diff -r 410fd33a2c81 -r 9f59eeb3cc0f src/jdk.packager/share/classes/jdk/packager/internal/resources/AbstractImageBundler.properties
--- a/src/jdk.packager/share/classes/jdk/packager/internal/resources/AbstractImageBundler.properties	Mon Oct 01 08:44:14 2018 -0400
+++ b/src/jdk.packager/share/classes/jdk/packager/internal/resources/AbstractImageBundler.properties	Mon Oct 01 09:04:49 2018 -0400
@@ -4,9 +4,6 @@
 error.jre-missing-file=Java Runtime does not include {0}
 error.jre-missing-file.advice=Make sure ant is using Oracle JDK 8 or later.
 
-error.empty-user-jvm-option-value=UserJvmOption key ''{0}'' has a null or empty value.
-error.empty-user-jvm-option-value.advice=Provide a value for the key or split the key into a key/value pair.  Such as '-Xmx1G' into '-Xmx' and '1G'.
-
 error.no-application-class=Main application class is missing.
 error.no-application-class.advice=Please specify main application class.
 
@@ -22,4 +19,3 @@
 error.app-cds-no-commercial-unlock=AppCDS Requires Commercial Features to be Unlocked.
 error.app-cds-no-commercial-unlock.advice=Verify you have a license for commercial features for the Oracle Java Runtime the set the bundler argument 'commercialFeatures' to 'true'.
 
-message.jvm-user-arg-is-null=WARNING\: a jvmuserarg has a null name or value.