--- a/test/langtools/jdk/javadoc/doclet/lib/JavadocTester.java	Thu Oct 19 11:45:23 2017 -0700
+++ b/test/langtools/jdk/javadoc/doclet/lib/JavadocTester.java	Thu Oct 19 20:27:47 2017 -0700
@@ -552,7 +552,7 @@
         int prevIndex = -1;
         for (String s : strings) {
             s = s.replace("\n", NL); // normalize new lines
-            int currentIndex = fileString.indexOf(s);
+            int currentIndex = fileString.indexOf(s, prevIndex + 1);
             checking(s + " at index " + currentIndex);
             if (currentIndex == -1) {
                 failed(s + " not found.");