From 39e414b6807f3b68dd79054059c11c57a370ca1e Mon Sep 17 00:00:00 2001
From: xcaspar <x.caspar@gmail.com>
Date: Mon, 1 May 2017 21:46:22 +0800
Subject: [PATCH] chore(collector): add a check for process id in startup
 script

---
 .../bin/collector-service.sh                     | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/apm-collector/apm-collector-worker/bin/collector-service.sh b/apm-collector/apm-collector-worker/bin/collector-service.sh
index 542bc6117..e6e1f9c37 100644
--- a/apm-collector/apm-collector-worker/bin/collector-service.sh
+++ b/apm-collector/apm-collector-worker/bin/collector-service.sh
@@ -24,10 +24,14 @@ echo "Starting collector...."
 eval exec "\"$_RUNJAVA\" ${JAVA_OPTS} -classpath $CLASSPATH CollectorBootStartUp \
         2>${COLLECTOR_LOGS_DIR}/collector.log 1> /dev/null &"
 
-if [ $? -eq 0 ]; then
-    sleep 1
-	echo "Collector started successfully!"
-else
-	echo "Collector started failure!"
-	exit 1
+retval=$?
+pid=$!
+FAIL_MSG="Collector started failure!"
+SUCCESS_MSG="Collector started successfully!"
+[ ${retval} -eq 0 ] || (echo ${FAIL_MSG}; exit ${retval})
+sleep 1
+if ! ps -p ${pid} > /dev/null ; then
+    echo ${FAIL_MSG}
+    exit 1
 fi
+echo ${SUCCESS_MSG}