--- old/src/java.base/share/classes/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.java 2016-05-29 18:05:56.918856600 -0700 +++ new/src/java.base/share/classes/sun/reflect/annotation/EnumConstantNotPresentExceptionProxy.java 2016-05-29 18:05:56.726760604 -0700 @@ -45,4 +45,9 @@ protected RuntimeException generateException() { return new EnumConstantNotPresentException(enumType, constName); } + + @Override + public String memberToString() { + return constName + " /* Not present! */"; + } }