src/jdk.incubator.jpackage/macosx/classes/jdk/incubator/jpackage/internal/resources/postinstall.template

@@ -1,6 +1,7 @@
 #!/usr/bin/env sh
 
 chown root:wheel "INSTALL_LOCATION"
 chmod a+rX "INSTALL_LOCATION"
+chmod +r "APP_LOCATION/"*.jar
 
 exit 0