diff --git a/Dockerfile b/Dockerfile
index b093136..669c13f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM openjdk:8-jdk-alpine
+FROM eclipse-temurin:11.0.15_10-jre-alpine
 LABEL maintainer="TIBCO Software Inc."
 ADD . /
 RUN chmod 755 /scripts/*.sh && apk update && apk add unzip openssh net-tools
diff --git a/reducedStartupTime/setup.sh b/reducedStartupTime/setup.sh
index 039bdeb..09a6335 100644
--- a/reducedStartupTime/setup.sh
+++ b/reducedStartupTime/setup.sh
@@ -167,7 +167,7 @@ checkEnvSubstituteConfig()
 
 	if [[ ${BW_JAVA_OPTS} ]]; then
 		if [ -e ${bwappnodeTRA} ]; then
-			sed -i.bak "/java.extended.properties/s/$/ ${BW_JAVA_OPTS}/" $bwappnodeTRA
+			sed -i.bak "/java.extended.properties/s/$/ ${BW_JAVA_OPTS}/" $bwappnodeTRA 2> /dev/null
 			print_Debug "Appended $BW_JAVA_OPTS to java.extend.properties"
 		fi
 	fi
@@ -362,7 +362,7 @@ checkJAVAHOME()
 	if [[ ${JAVA_HOME}  ]]; then
 		print_Debug $JAVA_HOME
 	else
-		export JAVA_HOME=$BWCE_HOME/tibco.home/tibcojre64/1.8.0
+		export JAVA_HOME=$BWCE_HOME/tibco.home/tibcojre64/11
 	fi
 }
 
diff --git a/scripts/setup.sh b/scripts/setup.sh
index 6fd5294..078a885 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -159,7 +159,7 @@ checkEnvSubstituteConfig()
 	fi
 	if [[ ${BW_JAVA_OPTS} ]]; then
 		if [ -e ${bwappnodeTRA} ]; then
-			sed -i.bak "/java.extended.properties/s/$/ ${BW_JAVA_OPTS}/" $bwappnodeTRA
+			sed -i.bak "/java.extended.properties/s/$/ ${BW_JAVA_OPTS}/" $bwappnodeTRA 2> /dev/null
 			print_Debug "Appended $BW_JAVA_OPTS to java.extend.properties"
 		fi
 	fi
@@ -359,7 +359,7 @@ checkJAVAHOME()
 		if [[ ${JAVA_HOME}  ]]; then
  			print_Debug $JAVA_HOME
  		else
- 			export JAVA_HOME=$BWCE_HOME/tibco.home/tibcojre64/1.8.0
+ 			export JAVA_HOME=$BWCE_HOME/tibco.home/tibcojre64/11
  		fi
 }