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android_tutorial_image_transport cannot receive image

asked 2013-03-15 03:20:27 -0600

maoqizhen gravatar image

I run android_tutorial_image_transport on android, but cannot receive image from PC, image node on PC is ok,but logcat says :03-15 13:56:37.209: E/UpdatePublisherRunnable(10447): java.lang.RuntimeException: java.net.UnknownHostException: ubuntu

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I have the same problem as you. Did you find any solution?

aitana gravatar imageaitana ( 2014-07-21 11:33:22 -0600 )edit

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answered 2013-03-17 05:22:22 -0600

LeopoldPodmolík gravatar image

The problem is in translate host name 'ubuntu' ... probaly you haven´t set ROS_IP variable

export ROS_IP=192.168.0.1 ... for example

and maybe too

export ROS_HOSTNAME=ubuntu

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I need to set ros_ip in every terminal, and need to run roscore at the same time, any idea to set ros_ip so I don't need to set it in every terminal ?

maoqizhen gravatar imagemaoqizhen ( 2013-03-19 02:26:10 -0600 )edit

set ROS_IP in .bashrc file in your home folder ;-)

LeopoldPodmolík gravatar imageLeopoldPodmolík ( 2013-03-19 13:47:51 -0600 )edit

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Asked: 2013-03-15 03:20:27 -0600

Seen: 96 times

Last updated: Mar 17 '13