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unable to contact my own server at [http://localhost:44381:44103/]. This usually means that the network is not configured properly.


This usually means that the network is not configured properly.)

最近在学习从SolidWorks导出urdf模型，之后在ros中运行，但是，在运行过程中出现了如下问题：
输入了

roslaunch UR3 display.launch

之后，提是如下错误：

unable to contact my own server at [http://localhost:44381:44103/].
This usually means that the network is not configured properly.
A common cause is that the machine cannot ping itself.  Please check
for errors by running:

	ping localhost

For more tips, please see

	http://www.ros.org/wiki/ROS/NetworkSetup

The traceback for the exception was written to the log file

一开始，我输入了

 export ROS_HOSTNAME=localhost
 export ROS_MASTER_URI=http://robot:44381/

然后并没有用，错误变成了

    ERROR: unable to contact ROS master at [http://robot:44381/]
    The traceback for the exception was written to the log file

之后一顿谷歌，输入

 export ROS_HOSTNAME=localhost

 export ROS_MASTER_URI=http://localhost:11311

问题解决。
记在这里以备后面查阅

本文标签： ServerhttpunableContactlocalhost

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