[ros-users] [Discourse.ros.org] [General] Please help! trouble install ros indigo on rasberry

[Aankin Wang]

i am trying to install the desktop version. everything goes fine until i use this command line : 
 rosdep install --from-paths src --ignore-src --rosdistro indigo -y -r --os=debian:jessie
it keeps told me this: 
ERROR: the following rosdeps failed to install
  apt: command [sudo -H apt-get install -y gazebo7] failed
  apt: Failed to detect successful installation of [gazebo7]
and if try to install it by:  sudo -H apt-get install -y gazebo7
it gives me:
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 gazebo7 : Depends: libgazebo7 (= 7.0.0+dfsg-2osrf1~jessie1) but it is not going to be installed
           Depends: libsdformat4 but it is not going to be installed
           Depends: libtbb2 but it is not installable
           Recommends: gazebo7-plugin-base but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
  very urgent, what should i do???






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