> Hey Tien, > > I've never seen a 'Directory access failure' warning message before. From a > quick google search I found this page: > > http://www.mathworks.com/support/solutions/en/data/1-18KUW/index.html?product=ML&solution=1-18KUW > > It seems like you didn't compile ipc or it's not in your path..."libipc.so: > cannot open shared object file: No such file or directory." > > Can you run 'locate libipc.so'? Is it found? > Yes, I can found it in the terminal: /opt/ros/diamondback/stacks/ipc-bridge/ipc_bridge_stack/ipc/lib/libipc.so And also have it in Matlab path: >> which libipc.so /opt/ros/diamondback/stacks/ipc-bridge/ipc_bridge_stack/ipc/lib/libipc.so > Did you run 'rosmake ipc_bridge_ros' ? > Yes, I even remaked it again but I still got the error Warning: Directory access failure: /bin/bash. > In path at 110 In addpath at 87 In example_publisher at 9 Warning: Name is nonexistent or not a directory: rospack. > In path at 110 In addpath at 87 In example_publisher at 9 Warning: Name is nonexistent or not a directory: command not found/bin. > In path at 110 In addpath at 87 In example_publisher at 9 ??? Invalid MEX-file '/opt/ros/diamondback/stacks/ipc-bridge/ipc_msgs/ipc_geometry_msgs/bin/geometry_msgs_Twist.mexa64': libipc.so: cannot open shared object file: No such file or directory. Error in ==> example_publisher at 13 pid=geometry_msgs_Twist('connect','publisher','example_module','twist'); > > > -- ben > > > -- Tien Thanh Nguyen