Index: contrib/benchmark/src/java/org/apache/lucene/benchmark/standard/StandardBenchmarker.java
===================================================================
--- contrib/benchmark/src/java/org/apache/lucene/benchmark/standard/StandardBenchmarker.java	(revision 499944)
+++ contrib/benchmark/src/java/org/apache/lucene/benchmark/standard/StandardBenchmarker.java	(working copy)
@@ -13,6 +13,7 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Arrays;
+import java.util.Locale;
 
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.standard.StandardAnalyzer;
@@ -66,7 +67,7 @@
 
     public static final String INDEX_DIR = "index";
     //30-MAR-1987 14:22:36.87
-    private static DateFormat format = new SimpleDateFormat("dd-MMM-yyyy kk:mm:ss.SSS");
+    private static DateFormat format = new SimpleDateFormat("dd-MMM-yyyy kk:mm:ss.SSS",Locale.US);
     //DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT);
     static{
         format.setLenient(true);
Index: contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/ReutersDocMaker.java
===================================================================
--- contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/ReutersDocMaker.java	(revision 499944)
+++ contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask/feeds/ReutersDocMaker.java	(working copy)
@@ -24,6 +24,8 @@
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.Locale;
+
 import org.apache.lucene.document.DateTools;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
@@ -54,7 +56,7 @@
       throw new RuntimeException("No txt files in dataDir: "+dataDir.getAbsolutePath());
     }
     // date format: 30-MAR-1987 14:22:36.87
-    dateFormat = new SimpleDateFormat("dd-MMM-yyyy kk:mm:ss.SSS");
+    dateFormat = new SimpleDateFormat("dd-MMM-yyyy kk:mm:ss.SSS",Locale.US);
     dateFormat.setLenient(true);
   }