Index: src/java/org/apache/nutch/analysis/CommonGrams.java
===================================================================
--- src/java/org/apache/nutch/analysis/CommonGrams.java	(revision 411768)
+++ src/java/org/apache/nutch/analysis/CommonGrams.java	(working copy)
@@ -135,6 +135,10 @@
 
   /** Construct using the provided config file. */
   private void init(Configuration conf) {
+    if (conf.getObject(CommonGrams.class.getName()) != null) {
+      COMMON_TERMS = (HashMap) conf.getObject(CommonGrams.class.getName());
+      return;
+    }
     try {
       Reader reader = conf.getConfResourceAsReader
         (conf.get("analysis.common.terms.file"));
@@ -167,6 +171,7 @@
         }
         table.add(gram);
       }
+      conf.setObject(CommonGrams.class.getName(), COMMON_TERMS);
     } catch (IOException e) {
       throw new RuntimeException(e.toString());
     }