--- a/server/sqlutils.py	Tue Mar 09 19:39:50 2010 +0100
+++ b/server/sqlutils.py	Tue Mar 09 19:59:44 2010 +0100
@@ -173,21 +173,29 @@
         return cnx
 
     def backup_to_file(self, backupfile):
-        for cmd in self.dbhelper.backup_commands(self.dbname, self.dbhost,
-                                                 self.dbuser, backupfile,
-                                                 dbport=self.dbport,
-                                                 keepownership=False):
+        for cmd in self.dbhelper.backup_commands(backupfile=backupfile,
+                                                 keepownership=False,
+                                                 dbname=self.dbname,
+                                                 dbhost=self.dbhost,
+                                                 dbuser=self.dbuser,
+                                                 dbport=self.dbport):
             if _run_command(cmd):
                 if not confirm('   [Failed] Continue anyway?', default='n'):
                     raise Exception('Failed command: %s' % cmd)
 
     def restore_from_file(self, backupfile, confirm, drop=True):
-        for cmd in self.dbhelper.restore_commands(self.dbname, self.dbhost,
-                                                  self.dbuser, backupfile,
-                                                  self.encoding,
+        if 'dbencoding' in self.dbhelper.restore_commands.im_func.func_code.co_varnames:
+            kwargs = {'dbencoding': self.encoding}
+        else:
+            kwargs = {'encoding': self.encoding}
+        for cmd in self.dbhelper.restore_commands(backupfile=backupfile,
+                                                  keepownership=False,
+                                                  drop=drop,
+                                                  dbname=self.dbname,
+                                                  dbhost=self.dbhost,
+                                                  dbuser=self.dbuser,
                                                   dbport=self.dbport,
-                                                  keepownership=False,
-                                                  drop=drop):
+                                                  **kwargs):
             if _run_command(cmd):
                 if not confirm('   [Failed] Continue anyway?', default='n'):
                     raise Exception('Failed command: %s' % cmd)

--- a/web/views/authentication.py	Tue Mar 09 19:39:50 2010 +0100
+++ b/web/views/authentication.py	Tue Mar 09 19:59:44 2010 +0100
@@ -114,8 +114,11 @@
                 login, authinfo = retreiver.authentication_information(req)
             except NoAuthInfo:
                 continue
-            cnx = self._authenticate(req, login, authinfo)
-            break
+            try:
+                cnx = self._authenticate(req, login, authinfo)
+                break
+            except ExplicitLogin:
+                continue # the next one may succeed
         else:
             raise ExplicitLogin()
         for retreiver_ in self.authinforetreivers:
@@ -124,7 +127,6 @@
 
     def _authenticate(self, req, login, authinfo):
         # remove possibly cached cursor coming from closed connection
-        clear_cache(req, 'cursor')
         cnxprops = ConnectionProperties(self.vreg.config.repo_method,
                                         close=False, log=self.log_queries)
         try: