[NO ISSUE][OTH] Fix sample cluster version check for latest Java 10

Change-Id: I51b93524d3ea1d342d48851d97ab21a2a9cb6720
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2904
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ian Maxon <imaxon@apache.org>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/asterixdb/asterix-server/src/main/opt/local/bin/start-sample-cluster.sh b/asterixdb/asterix-server/src/main/opt/local/bin/start-sample-cluster.sh
index 944351d..51d25cb 100755
--- a/asterixdb/asterix-server/src/main/opt/local/bin/start-sample-cluster.sh
+++ b/asterixdb/asterix-server/src/main/opt/local/bin/start-sample-cluster.sh
@@ -39,7 +39,7 @@
   export JAVA_HOME
 fi
 
-export JAVA_VERSION=$(java -version 2>&1 | head -1 | awk '{ print $NF }' | tr -d '"')
+export JAVA_VERSION=$(java -version 2>&1 | head -1 | awk '{ print $3 }' | tr -d '"')
 case $JAVA_VERSION in
   1.8*|1.9*|10*|11*)
     ;;