Call Stack (most recent call first):
/opt/ros/humble/share/rosidl_cmake/cmake/rosidl_generate_interfaces.cmake:130 (rosidl_adapt_interfaces)
CMakeLists.txt:13 (rosidl_generate_interfaces)
--- stderr: example_ros2_interfaces
CMake Error at /opt/ros/humble/share/rosidl_adapter/cmake/rosidl_adapt_interfaces.cmake:59 (message):
execute_process(/home/gkj/miniconda3/bin/python3.10 -m rosidl_adapter
--package-name example_ros2_interfaces --arguments-file
/home/gkj/d2lros2/chapt3/chapt3_ws/build/example_ros2_interfaces/rosidl_adapter__arguments__example_ros2_interfaces.json
--output-dir
/home/gkj/d2lros2/chapt3/chapt3_ws/build/example_ros2_interfaces/rosidl_adapter/example_ros2_interfaces
--output-file
/home/gkj/d2lros2/chapt3/chapt3_ws/build/example_ros2_interfaces/rosidl_adapter/example_ros2_interfaces.idls)
returned error code 1:
Traceback (most recent call last):
File "/home/gkj/miniconda3/lib/python3.10/runpy.py", line 196, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/home/gkj/miniconda3/lib/python3.10/runpy.py", line 86, in _run_code
exec(code, run_globals)
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/__main__.py", line 19, in <module>
sys.exit(main())
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/main.py", line 53, in main
abs_idl_file = convert_to_idl(
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/__init__.py", line 18, in convert_to_idl
from rosidl_adapter.msg import convert_msg_to_idl
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/msg/__init__.py", line 16, in <module>
from rosidl_adapter.resource import expand_template
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/resource/__init__.py", line 19, in <module>
import em
ModuleNotFoundError: No module named 'em'
Call Stack (most recent call first):
/opt/ros/humble/share/rosidl_cmake/cmake/rosidl_generate_interfaces.cmake:130 (rosidl_adapt_interfaces)
CMakeLists.txt:13 (rosidl_generate_interfaces)
Try
pip3 install empy failed
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='pypi.org\ ', port=443): Read timed out. (read timeout=15)")': /simple/empy/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='pypi.org', port =443): Read timed out. (read timeout=15)")': /simple/empy/
Collectingempy
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='files.pythonhosted.org' , port=443): Read timed out. (read timeout=15)")': /packages/3b/95/88ed47cb7da88569a78b7d6fb9420298df7e99997810c844a924d96d3c08/empy-3.3.4.tar.gz
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1007)'))': /packages/3b/95/88ed47cb7da88569a78b7d6fb9420298df7e99997810c844a924d96d3c08/empy-3.3.4.tar.gz
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1007)'))': /packages/3b/95/88ed47cb7da88569a78b7d6fb9420298df7e99997810c844a924d96d3c08/empy-3.3.4.tar.gz
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1007)'))': /packages/3b/95/88ed47cb7da88569a78b7d6fb9420298df7e99997810c844a924d96d3c08/empy-3.3.4.tar.gz
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1007)'))': /packages/3b/95/88ed47cb7da88569a78b7d6fb9420298df7e99997810c844a924d96d3c08/empy-3.3.4.tar.gz
ERROR: Could not install packages due to an OSError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Max retries exceeded with url: /packages/3b/95/88ed47cb7da88569a78b7d6fb9420298df7e99997810c844a924d96d3c08/empy- 3.3.4 .tar.gz (Caused by SSLError(SSLEOFError(8, '[SSL: UNEXPECTED_EOF_WHILE_READING] EOF occurred in violation of protocol (_ssl.c:1007)')))
pip3 list checked and found that there is indeed no empy package
Enter the command again and the installation is successful.
colcon build
--- stderr: example_ros2_interfaces Traceback (most recent call last): File "<string>", line 1, in <module> ModuleNotFoundError: No module named 'numpy' CMake Error at /opt/ros/humble/share/rosidl_generator_py/cmake/rosidl_generator_py_generate_interfaces.cmake:204 (message): execute_process(/home/gkj/miniconda3/bin/python3 -c 'import numpy;print(numpy.get_include())') returned error code 1 Call Stack (most recent call first): /opt/ros/humble/share/ament_cmake_core/cmake/core/ament_execute_extensions.cmake:48 (include) /opt/ros/humble/share/rosidl_cmake/cmake/rosidl_generate_interfaces.cmake:286 (ament_execute_extensions) CMakeLists.txt:13 (rosidl_generate_interfaces)
Likewise, add missing libraries pip3 install numpy
colcon build again
Traceback (most recent call last):
File "/opt/ros/humble/share/rosidl_generator_c/cmake/../../../lib/rosidl_generator_c/rosidl_generator_c", line 8, in <module>
from rosidl_generator_c import generate_c
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_generator_c/__init__.py", line 15, in <module>
from rosidl_cmake import convert_camel_case_to_lower_case_underscore
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_cmake/__init__.py", line 24, in <module>
from rosidl_parser.parser import parse_idl_file
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_parser/parser.py", line 20, in <module>
from lark import lark
ModuleNotFoundError: No module named 'lark'
gmake[2]: *** [CMakeFiles/example_ros2_interfaces__rosidl_generator_c.dir/build.make:148:rosidl_generator_c/example_ros2_interfaces/msg/robot_pose.h] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:212: CMakeFiles/example_ros2_interfaces__rosidl_generator_c.dir/all] Error 2
gmake[1]: *** Waiting for unfinished tasks....
Traceback (most recent call last):
File "/opt/ros/humble/share/rosidl_generator_cpp/cmake/../../../lib/rosidl_generator_cpp/rosidl_generator_cpp", line 8, in <module>
from rosidl_generator_cpp import generate_cpp
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_generator_cpp/__init__.py", line 17, in <module>
from rosidl_cmake import generate_files
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_cmake/__init__.py", line 24, in <module>
from rosidl_parser.parser import parse_idl_file
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_parser/parser.py", line 20, in <module>
from lark import lark
ModuleNotFoundError: No module named 'lark'
gmake[2]: *** [CMakeFiles/example_ros2_interfaces__cpp.dir/build.make:160:rosidl_generator_cpp/example_ros2_interfaces/msg/robot_pose.hpp] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:317: CMakeFiles/example_ros2_interfaces__cpp.dir/all] Error 2
gmake: ***[Makefile:146:all] Error 2
---
Failed <<< example_ros2_interfaces [1.35s, exited with code 2]
Likewise, add missing libraries pip3 install lark
colcon build again