--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/transaction/DefaultTransactionManager.java	Tue Mar 17 14:08:40 2015 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/transaction/DefaultTransactionManager.java	Fri Mar 20 15:35:53 2015 +0900
@@ -55,19 +55,19 @@
       }
 
     };
-    System.out.println("transaction");
-      InterfaceTraverser traverser = new InterfaceTraverser(newRoot, true);
-      traverser.createIndex();
-      TreeMap<String, TreeMap<String, TreeMap<TreeNode, TreeNode>>> index = traverser.getIndex();
-      ParentIndex parentIndex = traverser.getParentIndex();
-      TreeContext newTreeContext = new DefaultTreeContext(newRoot , tip, list, uuid, _treeName, nextRevision,index,parentIndex.getParentIndex());
+
+    InterfaceTraverser traverser = new InterfaceTraverser(newRoot, true);
+    traverser.createIndex();
+    TreeMap<String, TreeMap<String, TreeMap<TreeNode, TreeNode>>> index = traverser.getIndex();
+    ParentIndex parentIndex = traverser.getParentIndex();
+    TreeContext newTreeContext = new DefaultTreeContext(newRoot , tip, list, uuid, _treeName, nextRevision,index,parentIndex.getParentIndex());
 
     if  (repository.compareAndSet(newTreeContext.prev(),newTreeContext)) {
         TransactionManager txManager = new DefaultTransactionManager(writer, newTreeContext, repository, uuid);
         return DefaultEither.newB(txManager);
     }
 
-      return DefaultEither.newA((Error) new DefaultError());
+    return DefaultEither.newA((Error) new DefaultError());
   }
 
   @Override