Repository: spark
Updated Branches:
  refs/heads/branch-1.3 170af49bb -> a3493eb77


SPARK-4300 [CORE] Race condition during SparkWorker shutdown

Close appender saving stdout/stderr before destroying process to avoid 
exception on reading closed input stream.
(This also removes a redundant `waitFor()` although it was harmless)

CC tdas since I think you wrote this method.

Author: Sean Owen <so...@cloudera.com>

Closes #4787 from srowen/SPARK-4300 and squashes the following commits:

e0cdabf [Sean Owen] Close appender saving stdout/stderr before destroying 
process to avoid exception on reading closed input stream


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/a3493eb7
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/a3493eb7
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/a3493eb7

Branch: refs/heads/branch-1.3
Commit: a3493eb77a0aa7d3048e657459ebaa22e98ccf0c
Parents: 170af49
Author: Sean Owen <so...@cloudera.com>
Authored: Thu Feb 26 14:08:56 2015 -0800
Committer: Sean Owen <so...@cloudera.com>
Committed: Fri Mar 13 17:54:31 2015 +0000

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 .../scala/org/apache/spark/deploy/worker/ExecutorRunner.scala     | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/spark/blob/a3493eb7/core/src/main/scala/org/apache/spark/deploy/worker/ExecutorRunner.scala
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diff --git 
a/core/src/main/scala/org/apache/spark/deploy/worker/ExecutorRunner.scala 
b/core/src/main/scala/org/apache/spark/deploy/worker/ExecutorRunner.scala
index 2ec10f8..a3ec803 100644
--- a/core/src/main/scala/org/apache/spark/deploy/worker/ExecutorRunner.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/worker/ExecutorRunner.scala
@@ -86,14 +86,13 @@ private[spark] class ExecutorRunner(
     var exitCode: Option[Int] = None
     if (process != null) {
       logInfo("Killing process!")
-      process.destroy()
-      process.waitFor()
       if (stdoutAppender != null) {
         stdoutAppender.stop()
       }
       if (stderrAppender != null) {
         stderrAppender.stop()
       }
+      process.destroy()
       exitCode = Some(process.waitFor())
     }
     worker ! ExecutorStateChanged(appId, execId, state, message, exitCode)


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