Index: src/java/org/apache/jackrabbit/server/simple/dav/LocatorFactoryImpl.java
===================================================================
--- src/java/org/apache/jackrabbit/server/simple/dav/LocatorFactoryImpl.java	(revision 159040)
+++ src/java/org/apache/jackrabbit/server/simple/dav/LocatorFactoryImpl.java	(working copy)
@@ -85,6 +85,9 @@
         }
 
         public String getHref(boolean isCollection) {
+            if (itemPath.equals("/")) {
+                return prefix + itemPath;
+            }
             return prefix + itemPath + (isCollection ? "/" : "");
         }
 
Index: src/java/org/apache/jackrabbit/server/simple/WebdavServlet.java
===================================================================
--- src/java/org/apache/jackrabbit/server/simple/WebdavServlet.java	(revision 159040)
+++ src/java/org/apache/jackrabbit/server/simple/WebdavServlet.java	(working copy)
@@ -69,6 +69,10 @@
         super.init();
 
 	resourcePathPrefix = getInitParameter(INIT_PARAM_RESOURCE_PATH_PREFIX);
+        if (resourcePathPrefix == null ||
+            resourcePathPrefix.equals("/")) {
+            resourcePathPrefix = "";
+        }
 	log.info(INIT_PARAM_RESOURCE_PATH_PREFIX + " = " + resourcePathPrefix);
 
 	lockManager = new SimpleLockManager();