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1 | initial version |
I got exactly the same problem but with hydro. Still haven't found a solution,
2 | No.2 Revision |
I got had exactly the same problem. Basically until move_base receives its first goal the status_list[] is empty. Thus, when you try to access it creates a memory problem but with hydro. Still haven't found as status_list[] is empty/not allocated. You can use the vector.empty()
function that returns 1 if the vector is empty...for example status_list.empty()
will return 1 if a solution,goal was not given to move_base.
Here is my example code on how to protect your callback:
void StatusPublisher::navStatusCallBack(const actionlib_msgs::GoalStatusArray::ConstPtr& status)
{
if (!status->status_list.empty())
{
actionlib_msgs::GoalStatus goalStatus = status->status_list[0];
testing_pub.publish(goalStatus);
}