Logs from child loggers are not sent to /rosout #1694
Description
Bug report
Required Info:
- Operating System:
- Ubuntu 20.04
- Installation type:
- Binary
- Version or commit hash:
- galactic
- DDS implementation:
- Cyclone DDS
- Client library (if applicable):
- rclcpp
Steps to reproduce issue
Run this code:
#include "rclcpp/rclcpp.hpp"
#include "rcutils/logging_macros.h"
class MyNode : public rclcpp::Node
{
public:
explicit MyNode(const std::string & node_name) : rclcpp::Node(node_name)
{
RCLCPP_INFO(get_logger(), "Node logger");
RCLCPP_INFO(get_logger().get_child("child"), "Child logger");
}
};
int main(int argc, char * argv[])
{
rclcpp::init(argc, argv);
rclcpp::executors::SingleThreadedExecutor exe;
std::shared_ptr<MyNode> lc_node = std::make_shared<MyNode>("my_node");
exe.add_node(lc_node->get_node_base_interface());
exe.spin();
rclcpp::shutdown();
return 0;
}
Expected behavior
Terminal output:
1623765894.901377435 [INFO] [my_node::MyNode]: Node logger
1623765894.901569946 [INFO] [my_node.child::MyNode]: Child logger
File output to /home/user/.ros/log/logging_tester_81312_1623765894893:
1623765894.901377435 [INFO] [my_node::MyNode]: Node logger
1623765894.901569946 [INFO] [my_node.child::MyNode]: Child logger
Output on /rosout:
$ ros2 topic echo /rosout
stamp:
sec: 1623765894
nanosec: 901377435
level: 20
name: my_node
msg: Node logger
file: /home/user/ws/src/logging_tester/src/my_node.cpp
function: MyNode
line: 9
---
stamp:
sec: 1623765894
nanosec: 901377435
level: 20
name: my_node.child
msg: Child logger
file: /home/user/ws/src/logging_tester/src/my_node.cpp
function: MyNode
line: 10
---
Actual behavior
Output to terminal and to file is as expected. Output to /rosout only contains the top-level log, and not the child log:
$ ros2 topic echo /rosout
stamp:
sec: 1623765894
nanosec: 901377435
level: 20
name: my_node
msg: Node logger
file: /home/user/ws/src/logging_tester/src/my_node.cpp
function: MyNode
line: 9
---
Additional information
The child logs are omitted no matter if the child logger is stored as a member.
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