ROS1 运行出现了奇怪的问题
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hzx@hzx:~/catkin_ws$ catkin_make
Base path: /home/hzx/catkin_ws
Source space: /home/hzx/catkin_ws/src
Build space: /home/hzx/catkin_ws/build
Devel space: /home/hzx/catkin_ws/devel
Install space: /home/hzx/catkin_ws/installRunning command: "make cmake_check_build_system" in "/home/hzx/catkin_ws/build"
Running command: "make -j20 -l20" in "/home/hzx/catkin_ws/build"
[ 50%] Building CXX object learning_communication/CMakeFiles/talker.dir/src/talker.cpp.o
[100%] Linking CXX executable /home/hzx/catkin_ws/devel/lib/learning_communication/talker
[100%] Built target talker
hzx@hzx:~/catkin_ws$ source ./devel/setup.bash
hzx@hzx:~/catkin_ws$ rosrun learning_communication talker
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
[ERROR] [1748073702.812459570]: [registerPublisher] Failed to contact master at [localhost:11311]. Retrying...
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
Error in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator
^CError in XmlRpcClient::writeRequest: write error (Connection refused).
Error in XmlRpcDispatch::work: couldn't find source iterator