src/share/classes/java/text/DateFormatSymbols.java

*** 686,696 ****
--- 686,705 ----
              adapter = LocaleProviderAdapter.getResourceBundleBased();
              break;
          }
          ResourceBundle resource = adapter.getLocaleData().getDateFormatData(locale);
  
+         // JRE and CLDR use different keys
+         // JRE: Eras, short.Eras and narrow.Eras
+         // CLDR: long.Eras, Eras and narrow.Eras
+         if (resource.containsKey("Eras")) {
              eras = resource.getStringArray("Eras");
+         } else if (resource.containsKey("long.Eras")) {
+             eras = resource.getStringArray("long.Eras");
+         } else if (resource.containsKey("short.Eras")) {
+             eras = resource.getStringArray("short.Eras");
+         }
          months = resource.getStringArray("MonthNames");
          shortMonths = resource.getStringArray("MonthAbbreviations");
          ampms = resource.getStringArray("AmPmMarkers");
          localPatternChars = resource.getString("DateTimePatternChars");