--- a/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/DocType.java	Wed Jul 05 22:07:34 2017 +0200
+++ b/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/DocType.java	Mon Aug 22 16:32:40 2016 -0700
@@ -29,7 +29,6 @@
 import java.io.Writer;
 
 import jdk.javadoc.internal.doclets.toolkit.Content;
-import jdk.javadoc.internal.doclets.toolkit.util.DocletAbortException;
 import jdk.javadoc.internal.doclets.toolkit.util.DocletConstants;
 
 /**
@@ -73,25 +72,21 @@
      * This method is not supported by the class.
      *
      * @param content content that needs to be added
-     * @throws DocletAbortException this method will always throw a
-     *                              DocletAbortException because it
-     *                              is not supported.
+     * @throws UnsupportedOperationException always
      */
     public void addContent(Content content) {
-        throw new DocletAbortException("not supported");
+        throw new UnsupportedOperationException();
     }
 
     /**
      * This method is not supported by the class.
      *
      * @param stringContent string content that needs to be added
-     * @throws DocletAbortException this method will always throw a
-     *                              DocletAbortException because it
-     *                              is not supported.
+     * @throws UnsupportedOperationException always
      */
     @Override
     public void addContent(CharSequence stringContent) {
-        throw new DocletAbortException("not supported");
+        throw new UnsupportedOperationException();
     }
 
     /**