ros_comm

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Trying to debug a python node that is launch from a `object_detection.launch` file. The `.launch file` has a `node` tag. Both times the `.launch` file is launched from `home` folder...

xkaraman

The following GTest call currently ends in `XmlRpcException("type error: expected a struct")` being thrown: EXPECT_EQ(XmlRpc::XmlRpcValue(false), XmlRpc::XmlRpcValue(0)); That is because GTest tries to print all XmlRpcValues as "containers". Here is the...

peci1

Large delays when communicating with rosmaster on noetic running in docker container on an ARM64 jetson TX2

3

## Description We have noticed some problems with setting up topics between nodes on our noetic system that is running on a Jetson TX2. The issue is that it can...

Gugfann

rosgraph fails to start on Kernels with no minor version number

1

Hello! I recently updated my machine to kernel 5.16 and on this specific kernel rqt fails to start because of rosgraph crashing. This because of line https://github.com/ros/ros_comm/blob/52b0556dadf3ec0c0bc72df4fc202153a53b539e/tools/rosgraph/src/rosgraph/xmlrpc.py#L92 This happens because...

c-rizz

Ubuntu18.04 melodic my code, I want to check if there is a node with same name before I init ```c++ #include #include #define LOG() printf("[%d]\n", __LINE__) int main(int argc, char...

SdKay

rosbag with roslz4: Conda version mismatch

1

Hi, I've been trying to install rosbag in conda environment and read a bag with lz4. However, when using [rosbag conda-forge package](https://anaconda.org/conda-forge/ros-rosbag), it requires `python[version='>=2.7,=3.6,=3.8,=3.7,

balbok0

Added a thread to both print & log child process stderr

1

Noetic rebase of https://github.com/ros/ros_comm/pull/1571 as asked by @dirk-thomas the original PR. https://github.com/ros/ros_comm/pull/1571#issuecomment-702949261 Original issue was https://github.com/ros/ros_comm/issues/1566

MirkoFerrati

ERROR: Cannot locate node of type [ydlidar_ros_driver_node/ydlidar_ros_driver_mode]

1

Facts: ROS Melodic ; Ubuntu 18.04 ; Commands: chmod +x robert/Downloads/ydlidar_ros_driver/launch/ X2.launch roslaunch ydlidar_ros_driver X2.launch ERROR: cannot launch mode of type [ydlidar_ros_driver/ydlidar_ros_driver_mode]: Cannot locate mode of type [ydlidar_ros_driver_mode] in package...

Tricia279

[node_handle] run simple code will crash, terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::lock_error> >'

1

```cpp int main(int argc, char* argv[]) { ros::init(ros::VP_string(), "test"); static std::shared_ptr n; n = std::make_shared(); return 0; } ``` when I run above code will crash, this crash message is:...

Sunriseyms

If a bag contains message types with identical MD5 hashes, reading from the bag can return message instances with the wrong type for the topic. Example: ```python import genpy.dynamic, rosbag...

suurjaak