Index: src/main/java/org/apache/jackrabbit/core/fs/db/DatabaseFileSystem.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/fs/db/DatabaseFileSystem.java	(revision 553455)
+++ src/main/java/org/apache/jackrabbit/core/fs/db/DatabaseFileSystem.java	(working copy)
@@ -954,7 +945,9 @@
      */
     protected void initConnection() throws Exception {
         con = getConnection();
-        con.setAutoCommit(true);
+        if(con.getAutoCommit()) {
+            con.setAutoCommit(false);
+        }
     }
 
     /**
Index: src/main/java/org/apache/jackrabbit/core/persistence/db/DatabasePersistenceManager.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/persistence/db/DatabasePersistenceManager.java	(revision 553455)
+++ src/main/java/org/apache/jackrabbit/core/persistence/db/DatabasePersistenceManager.java	(working copy)
@@ -728,7 +715,9 @@
      */
     protected void initConnection() throws Exception {
         con = getConnection();
-        con.setAutoCommit(false);
+        if(con.getAutoCommit()) {
+            con.setAutoCommit(false);
+        }
     }
 
     /**