# Roslaunch error at 'ROS Deep Learning with TensorFlow 101, Unit 1-Step 4'

**URL:** <https://get-help.theconstruct.ai/t/roslaunch-error-at-ros-deep-learning-with-tensorflow-101-unit-1-step-4/1761>\
**Category:** ROS Deep Learning With TensorFlow 101\
**Tags:** error\
**Created:** [December 23, 2019, 5:40am UTC](https://get-help.theconstruct.ai/t/roslaunch-error-at-ros-deep-learning-with-tensorflow-101-unit-1-step-4/1761 "2019-12-23T05:40:12Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ts\_alfa155sportiva](https://get-help.theconstruct.ai/user_avatar/get-help.theconstruct.ai/ts_alfa155sportiva/32/10_2.png) [@ts\_alfa155sportiva](https://get-help.theconstruct.ai/u/ts_alfa155sportiva)\
**Post date:** [December 23, 2019, 5:40am UTC](https://get-help.theconstruct.ai/t/roslaunch-error-at-ros-deep-learning-with-tensorflow-101-unit-1-step-4/1761/1 "2019-12-23T05:40:12Z")

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Hi there

In the course ’ ROS Deep Learning with TensorFlow 101, Unit 1-Step 4: You are ready to run’  
I have tried to run the roslaunch file, error has occurred as follows.  
any suggestion is welcome

user:~/catkin\_ws/src/tf\_unit1\_pkg$ roslaunch tf\_unit1\_pkg start\_image\_recognition.launch  
… logging to /home/user/.ros/log/9da434da-253e-11ea-9b1b-069fc351ab34/roslaunch-rosdscomputer-24437.log  
Checking log directory for disk usage. This may take awhile.  
Press Ctrl-C to interrupt  
Done checking log file disk usage. Usage is \<1GB.

started roslaunch server [http://rosdscomputer:41123/](http://rosdscomputer:41123/)

# SUMMARY

PARAMETERS

- /rosdistro: kinetic
- /rosversion: 1.12.14

NODES  
/  
rostensorflow\_image\_recognition\_node (tf\_unit1\_pkg/image\_recognition.py)

ROS\_MASTER\_URI=http://master:11311

ERROR: cannot launch node of type [tf\_unit1\_pkg/image\_recognition.py]: can’t locate node [image\_recognition.py] in package [tf\_unit1\_pkg]  
No processes to monitor  
shutting down processing monitor…  
… shutting down processing monitor complete

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<div class="post-metadata">

**Author:** ![ts\_alfa155sportiva](https://get-help.theconstruct.ai/user_avatar/get-help.theconstruct.ai/ts_alfa155sportiva/32/10_2.png) [@ts\_alfa155sportiva](https://get-help.theconstruct.ai/u/ts_alfa155sportiva)\
**Post date:** [December 23, 2019, 5:57am UTC](https://get-help.theconstruct.ai/t/roslaunch-error-at-ros-deep-learning-with-tensorflow-101-unit-1-step-4/1761/2 "2019-12-23T05:57:14Z")

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Hi there

This ticket was solved already by duckfrost in post #4.

Thanks