Index: src/main/java/org/apache/jackrabbit/spi2dav/RepositoryServiceImpl.java
===================================================================
--- src/main/java/org/apache/jackrabbit/spi2dav/RepositoryServiceImpl.java	(revision 1720929)
+++ src/main/java/org/apache/jackrabbit/spi2dav/RepositoryServiceImpl.java	(working copy)
@@ -790,6 +790,7 @@
                 if (workspaceName == null) {
                     // login with 'null' workspace name -> retrieve the effective
                     // workspace name from the property and recreate the SessionInfo.
+                    removeClient(sessionInfo);
                     sessionInfo = new SessionInfoImpl(credentials, wspName);
                 } else if (!wspName.equals(workspaceName)) {
                     throw new LoginException("Login failed: Invalid workspace name '" + workspaceName + "'.");