Use openjdk:11-oracle with 2.1

Author: rjeberhard

Dockerfile

@@ -9,7 +9,7 @@
 # Pull base image
 # From the Docker store
 # -------------------------
-FROM openjdk:12-oracle
+FROM openjdk:11-oracle
 RUN yum -y install openssl && yum clean all
 
 # Maintainer

src/scripts/operator.sh

@@ -65,7 +65,7 @@ cp /operator/logstash.conf /logs/logstash.conf
 # the logstash container/pod.
 
 # Container memory optimizaton flags
-HEAP="-XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -XX:MaxRAMFraction=1 -XshowSettings:vm"
+HEAP="-XX:+UnlockExperimentalVMOptions -XX:MaxRAMFraction=1 -XshowSettings:vm"
 
 # Start operator
 java $HEAP $MOCKING_WLS $DEBUG $LOGGING -jar /operator/weblogic-kubernetes-operator.jar &