diff --git a/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java b/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java
index e1908a2c4b6..058f1467f7d 100644
--- a/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java
+++ b/contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java
@@ -41,6 +41,7 @@ import org.apache.lucene.search.highlight.QueryScorer;
 import org.apache.lucene.search.highlight.SimpleHTMLFormatter;
 import org.apache.lucene.search.highlight.TextFragment;
 import org.apache.lucene.search.highlight.TokenSources;
+import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
 import org.apache.lucene.store.Directory;
 
 
@@ -238,7 +239,7 @@ public abstract class ReadTask extends PerfTask {
     return false;
   }
 
-  protected int doHighlight(TokenStream ts, String text,  Highlighter highlighter, boolean mergeContiguous, int maxFragments) throws IOException {
+  protected int doHighlight(TokenStream ts, String text,  Highlighter highlighter, boolean mergeContiguous, int maxFragments) throws IOException, InvalidTokenOffsetsException {
     TextFragment[] frag = highlighter.getBestTextFragments(ts, text, mergeContiguous, maxFragments);
     return frag != null ? frag.length : 0;
   }
diff --git a/contrib/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/CountingHighlighterTestTask.java b/contrib/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/CountingHighlighterTestTask.java
index 1bce22acccf..f5031a0292d 100644
--- a/contrib/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/CountingHighlighterTestTask.java
+++ b/contrib/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/CountingHighlighterTestTask.java
@@ -21,6 +21,7 @@ import org.apache.lucene.benchmark.byTask.PerfRunData;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.search.highlight.Highlighter;
 import org.apache.lucene.search.highlight.TextFragment;
+import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.index.IndexReader;
 
@@ -46,11 +47,9 @@ public class CountingHighlighterTestTask extends SearchTravRetHighlightTask {
     return document;
   }
 
-  protected int doHighlight(TokenStream ts, String text,  Highlighter highlighter, boolean mergeContiguous, int maxFragments) throws IOException {
+  protected int doHighlight(TokenStream ts, String text,  Highlighter highlighter, boolean mergeContiguous, int maxFragments) throws IOException, InvalidTokenOffsetsException {
     TextFragment[] frag = highlighter.getBestTextFragments(ts, text, mergeContiguous, maxFragments);
     numHighlightedResults += frag != null ? frag.length : 0;
     return frag != null ? frag.length : 0;
   }
-
-
 }
\ No newline at end of file