Questions tagged [server]
The server tag has no usage guidance.
55
questions
0
votes
1
answer
43
views
How to implement persistent client-server communication in ROS2?
In ROS1, it was possible to declare communication between a client and a server as persistent using a flag in the client declaration, for example:
...
- 1
0
votes
0
answers
15
views
Help using .srv files with MicroROS esp-idf-component
My MicroROS project uses the microros_espidf_component and I am trying to implement a .srv file as part of another espidf component. I understand the how the server is implemented and have walked ...
0
votes
1
answer
69
views
How to access my webpage with rosbridge server?
I would like to create an application for control my robot through Internet. I am using raspberry Pi 4 and ROS1 noetic under ubuntu. The wifi connection is the same between raspberry and my laptop ...
tiho_bg
0
votes
1
answer
27
views
ROS Service (client inside server node)
Is it possible to put a client node inside a server node when making service?
Iam trying to make a Service and as far as I know, all the functions are stored in the server node and inside the client ...
naihart
0
votes
1
answer
6
views
Why ROS2 rclc_parameter_set_int() has value parameter as int64_t while rclc_parameter_get_int() has the same parameter as int type?
Hello guys,
I just dealt with these two functions while I was learning how to implement a Parameter Server with Micro-ROS and ROS2 Galactic. I confess it bugged my mind, so we are talking about the ...
Jefecito
0
votes
1
answer
22
views
action client stuck waiting on server
I've been trying to write an action file (cpp) using the Fibonacci example as a guide but so far it's just getting stuck on starting the server and i can't quite see why.
...
morten_nissov
0
votes
1
answer
96
views
rqt_graph not showing all active nodes
I've been following through the simple examples for actions and I'm not sure how to change the setting to get rqt_graph to show nodes a level "deeper".
The action is questions is an exact ...
morten_nissov
0
votes
1
answer
9
views
ros_control combination with actionlib
Hi there,
This is probably a noob question, but after spending some hours trying to figure this out and asking google, I decided to ask it nonetheless.
I am building an interface to a robot that does ...
twannoo10
0
votes
1
answer
4
views
Yaml file loaded in the parameter server but disappears after
Hello everyone,
I have an issue with my parameters, when I launched my launch file where I load the yaml file, I can see that parameters from the yaml file are being loaded to the parameter server, ...
oiseau
0
votes
1
answer
4
views
creating a Rosjava Service Client and Server end in failure
Hi everybody,
I tried to create a rosjava service following the instruction listed in: http://wiki.ros.org/rosjava_build_tools/Tutorials/indigo/UsingServices
Sadly I end up with following error at the ...
yaced
0
votes
1
answer
9
views
Problem declaring a service server within a class
Hi everyone,
I am a beginner in c++ especially with classes,
I am trying to declare a service server within a class but it doesn't work, I have already had the same problem declaring a subscriber ...
RobinB
0
votes
1
answer
70
views
What is the difference between publisher-subscriber vs. server-client?
I just completed the beginner tutorial and I do not understand the difference between the publisher-subscriber (PS) way of passing messages and the server-client (SC) way of passing messages. To me ...
gabi
0
votes
1
answer
5
views
can call back based simple action client subscribe to other topics?
Is it possible for a call back based simple action client to subscribe to other topics?
I want the client to subscribe to /topicA that publishes sensor_msg::JointState and pass the name, velocity, ...
avcx
0
votes
1
answer
13
views
Bug in ros::NodeHandle::searchParam()?
Hi all,
according to my understanding of searchParam(), the second if condition in the following code snippet should never be ...
CodeFinder
0
votes
1
answer
7
views
Web-server-video remote access
Hi,
I'm trying to access the web-video-server. I got it to work on localhost, the url in the doc works and everything is fine. However I can't access it remotely ( on a different laptop on the same ...
Clement Jambou
0
votes
1
answer
23
views
rosbridge online
Background:
I am currently working on a project that wants to remotely receive video stream and send control commands to my ROS robot. I have it working perfectly in localhost by using rosbridge. It ...
craigstar
0
votes
1
answer
5
views
Get 403 Forbidden when downloading indigo packages from package.ros.org
Recently I got error '403 Forbidden' messages when I use '$ apt-get install' to install most indigo packages, when I visit the website ...
Luk Wang
0
votes
1
answer
22
views
How to connect ROS to ABB controller
Dear all,
I am trying to connect my Ubuntu with ROS Hydro to ABB controller that is using IRB120 robotic arm, but I am unable to understand how to make it connect. I am looking at this . But I am ...
Vinh K
0
votes
1
answer
43
views
dynamic reconfigure callback happens automatically when a node is launched without rqt client
I am using dynamic_reconfigure in my node to adjust some params dynamically. I found that the first callback for dynamic reconfigure happens when the node is launched, specifically when I define the ...
ajain
0
votes
1
answer
4
views
ros::param::getCached will not update and gives errors
Can't seem to make full use of ros::param::getCached....while I CAN retrieve a value that is set on rosmaster, I get this error continuously:
...
codenotes
0
votes
1
answer
1
view
May I run Parameter Server separated?
Hi everybody:
Does there any way to separate Parameter Server from roscore, and run alone!
Originally posted by Damo on ROS Answers with karma: 7 on 2016-10-14
Post score: 0
Original comments
...
Damo
0
votes
1
answer
1
view
ros: kinetic: web_video_server
Hi my maintainers,
is there a reason why web_video_server is not available at ros-kinetic default distribution ?
I like this nice tool for my robots frontview cam.
Cheers
Christian
Originally posted ...
ChriMo
0
votes
1
answer
5
views
Running roscore and nodes in separate computers
Due to limited storage space, I would like to run my roscore and certain important packages in one system (A Jetson TX1 running ...
skr_robo
0
votes
1
answer
4
views
issues launching Gazebo
I am getting this response in the terminal when attempting to run Gazebo. Does anyone have any idea what is going on and how I may resolve the problem.
...
tenichols
0
votes
2
answers
52
views
Easiest way to implement HTTP server that can send ROS messages
I have a web interface that sends http requests to a server. When this server receives a request it needs to send messages through a ROS topic. Since this server will be very simple I thought that the ...
biellls
0
votes
1
answer
23
views
Problems with communication between Roboguide and RVIZ
Hello everyone.
I'm working con ROS-Industrial and with the FANUC m20ia Robot
I'm try running the ROS-Industrial programs on my FANUC simulate called RoboGuide, I follow the instructions that appear ...
andy
0
votes
1
answer
1
view
coffeebot webserver open problems
Hi!
I am currently using the LAMP stack as explained in the http://learn.turtlebot.com/2015/02/01/20/ tutorial. The goal is to order a coffee (robot driving to specific location) through a chrome ...
Salocin808
0
votes
1
answer
3
views
Tutorials: Writing Simple Server Client Bug?
Hello,
so I'm doing the tutorials and I got a problem in this one.
Where do you get this file? #include "beginner_tutorials/AddTwoInts.h"?
I know that you have to go back look at creating ...
End-Effector
0
votes
1
answer
1
view
Examining Simple Service and Client Tutorial
When going through the first part of the tutorial of the subject title, this is what happens in terminal:
warhost@warhost-Latitude-E6400:~/catkin_ws$ rosrun beginner_tutorials add_two_ints_server
[...
warhost
0
votes
1
answer
8
views
Exclude topic from namespace
Hello,
I have a Turtlebot running the navigation stack and a workstation that runs the corresponding map-server.
The amcl node is launched in a namespace so that all published and subscribed topics ...
DKS
0
votes
1
answer
170
views
roscore fails to start
I have just recently moved. My project worked before, but I cannot even run roscore now. This is the error I have received. Does anyone know a fix?
...
sealguy77
0
votes
1
answer
4
views
ROS Installations: Desktop, Server, Cloud
Hi yah all! I am new to this wonderful world of ROS and setting up a small ROS lab to do some experimentation. My question is this, does ROS Indigo Igloo only run on the desktop version of Ubuntu 14....
Pingbot
0
votes
1
answer
5
views
compile twice to see custom message
Hello all !
I have a package with a server that use a custom message for a service. The thing is that I need to compile twice for it to see the message for the server.
Lets say I suppress my build and ...
Maya
0
votes
1
answer
1
view
Cannot locate node in package
How to run a server?
I cloned the package dmp and saved it in my sandbox. when I roslaunch the dmp node, I get the error
...
Ros_newbie
0
votes
1
answer
64
views
Running RViZ through X forwarding on headless machine
Hello,
is there possibility to run RViZ remotely on headless machine using X forwarding (ssh -X)? The problem is that remote machine (server) doesn't have graphic card with OpenGL support so, there is ...
ZdenekM
0
votes
1
answer
25
views
Re-stream video capture
I currently have a robot running Ubuntu with ROS installed and an Asus Xtion Pro Live attached. What I'm trying to do is to capture the video and push it to a server, and then have the server re-...
Andrew.A
0
votes
1
answer
4
views
ROS Beginner Tutorials: Examining the Simple Service and Client (python) - need some help
Hey guys,
I'm following the ROS Tutorials and, using the Python language, I'm currently having some issues trying to solve the item Examining the Simple Service and Client item ([link text](http: // ...
Batta
0
votes
1
answer
23
views
ROS Beginner Tutorials: Writing a Simple Service and Client (python) - need some help
Hi guys,
I'm following the ROS Tutorials and currently doing the item Examining the Simple Service and Client using the Python language ((http:// www.ros.org/wiki/ROS/Tutorials/ExaminingServiceClient))...
Batta
0
votes
2
answers
4
views
map server problems
Hello
I wonted to load a map from a bag file using the map server but I could not. First I played the bag file during running the master with roscore. After finishind the play of the bag file in new ...
Astronaut
0
votes
1
answer
1
view
Wiki Internal Server Error
Hello,
I just created a new page on the wiki:
ros.org/wiki/Robots/AllegroHand
I am getting an internal server error. Could you please restore this page and let me know what I may have done to cause ...
alexalspach
0
votes
1
answer
3
views
Internal Server Error ROS Wiki
I'm getting a Internal Server Error when editing/try to access the wiki-page: http://ros.org/wiki/amigo_gazebo . I guess it's the same problem as:http://answers.ros.org/question/12315/getting-an-...
- 18
0
votes
1
answer
4
views
ROS Server Client communication
Hello.
I want to use ROS as two parts application. Server and Client. I got a robotic arm that should run on server and i could be controlled by client over network.
Is that posible? I mean is there ...
leva87x
0
votes
1
answer
11
views
Running Gazebo on a Server in ROS
Can the ROS version of Gazebo be split so it's server functions (gzserver) be run on a server in the same way as the full version of Gazebo can?
Is this possible?
Originally posted by PeterMilani on ...
PeterMilani
0
votes
2
answers
15
views
Refresh map on navigation
Hello
I'm using the navigation_stack for make a robot move autonomously. So far I've managed to make the robot move and avoid obstacles, but only if I use a reference map. With this reference map, the ...
g.aterido
0
votes
1
answer
60
views
rosparam: Can't set parameters on Master, via launch file
(ROS Fuerte)
I've setup and tested 2 PCs to talk across a network. There's a client node and a master node. Both can ping each other via hostname.
I'm starting the client using a launch file that ...
dbworth
0
votes
1
answer
15
views
ROS Network through firewall
Hi there,
I have to say I'm a newbie working with networks. I have the following problem:
I have a remote machine where my roscore and some other nodes are running.
I need to run the nodes in my ...
Jep
0
votes
1
answer
2
views
Creating own service (not copying from some other package)
Hi!
So I am new to ROS and I went through most of the beginner tutorials. I am at the point where I am learning how to create my own services. In the ROS tutorial on the link below, they tell you how ...
Nishant
0
votes
1
answer
10
views
Service Server refuses to advertise my service/function?
Hello I'm writing a server whose job is to offer a 6DOF pose estimation, but I'm having problems advertising it as it seems that I'm giving it a function with too manny argument, even tough I'm ...
George B.
0
votes
1
answer
4
views
Handling SIGINT
Hi, I was trying to write a node acting as a tcp server, my first try (to see if evrythin worked) is the following
...
erpa
0
votes
1
answer
4
views
error message when running "Quadrotor indoor SLAM demo"
Hi,
When I tried to run the quadrotor demo here , I got the following error message:
...
maruchi