src/java.desktop/share/classes/javax/swing/JEditorPane.java

*** 1194,1204 ****
                  } else {
                      // Will only happen if developer has invoked
                      // registerEditorKitForContentType(type, class, null).
                      c = SwingUtilities.loadSystemClass(classname);
                  }
!                 k = (EditorKit) c.newInstance();
                  kitRegistry.put(type, k);
              } catch (Throwable e) {
                  k = null;
              }
          }
--- 1194,1204 ----
                  } else {
                      // Will only happen if developer has invoked
                      // registerEditorKitForContentType(type, class, null).
                      c = SwingUtilities.loadSystemClass(classname);
                  }
!                 k = (EditorKit) c.getDeclaredConstructor().newInstance();
                  kitRegistry.put(type, k);
              } catch (Throwable e) {
                  k = null;
              }
          }