src/java.logging/share/classes/java/util/logging/Level.java

@@ -77,12 +77,17 @@
 
 public class Level implements java.io.Serializable {
     private static final String defaultBundle =
         "sun.util.logging.resources.logging";
 
-    private static final JavaUtilResourceBundleAccess RB_ACCESS =
+    // Calling SharedSecrets.getJavaUtilResourceBundleAccess()
+    // forces the initialization of ResourceBundle.class, which
+    // can be too early if the VM has not finished booting yet.
+    private static final class RbAccess {
+        static final JavaUtilResourceBundleAccess RB_ACCESS =
         SharedSecrets.getJavaUtilResourceBundleAccess();
+    }
 
     /**
      * @serial  The non-localized name of the level.
      */
     private final String name;

@@ -284,11 +289,11 @@
     private String computeLocalizedLevelName(Locale newLocale) {
         // Resource bundle should be loaded from the defining module
         // or its defining class loader, if it's unnamed module,
         // of this Level instance that can be a custom Level subclass;
         Module module = this.getClass().getModule();
-        ResourceBundle rb = RB_ACCESS.getBundle(resourceBundleName,
+        ResourceBundle rb = RbAccess.RB_ACCESS.getBundle(resourceBundleName,
                 newLocale, module);
 
         final String localizedName = rb.getString(name);
         final boolean isDefaultBundle = defaultBundle.equals(resourceBundleName);
         if (!isDefaultBundle) return localizedName;