reset master node index if index value is not valid

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@229 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/client/dispatcher.py

@@ -69,6 +69,10 @@ class Dispatcher(Thread):
                 app.local_var.node_not_ready = 0
                 if app.primary_master_node is None:
                     # Try with master node defined in config
+                    try:
+                        addr, port = app.master_node_list[master_index].split(':')                        
+                    except IndexError:
+                        master_index = 0
                         addr, port = app.master_node_list[master_index].split(':')
                     port = int(port)
                 else: