Problem with Indigo and Gazebo 2.2

I have a problem with Gazebo 2.2. When I launch gazebo, I see this error :~$ gazebo Gazebo multi-robot simulator, version 2.2.3 Copyright (C) 2012-2014 Open Source Robotics Foundation. Released under the Apache 2 License. http://gazebosim.org Msg Waiting for master Gazebo multi-robot simulator, version 2.2.3 Copyright (C) 2012-2014 Open Source Robotics Foundation. Released under the Apache 2 License. http://gazebosim.org Msg Waiting for master Msg Connected to gazebo master @ http://127.0.0.1:11345 Msg Publicized address: 192.168.1.152 Msg Connected to gazebo master @ http://127.0.0.1:11345 Msg Publicized address: 192.168.1.152 Warning [ModelDatabase.cc:334] Getting models from[http://gazebosim.org/models/]. This may take a few seconds. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Warning [gazebo.cc:215] Waited 1seconds for namespaces. Error [gazebo.cc:220] Waited 11 seconds for namespaces. Giving up. Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Node.cc:90] No namespace found Error [Param.cc:181] Unable to set value [1,0471975511965976] for key[horizontal_fov] Error [Param.cc:181] Unable to set value [0,100000001] for key[near] How Can I solve? Thanks