From a3ceb875c64421ced8e52db6d8e51aec9b758e3e Mon Sep 17 00:00:00 2001
From: WeichenXu <WeichenXu123@outlook.com>
Date: Fri, 20 May 2016 08:17:19 -0500
Subject: [PATCH] [SPARK-15203][DEPLOY] The spark daemon shell script error,
daemon process start successfully but script output fail message
## What changes were proposed in this pull request?
fix the bug:
The spark daemon shell script error, daemon process start successfully but script output fail message
## How was this patch tested?
existing test.
Author: WeichenXu <WeichenXu123@outlook.com>
Closes #13172 from WeichenXu123/fix-spark-15203.
---
sbin/spark-daemon.sh | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/sbin/spark-daemon.sh b/sbin/spark-daemon.sh
index 6ab57df409..5982357112 100755
--- a/sbin/spark-daemon.sh
+++ b/sbin/spark-daemon.sh
@@ -162,6 +162,16 @@ run_command() {
esac
echo "$newpid" > "$pid"
+
+ #Poll for up to 5 seconds for the java process to start
+ for i in {1..10}
+ do
+ if [[ $(ps -p "$newpid" -o comm=) =~ "java" ]]; then
+ break
+ fi
+ sleep 0.5
+ done
+
sleep 2
# Check if the process has died; in that case we'll tail the log so the user can see
if [[ ! $(ps -p "$newpid" -o comm=) =~ "java" ]]; then
--
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