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2014-09-22 13:36:41 -0500	commented question	How to start gazebo using roscore & rosrun gazebo_ros gazebo? Yes, re-install fixed the problem. It must be my own error as others have not experienced this. I will keep an eye out for any similar problems. thanks for your investigation. Do I need to credit you or close the question?
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2014-09-17 19:37:54 -0500	commented answer	libgazebo_transport.so.4: cannot open sudo apt-get autoremove gazebo4, removed a lot. Reinstalled gazebo 1.9 as before and have many errors. I am redoing a fresh install of ROS hydro and gazebo 1.9, hopefully no errors, I will report.
2014-09-17 14:54:50 -0500	commented answer	libgazebo_transport.so.4: cannot open trying sudo apt-get autoremove gazebo4. reinstalling gazebo 1.9 now. Perhaps gazebo4 is automatically installed with hydro full desktop install.
2014-09-17 13:48:01 -0500	commented answer	libgazebo_transport.so.4: cannot open not intentional. perhaps this was unintentionally installed during my first install, not sure how. What is the proper way to remove gazebo4? Should I remove it and my current install, then reinstall gazebo 1.9, or may I be able to just remove gazebo4 without an uninstall of 1.9?
2014-09-17 10:06:00 -0500	asked a question	libgazebo_transport.so.4: cannot open Did uninstall and reinstall of gazebo 1.9 source. Running hydro, ubuntu 12.04. Tried launching `pioneer3at demo_navigation_gmapping.launch` and received the following error: `/home/daniel/ros/hydro/catkin/devel/lib/pioneer3at/gazebo_bridge: error while loading shared libraries: libgazebo_transport.so.4: cannot open shared object file: No such file or directory` I could not locate the file: `libgazebo_transport.so.4` Where is this file suppose to live?
2014-09-15 10:55:56 -0500	commented question	How to start gazebo using roscore & rosrun gazebo_ros gazebo? Thanks for investigating scpeters. Do you suggest I try a reinstall? Though, this will not be so helpful for the next lad that confronts this same problem, which could be me again.
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2014-09-12 16:45:21 -0500	commented question	How to start gazebo using roscore & rosrun gazebo_ros gazebo? It looks like a similar error for rosrun gazebo_ros gazebo and roslaunch gazebo_ros empty_world.launch
2014-09-12 08:39:38 -0500	received badge	● Editor (source)
2014-09-11 04:20:30 -0500	asked a question	How to start gazebo using roscore & rosrun gazebo_ros gazebo? I am unable to start gazebo with the following command: `roscore & rosrun gazebo_ros gazebo` this produces the following: `terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc` Yet, I am able to start gazebo using roscore, gzserver and gzclient in separate terminals. Running ROS hydro, ubuntu 12.04. P.S. Also posted this on ROS forum here: link text edit 1 `roslaunch gazebo_ros empty_world.launch` produces the following: PARAMETERS * /rosdistro * /rosversion * /use_sim_time NODES / gazebo (gazebo_ros/gzserver) gazebo_gui (gazebo_ros/gzclient) auto-starting new master process[master]: started with pid [2049] ROS_MASTER_URI=http://localhost:11311 setting /run_id to c42a8666-375c-11e4-8516-08002748e08d process[rosout-1]: started with pid [2062] started core service [/rosout] process[gazebo-2]: started with pid [2065] process[gazebo_gui-3]: started with pid [2079] terminate called after throwing an instance of 'std::bad_alloc' what(): std::bad_alloc Aborted (core dumped) [gazebo-2] process has died [pid 2065, exit code 134, cmd /opt/ros/hydro/lib/gazebo_ros/gzserver /opt/ros/hydro/share/hector_gazebo_worlds/worlds/rolling_landscape_120m.world __name:=gazebo __log:=/home/usr/.ros/log/c42a8666-375c-11e4-8516-08002748e08d/gazebo-2.log]. log file: /home/usr/.ros/log/c42a8666-375c-11e4-8516-08002748e08d/gazebo-2.log edit 2* For backtrace I type: `gdb gzserver empty_world.launch` Then the following appears: GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http: gnu.org="" licenses="" gpl.html=""> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http: bugs.launchpad.net="" gdb-linaro=""/>... Reading symbols from /usr/local/bin/gzserver...done. /home/daniel/empty_world.launch: No such file or directory. (gdb) Then I type: run The following appears: Starting program: /usr/local/bin/gzserver warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffe200f700 (LWP 2754)] [New Thread 0x7fffe180e700 (LWP 2755)] [New Thread 0x7fffe100d700 (LWP 2756)] [New Thread 0x7fffd3fff700 (LWP 2757)] [New Thread 0x7fffd1064700 (LWP 2758)] [New Thread 0x7fffd0863700 (LWP 2759)] [New Thread 0x7fffc9d55700 (LWP 2760)] [New Thread 0x7fffc9554700 (LWP 2761)] [New Thread 0x7fffc8731700 (LWP 2762)] [New Thread 0x7fffbbfff700 (LWP 2763)] [New Thread 0x7fffbb7fe700 (LWP 2764)] [New Thread 0x7fffbaffd700 (LWP 2765)] [New Thread 0x7fffba7fc700 (LWP 2766)] And never goes to segfault. edit 3 I run the following: `rosrun gazebo_ros debug` This produces: GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http: gnu.org="" licenses="" gpl.html=""> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http: bugs.launchpad.net="" gdb-linaro=""/>... Reading symbols from /usr/local/bin/gzserver...done. warning: no loadable ... (more)