillis() - taskStart
+ val metrics = attemptedTask.flatMap(t => t.metrics)
+ for (m <- metrics) {
+ m.executorRunTime = serviceTime
+ m.jvmGCTime = gcTime - startGCTime
+ }
+ val reason = ExceptionFailure(t.getClass.getName, t.toString,
t.getStackTrace, metrics)
+ execBackend.statusUpdate(taskId, TaskState.FAILED,
ser.serialize(reason))
- // TODO: Should we exit the whole executor here? On the one
hand, the failed task may
- // have left some weird state around depending on when the
exception was thrown, but on
- // the other hand, maybe we could detect that when future tasks
fail and exit then.
- logError("Exception in task ID " + taskId, t)
+ // Don't forcibly exit unless the exception was inherently
fatal, to avoid
+ // stopping other tasks unnecessarily.
+ if (Utils.isFatalError(t)) {
+ ExecutorUncaughtExceptionHandler.uncaughtException(t)
+ }
+ } catch {
+ case t2: Throwable =>
+ ExecutorUncaughtExceptionHandler.uncaughtException(t2)
--- End diff --
Actually just realized we basically already have that comment, just
interpreted in a different way :)
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