gazebo unable to launch empty world [closed]
hi i am new to ubuntu and ros and i had this error when launching Gazebo, <roslaunch gazebo_worlds="" empty_world.launch="">
Msg Connected to gazebo master @ http://localhost:11345 Error [Transport.cc:102] Unable to get topic namespaces in [50] tries. Error [Node.cc:68] No namespace found X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 154 (GLX) Minor opcode of failed request: 19 (X_GLXQueryServerString) Serial number of failed request: 12 Current serial number in output stream: 12 ^C[gazebo_gui-3] killing on exit [empty_world_server-2] killing on exit [gazebo_gui-3] escalating to SIGTERM [empty_world_server-2] escalating to SIGTERM
not sure what's wrong or how to fix it, please help..
