--- a/jdk/src/jdk.jartool/share/classes/sun/tools/jar/resources/jar.properties	Tue Oct 25 12:58:34 2016 -0700
+++ b/jdk/src/jdk.jartool/share/classes/sun/tools/jar/resources/jar.properties	Tue Oct 25 13:51:08 2016 -0700
@@ -99,16 +99,19 @@
         entry: {0}, is an isolated nested class
 error.validator.new.public.class=\
         entry: {0}, contains a new public class not found in base entries
-error.validator.identical.entry=\
-        warning - entry: {0} contains a class that is identical to an entry already in the jar
 error.validator.incompatible.class.version=\
         entry: {0}, has a class version incompatible with an earlier version
 error.validator.different.api=\
         entry: {0}, contains a class with different api from earlier version
-error.validator.resources.with.same.name=\
-         warning - entry: {0}, multiple resources with same name
 error.validator.names.mismatch=\
          entry: {0}, contains a class with internal name {1}, names do not match
+warn.validator.identical.entry=\
+        warning - entry: {0} contains a class that is identical to an entry already in the jar
+warn.validator.resources.with.same.name=\
+         warning - entry: {0}, multiple resources with same name
+warn.validator.concealed.public.class=\
+         warning - entry {0} is a public class in a concealed package, \n\
+         placing this jar on the class path will result in incompatible public interfaces
 out.added.manifest=\
         added manifest
 out.added.module-info=\