ros2-java/ros2_java_examples

Example Java applications for the ROS2 Java bindings

ros2_java_examples's Issues

ModuleNotFoundError: No module named 'ament_package'

Following the instructions on https://github.com/esteve/ros2_java/blob/master/README.md#desktop
from the link on https://github.com/ros2-java/ros2_java_examples

the command
src/ament/ament_tools/scripts/ament.py build --symlink-install --isolated

produces an error

shackle@unimate:~/ament_ws$ src/ament/ament_tools/scripts/ament.py build --symlink-install --isolated
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.16.0-unknown is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.1build1 is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 0.1.43ubuntu1 is an invalid version and will not be supported in a future release
warnings.warn(

Topological order

• ament_cppcheck
• ament_flake8
• ament_package
• ament_cmake_core
• ament_cmake_export_definitions
• ament_cmake_export_dependencies
• ament_cmake_export_include_directories
• ament_cmake_export_interfaces
• ament_cmake_export_libraries
• ament_cmake_export_link_flags
• ament_cmake_gmock
• ament_cmake_gtest
• ament_cmake_include_directories
• ament_cmake_libraries
• ament_cmake
• ament_cmake_nose
• ament_cmake_pytest
• ament_cmake_python
• ament_cmake_target_dependencies
• ament_cmake_test
• ament_cmake_auto
• ament_lint_auto
• ament_pep257
• ament_copyright
• ament_clang_format
• ament_cpplint
• ament_index_python
• ament_lint_cmake
• ament_cmake_lint_cmake
• ament_cmake_copyright
• ament_cmake_clang_format
• ament_cmake_cppcheck
• ament_cmake_cpplint
• ament_cmake_flake8
• ament_cmake_pclint
• ament_cmake_pep257
• ament_cmake_pep8
• ament_cmake_pyflakes
• ament_cmake_uncrustify
• ament_pclint
• ament_pep8
• ament_pyflakes
• gmock_vendor
• gtest_vendor
• osrf_pycommon
• ament_tools
• uncrustify_vendor
• ament_uncrustify
• ament_lint_common
• ament_index_cpp
• ament_java_resources
• ament_build_type_gradle

Process package 'ament_cppcheck' with context:

source_space => /home/shackle/ament_ws/src/ament/ament_lint/ament_cppcheck
build_space => /home/shackle/ament_ws/build_isolated/ament_cppcheck
install_space => /home/shackle/ament_ws/install_isolated/ament_cppcheck
make_flags => -j8, -l8
build_tests => False

+++ Building 'ament_cppcheck'
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.16.0-unknown is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.1build1 is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 0.1.43ubuntu1 is an invalid version and will not be supported in a future release
warnings.warn(
+++ Installing 'ament_cppcheck'
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/share/ament_cppcheck/package.xml
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/share/ament_cppcheck/environment/ament_prefix_path.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/share/ament_cppcheck/environment/path.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/share/ament_cppcheck/environment/pythonpath.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/share/ament_cppcheck/local_setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/share/ament_cppcheck/local_setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/share/ament_cppcheck/local_setup.zsh
==> '. /home/shackle/ament_ws/build_isolated/ament_cppcheck/ament_python__install.sh && /usr/bin/python3 setup.py develop --prefix /home/shackle/ament_ws/install_isolated/ament_cppcheck --no-deps' in '/home/shackle/ament_ws/build_isolated/ament_cppcheck'
running develop
/usr/local/lib/python3.10/dist-packages/setuptools/command/easy_install.py:144: EasyInstallDeprecationWarning: easy_install command is deprecated. Use build and pip and other standards-based tools.
warnings.warn(
/usr/local/lib/python3.10/dist-packages/setuptools/command/install.py:34: SetuptoolsDeprecationWarning: setup.py install is deprecated. Use build and pip and other standards-based tools.
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.16.0-unknown is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.1build1 is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 0.1.43ubuntu1 is an invalid version and will not be supported in a future release
warnings.warn(
running egg_info
writing ament_cppcheck.egg-info/PKG-INFO
writing dependency_links to ament_cppcheck.egg-info/dependency_links.txt
writing entry points to ament_cppcheck.egg-info/entry_points.txt
writing requirements to ament_cppcheck.egg-info/requires.txt
writing top-level names to ament_cppcheck.egg-info/top_level.txt
reading manifest file 'ament_cppcheck.egg-info/SOURCES.txt'
writing manifest file 'ament_cppcheck.egg-info/SOURCES.txt'
running build_ext
Creating /home/shackle/ament_ws/install_isolated/ament_cppcheck/lib/python3.10/site-packages/ament-cppcheck.egg-link (link to .)
ament-cppcheck 0.5.2 is already the active version in easy-install.pth
Installing ament_cppcheck script to /home/shackle/ament_ws/install_isolated/ament_cppcheck/bin

Installed /home/shackle/ament_ws/build_isolated/ament_cppcheck
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/local_setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/local_setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/local_setup.zsh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/setup.zsh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_cppcheck/_order_packages.py

Process package 'ament_flake8' with context:

source_space => /home/shackle/ament_ws/src/ament/ament_lint/ament_flake8
build_space => /home/shackle/ament_ws/build_isolated/ament_flake8
install_space => /home/shackle/ament_ws/install_isolated/ament_flake8
make_flags => -j8, -l8
build_tests => False

+++ Building 'ament_flake8'
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.16.0-unknown is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.1build1 is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 0.1.43ubuntu1 is an invalid version and will not be supported in a future release
warnings.warn(
+++ Installing 'ament_flake8'
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/share/ament_flake8/package.xml
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/share/ament_flake8/environment/ament_prefix_path.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/share/ament_flake8/environment/path.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/share/ament_flake8/environment/pythonpath.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/share/ament_flake8/local_setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/share/ament_flake8/local_setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/share/ament_flake8/local_setup.zsh
==> '. /home/shackle/ament_ws/build_isolated/ament_flake8/ament_python__install.sh && /usr/bin/python3 setup.py develop --prefix /home/shackle/ament_ws/install_isolated/ament_flake8 --no-deps' in '/home/shackle/ament_ws/build_isolated/ament_flake8'
running develop
/usr/local/lib/python3.10/dist-packages/setuptools/command/easy_install.py:144: EasyInstallDeprecationWarning: easy_install command is deprecated. Use build and pip and other standards-based tools.
warnings.warn(
/usr/local/lib/python3.10/dist-packages/setuptools/command/install.py:34: SetuptoolsDeprecationWarning: setup.py install is deprecated. Use build and pip and other standards-based tools.
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.16.0-unknown is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.1build1 is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 0.1.43ubuntu1 is an invalid version and will not be supported in a future release
warnings.warn(
running egg_info
writing ament_flake8.egg-info/PKG-INFO
writing dependency_links to ament_flake8.egg-info/dependency_links.txt
writing entry points to ament_flake8.egg-info/entry_points.txt
writing requirements to ament_flake8.egg-info/requires.txt
writing top-level names to ament_flake8.egg-info/top_level.txt
reading manifest file 'ament_flake8.egg-info/SOURCES.txt'
writing manifest file 'ament_flake8.egg-info/SOURCES.txt'
running build_ext
Creating /home/shackle/ament_ws/install_isolated/ament_flake8/lib/python3.10/site-packages/ament-flake8.egg-link (link to .)
ament-flake8 0.5.2 is already the active version in easy-install.pth
Installing ament_flake8 script to /home/shackle/ament_ws/install_isolated/ament_flake8/bin

Installed /home/shackle/ament_ws/build_isolated/ament_flake8
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/local_setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/local_setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/local_setup.zsh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/setup.zsh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_flake8/_order_packages.py

Process package 'ament_package' with context:

source_space => /home/shackle/ament_ws/src/ament/ament_package
build_space => /home/shackle/ament_ws/build_isolated/ament_package
install_space => /home/shackle/ament_ws/install_isolated/ament_package
make_flags => -j8, -l8
build_tests => False

+++ Building 'ament_package'
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.16.0-unknown is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.1build1 is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 0.1.43ubuntu1 is an invalid version and will not be supported in a future release
warnings.warn(
+++ Installing 'ament_package'
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/share/ament_package/package.xml
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/share/ament_package/environment/ament_prefix_path.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/share/ament_package/environment/path.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/share/ament_package/environment/pythonpath.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/share/ament_package/local_setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/share/ament_package/local_setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/share/ament_package/local_setup.zsh
==> '. /home/shackle/ament_ws/build_isolated/ament_package/ament_python__install.sh && /usr/bin/python3 setup.py develop --prefix /home/shackle/ament_ws/install_isolated/ament_package --no-deps' in '/home/shackle/ament_ws/build_isolated/ament_package'
running develop
/usr/local/lib/python3.10/dist-packages/setuptools/command/easy_install.py:144: EasyInstallDeprecationWarning: easy_install command is deprecated. Use build and pip and other standards-based tools.
warnings.warn(
/usr/local/lib/python3.10/dist-packages/setuptools/command/install.py:34: SetuptoolsDeprecationWarning: setup.py install is deprecated. Use build and pip and other standards-based tools.
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.16.0-unknown is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 1.1build1 is an invalid version and will not be supported in a future release
warnings.warn(
/usr/local/lib/python3.10/dist-packages/pkg_resources/init.py:123: PkgResourcesDeprecationWarning: 0.1.43ubuntu1 is an invalid version and will not be supported in a future release
warnings.warn(
running egg_info
writing ament_package.egg-info/PKG-INFO
writing dependency_links to ament_package.egg-info/dependency_links.txt
writing top-level names to ament_package.egg-info/top_level.txt
reading manifest file 'ament_package.egg-info/SOURCES.txt'
writing manifest file 'ament_package.egg-info/SOURCES.txt'
running build_ext
Creating /home/shackle/ament_ws/install_isolated/ament_package/lib/python3.10/site-packages/ament-package.egg-link (link to .)
ament-package 0.5.2 is already the active version in easy-install.pth

Installed /home/shackle/ament_ws/build_isolated/ament_package
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/local_setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/local_setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/local_setup.zsh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/setup.bash
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/setup.sh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/setup.zsh
-- [ament] Deploying: /home/shackle/ament_ws/install_isolated/ament_package/_order_packages.py

Process package 'ament_cmake_core' with context:

source_space => /home/shackle/ament_ws/src/ament/ament_cmake/ament_cmake_core
build_space => /home/shackle/ament_ws/build_isolated/ament_cmake_core
install_space => /home/shackle/ament_ws/install_isolated/ament_cmake_core
make_flags => -j8, -l8
build_tests => False

+++ Building 'ament_cmake_core'
==> '. /home/shackle/ament_ws/build_isolated/ament_cmake_core/cmake__build.sh && /usr/bin/cmake -DBUILD_TESTING=0 -DAMENT_CMAKE_SYMLINK_INSTALL=1 -DCMAKE_INSTALL_PREFIX=/home/shackle/ament_ws/install_isolated/ament_cmake_core /home/shackle/ament_ws/src/ament/ament_cmake/ament_cmake_core' in '/home/shackle/ament_ws/build_isolated/ament_cmake_core'
-- Using PYTHON_EXECUTABLE: /usr/bin/python3
-- Override CMake install command with custom implementation using symlinks instead of copying resources
-- ament_cmake_core 0.5.1
Traceback (most recent call last):
File "/home/shackle/ament_ws/src/ament/ament_cmake/ament_cmake_core/cmake/package_templates/templates_2_cmake.py", line 21, in
from ament_package.templates import get_environment_hook_template_path
ModuleNotFoundError: No module named 'ament_package'
CMake Error at ament_cmake_package_templates-extras.cmake:41 (message):
execute_process(/usr/bin/python3
/home/shackle/ament_ws/src/ament/ament_cmake/ament_cmake_core/cmake/package_templates/templates_2_cmake.py
/home/shackle/ament_ws/build_isolated/ament_cmake_core/ament_cmake_package_templates/templates.cmake)
returned error code 1
Call Stack (most recent call first):
CMakeLists.txt:19 (include)

-- Configuring incomplete, errors occurred!
See also "/home/shackle/ament_ws/build_isolated/ament_cmake_core/CMakeFiles/CMakeOutput.log".

<== Command '. /home/shackle/ament_ws/build_isolated/ament_cmake_core/cmake__build.sh && /usr/bin/cmake -DBUILD_TESTING=0 -DAMENT_CMAKE_SYMLINK_INSTALL=1 -DCMAKE_INSTALL_PREFIX=/home/shackle/ament_ws/install_isolated/ament_cmake_core /home/shackle/ament_ws/src/ament/ament_cmake/ament_cmake_core' failed in '/home/shackle/ament_ws/build_isolated/ament_cmake_core' with exit code '1'
<== Command '. /home/shackle/ament_ws/build_isolated/ament_cmake_core/cmake__build.sh && /usr/bin/cmake -DBUILD_TESTING=0 -DAMENT_CMAKE_SYMLINK_INSTALL=1 -DCMAKE_INSTALL_PREFIX=/home/shackle/ament_ws/install_isolated/ament_cmake_core /home/shackle/ament_ws/src/ament/ament_cmake/ament_cmake_core' failed in '/home/shackle/ament_ws/build_isolated/ament_cmake_core' with exit code '1'

Can't build with ament

when i build the project with : ament build --symlink-install --isolated --only-package rcljava_examples

return output :

Process package 'rcljava_examples' with context:
--------------------------------------------------------------------------------
 source_space => /home/micky/ros-workspace/ros2java/ros2_java_ws/src/ros2_java/ros2_java_examples/rcljava_examples
  build_space => /home/micky/ros-workspace/ros2java/ros2_java_ws/build_isolated/rcljava_examples
install_space => /home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcljava_examples
   make_flags => -j4, -l4
  build_tests => False
--------------------------------------------------------------------------------
+++ Building 'rcljava_examples'
Traceback (most recent call last):
  File "/home/micky/ros-workspace/ros2java/ament_ws/install_isolated/ament_tools/bin/ament", line 9, in <module>
    load_entry_point('ament-tools', 'console_scripts', 'ament')()
  File "/home/micky/ros-workspace/ros2java/ament_ws/build_isolated/ament_tools/ament_tools/commands/ament.py", line 88, in main
    rc = args.main(args)
  File "/home/micky/ros-workspace/ros2java/ament_ws/build_isolated/ament_tools/ament_tools/verbs/build/cli.py", line 164, in main
    return iterate_packages(opts, packages, per_package_main)
  File "/home/micky/ros-workspace/ros2java/ament_ws/build_isolated/ament_tools/ament_tools/verbs/build/cli.py", line 295, in iterate_packages
    rc = processSequentially(jobs)
  File "/home/micky/ros-workspace/ros2java/ament_ws/build_isolated/ament_tools/ament_tools/verbs/build/cli.py", line 335, in processSequentially
    rc = job['callback'](job['opts'])
  File "/home/micky/ros-workspace/ros2java/ament_ws/build_isolated/ament_tools/ament_tools/verbs/build_pkg/cli.py", line 270, in main
    return run(opts, context)
  File "/home/micky/ros-workspace/ros2java/ament_ws/build_isolated/ament_tools/ament_tools/verbs/build_pkg/cli.py", line 315, in run
    handle_build_action(on_build_ret, context)
  File "/home/micky/ros-workspace/ros2java/ament_ws/build_isolated/ament_tools/ament_tools/verbs/build_pkg/cli.py", line 260, in handle_build_action
    run_command(build_action, context)
  File "/home/micky/ros-workspace/ros2java/ament_ws/build_isolated/ament_tools/ament_tools/verbs/build_pkg/cli.py", line 238, in run_command
    print("==> '{0}' in '{1}'".format(" ".join(build_action.cmd), cwd))
TypeError: sequence item 0: expected str instance, NoneType found

dump :
content of context

install_space                      => /home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcljava_examples
symlink_install                    => True
ament_gradle_args                  => []
source_space                       => /home/micky/ros-workspace/ros2java/ros2_java_ws/src/ros2_java/ros2_java_examples/rcljava_examples
make_flags                         => ['-j4', '-l4']
build_tests                        => False
exec_dependency_paths_in_workspace => ['/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_java/share/rosidl_generator_java', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/example_interfaces/share/example_interfaces', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcljava/share/rcljava', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/std_msgs/share/std_msgs', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/sensor_msgs/share/sensor_msgs']
build_space                        => /home/micky/ros-workspace/ros2java/ros2_java_ws/build_isolated/rcljava_examples
install                            => True
dry_run                            => False
package_manifest                   => {'test_depends': [], 'buildtool_export_depends': [], 'name': 'rcljava_examples', 'build_export_depends': [], 'urls': [], 'exports': [<ament_package.export.Export object at 0x7f48b5e7a0c8>], 'filename': '/home/micky/ros-workspace/ros2java/ros2_java_ws/src/ros2_java/ros2_java_examples/rcljava_examples/package.xml', 'package_format': 2, 'buildtool_depends': [<ament_package.dependency.Dependency object at 0x7f48b5f0bf68>, <ament_package.dependency.Dependency object at 0x7f48b5f0bca8>, <ament_package.dependency.Dependency object at 0x7f48b5f0bc50>, <ament_package.dependency.Dependency object at 0x7f48b5f0b938>, <ament_package.dependency.Dependency object at 0x7f48b5f0b8e0>], 'build_depends': [<ament_package.dependency.Dependency object at 0x7f48b5f0d0f8>, <ament_package.dependency.Dependency object at 0x7f48b5f0d0a0>, <ament_package.dependency.Dependency object at 0x7f48b5f0b3b8>, <ament_package.dependency.Dependency object at 0x7f48b5f0bfc0>], 'maintainers': [<ament_package.person.Person object at 0x7f48b5f07588>], 'authors': [], 'replaces': [], 'doc_depends': [], 'licenses': ['Apache License 2.0'], 'exec_depends': [<ament_package.dependency.Dependency object at 0x7f48b5f0b9e8>, <ament_package.dependency.Dependency object at 0x7f48b5f0b990>, <ament_package.dependency.Dependency object at 0x7f48b5f0b728>, <ament_package.dependency.Dependency object at 0x7f48b5f0bf10>, <ament_package.dependency.Dependency object at 0x7f48b5f0b780>], 'conflicts': [], 'version': '0.0.0', 'description': 'Package containing examples of how to use the rcljava API.'}
build_dependencies                 => ['/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/ament_cmake_export_jars/share/ament_cmake_export_jars', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/connext_cmake_module/share/connext_cmake_module', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/fastcdr/share/fastcdr', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/fastrtps/share/fastrtps', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/opensplice_cmake_module/share/opensplice_cmake_module', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/python_cmake_module/share/python_cmake_module', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw/share/rmw', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_implementation_cmake/share/rmw_implementation_cmake', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_cmake/share/rosidl_cmake', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_default_generators/share/rosidl_default_generators', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_default_runtime/share/rosidl_default_runtime', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_dds_idl/share/rosidl_generator_dds_idl', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_parser/share/rosidl_parser', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_c/share/rosidl_generator_c', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_connext_shared_cpp/share/rmw_connext_shared_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_cpp/share/rosidl_generator_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_java/share/rosidl_generator_java', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_connext_cpp/share/rosidl_typesupport_connext_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_connext_c/share/rosidl_typesupport_connext_c', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_connext_cpp/share/rmw_connext_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_introspection_c/share/rosidl_typesupport_introspection_c', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_introspection_cpp/share/rosidl_typesupport_introspection_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_connext_dynamic_cpp/share/rmw_connext_dynamic_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_fastrtps_cpp/share/rmw_fastrtps_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_opensplice_cpp/share/rosidl_typesupport_opensplice_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_opensplice_c/share/rosidl_typesupport_opensplice_c', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_opensplice_cpp/share/rmw_opensplice_cpp', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_implementation/share/rmw_implementation', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_py/share/rosidl_generator_py', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/builtin_interfaces/share/builtin_interfaces', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/example_interfaces/share/example_interfaces', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcl_interfaces/share/rcl_interfaces', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/std_msgs/share/std_msgs', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/geometry_msgs/share/geometry_msgs', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcl/share/rcl', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcljava/share/rcljava', '/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/sensor_msgs/share/sensor_msgs']

content of build_action.cmd

[None, '-Pament.build_space=/home/micky/ros-workspace/ros2java/ros2_java_ws/build_isolated/rcljava_examples', '-Pament.install_space=/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcljava_examples', '-Pament.dependencies=/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/ament_cmake_export_jars/share/ament_cmake_export_jars:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/connext_cmake_module/share/connext_cmake_module:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/fastcdr/share/fastcdr:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/fastrtps/share/fastrtps:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/opensplice_cmake_module/share/opensplice_cmake_module:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/python_cmake_module/share/python_cmake_module:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw/share/rmw:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_implementation_cmake/share/rmw_implementation_cmake:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_cmake/share/rosidl_cmake:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_default_generators/share/rosidl_default_generators:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_default_runtime/share/rosidl_default_runtime:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_dds_idl/share/rosidl_generator_dds_idl:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_parser/share/rosidl_parser:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_c/share/rosidl_generator_c:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_connext_shared_cpp/share/rmw_connext_shared_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_cpp/share/rosidl_generator_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_java/share/rosidl_generator_java:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_connext_cpp/share/rosidl_typesupport_connext_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_connext_c/share/rosidl_typesupport_connext_c:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_connext_cpp/share/rmw_connext_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_introspection_c/share/rosidl_typesupport_introspection_c:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_introspection_cpp/share/rosidl_typesupport_introspection_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_connext_dynamic_cpp/share/rmw_connext_dynamic_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_fastrtps_cpp/share/rmw_fastrtps_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_opensplice_cpp/share/rosidl_typesupport_opensplice_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_typesupport_opensplice_c/share/rosidl_typesupport_opensplice_c:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_opensplice_cpp/share/rmw_opensplice_cpp:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rmw_implementation/share/rmw_implementation:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rosidl_generator_py/share/rosidl_generator_py:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/builtin_interfaces/share/builtin_interfaces:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/example_interfaces/share/example_interfaces:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcl_interfaces/share/rcl_interfaces:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/std_msgs/share/std_msgs:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/geometry_msgs/share/geometry_msgs:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcl/share/rcl:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/rcljava/share/rcljava:/home/micky/ros-workspace/ros2java/ros2_java_ws/install_isolated/sensor_msgs/share/sensor_msgs', 'build']

waitForService() always return true

Hi, Guys, why this function client.waitForService() always return true whatever ServcerNode is alive or die?