Index: src/java/org/apache/lucene/search/BooleanQuery.java
===================================================================
--- src/java/org/apache/lucene/search/BooleanQuery.java	(revision 475016)
+++ src/java/org/apache/lucene/search/BooleanQuery.java	(working copy)
@@ -176,10 +176,11 @@
 
   private class BooleanWeight implements Weight {
     protected Similarity similarity;
-    protected Vector weights = new Vector();
+    protected Vector weights;
 
     public BooleanWeight(Searcher searcher)
       throws IOException {
+      this.weights = new Vector(clauses.size());
       this.similarity = getSimilarity(searcher);
       for (int i = 0 ; i < clauses.size(); i++) {
         BooleanClause c = (BooleanClause)clauses.elementAt(i);