Skip to main content
Share Your Experience: Take the 2024 Developer Survey

Questions tagged [rosjava-core]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
3 views

Difference between rosjava_core vs. rosjava vs. ros_jni

Hi, I'm new to ROS and kinda confused between rosjava_core, rosjava, and ros_jni. What are the differences and which one to pick for new development using Ubuntu 16.04 and Kinetic (or future release). ...
user avatar
0 votes
1 answer
2 views

Updating android_core to use forked rosjava_core

All, I am trying to debug and issue with rosjava_core when implemented in Android through android_core. I am trying to compile both rosjava_core and android_core from source so I can use my fixed ...
user avatar
0 votes
1 answer
1 view

rosjava ListenerGroup causes android memory leak

I have been developing an Android based application using rosjava and android_core dependencies. I have found an issue with the ListenerDispatch class leaking memory (specifically classes that extend ...
user avatar
0 votes
1 answer
2 views

android_core - Emulator registers topic but not sending events

I've got android_core and rosjava_core as projects under Android Studio. I'm currently running a Ginerbread (API:10) emulator and debugging it. The android_tutorial_pubsub registers it's self as a ...
user avatar
0 votes
1 answer
1 view

building android_apps errors on Android Studio

Hi all, I tried use Android Studio to import the latest android_apps, but I got build errors. $ git clone -b indigo https://github.com/rosjava/android_apps.git And ...
user avatar
0 votes
1 answer
3 views

rosjava nodes isolated and ros tools buggy behavior

I'm trying to connect the android pubsub tutorial of android_core with a master core in my server. https://github.com/rosjava/android_core/tree/indigo/android_tutorial_pubsub I'm using ros indigo, ...
user avatar
0 votes
1 answer
1 view

Using rosjava nodes inside non-rosjava projects

Hi, I am trying to adapt an existing complex java application using a rosjava node. I succesfully included my rosjava test class "Listener.java" into my other java project so I can access ...
user avatar
0 votes
1 answer
1 view

android tutorial pubsub don't work

Hi, I installed rosjava_core and android_core in my ros groovy pc, then i followed the tutorials and i tried the android_camera tutorial app which works fine. Now i tried the android_tutorial_pubsub ...
user avatar
0 votes
1 answer
1 view

Does rosjava_core harm the normal ros install?

Hi, Based on the documentation and questions on rosjava, I am not certain whether installing rosjava replaces the normal ROS install or is just another library. Could someone clear this up for me ...
user avatar
0 votes
1 answer
1 view

rosjava_core in Fuerte

I try to install rosjava_core in Fuerte. I did: rosws set --git rosjava_core 'https://github.com/rosjava/rosjava_core.git' rosws update But there seems no ...
user avatar
0 votes
1 answer
1 view

rosjava_core installation fails

Around one month ago, I installed rosjava_core following the steps presented at the rosjava installation guide (http://docs.rosjava.googlecode.com/hg/rosjava_core/html/installing.html) without ...
user avatar
0 votes
1 answer
1 view

Differences between rosjava core and roscpp core?

I seem to have noticed some unusual differences between the rosjava core and roscpp core. Keeping it simple my two test setups are as follows: Ros Java Core, Ros Java Publisher, Ros Java Subscriber. ...
user avatar
0 votes
1 answer
2 views

Do I need to add jar path in build.gradle?

Hi, I want to use some java classes from a jar file. If I import them I get error. I also export the CLASSPATH of the jar's path but does not help. Do I need to add the jar file path somewhere like in ...
user avatar
0 votes
1 answer
1 view

GraphName() private access Error in rosjava_core

Hi, I created my own new package and took the Talker and Listener code from pubsub tutorial pkg.I build it using "gradle build" command I get error for both Talker and Listener: my_workspace/...
user avatar
0 votes
1 answer
2 views

Error in building new package in rosjava_core

Hi, I want to build a new rosjava_core package and follow the same step as given here. I used build.gradle as given in tutorial ...
user avatar
0 votes
1 answer
1 view

How to run Talker/Listener from rosjava_tutorial_pubsub

Hi all, I am following the tutorial http://docs.rosjava.googlecode.com/hg/rosjava_core/html/getting_started.html#executing-nodes I have rosjava_tutorial_pubsub. Now if I run "../gradlew ...
user avatar
0 votes
1 answer
1 view

Error while building rosjava_core (gradle wrapper)

Hi all, I am trying to install rosjava_core on fuerte (ubuntu 12.04) using tutorial http://docs.rosjava.googlecode.com/hg/rosjava_core/html/index.html . I have followed the "Installing ...
user avatar
0 votes
1 answer
1 view

android_tutorial_teleop for TurtleBot

Hi I am trying to develop an application for TurtleBot I am trying to run the tutorial from android_core. First of all, the android_tutorial_pubsub seems to work fine as when I enter my master URI the ...
user avatar
0 votes
2 answers
3 views

Is possible to read/write ros topic from Java?

I would like to write a (initially) simple Java program that writes messages to a ros topic and reads messages from another topic. Is this possible? Thank you! Andrea Luzzana Originally posted by ...
user avatar
0 votes
1 answer
2 views

Rosjava install problem ./gradlew install

Hi, I am trying to install ROSJava (Fuerte). I have already installed the regular ROS (Fuerte). I am working through the rosjava building steps (http://docs.rosjava.googlecode.com/hg/rosjava_core/html/...
user avatar
0 votes
2 answers
1 view

rosjava_core build error ':apache_xmlrpc_common:compile'

Hi! I tried building rosjava_core as per [1], but it always gives me the same build error. I will present the steps I took to hopefully tell you enough to be able to help me. I start out with a fresh ...
user avatar
0 votes
1 answer
1 view

rosjava install fail

hi. i have a question i'm setting up rosjava now using this page. http://docs.rosjava.googlecode.com/hg/rosjava_core/html/installing.html but.. FAIL !! please tell me the reason... i don't know why.....
user avatar
0 votes
1 answer
1 view

Android_core build error

Hi.. I have a problem building android_core.. Can anyone help me? This is the error i get..: ...
user avatar
0 votes
1 answer
1 view

android_core compilation error

I m trying to compile android_core stack. first I ran the command android update project --path ./android_gingerbread_mr1 --target android-13 after this running ./gradelw debug causes the following ...
user avatar
0 votes
1 answer
1 view

rosjava compilation problem

after use ./gradlew install i take this rosjava_core/rosjava_messages/build/generated-src/explore/ExploreState.java:9: package robot_actions does not exist void setStatus(robot_actions.ActionStatus ...
user avatar
0 votes
1 answer
1 view

rosjava compilation error

while compiling recent rosjava_core library following error was encountered. Building > :apache_xmlrpc_server:compileJava > Resolving dependencies ':apache_xmlrpc_server:compil:...
user avatar
0 votes
1 answer
2 views

simple installation problem in rosjava_core

Sorry I'm totally new to use ROS. I have had a java agent (program) which was used to control satellites and now I want to use it into ROS. I have read some documents and think it should be okay for ...
user avatar
0 votes
1 answer
1 view

I had a compilation error when i build rosjava_core source package

I had a problem when i build a rosjava_core source package. The error is like this: ...
user avatar
0 votes
1 answer
1 view

Installation problems with Fuerte and rosjava

Hello everyone, I'm trying to install rosjava for use with fuerte on Ubuntu 12.04 I followed the installation instructions substituting fuerte for electric. Everything seems to be working fine until I ...
user avatar
0 votes
1 answer
3 views

rosjava = pure java ros master?

Hi, I'm testing rosjava (last version I hope), from this instruction : http://docs.rosjava.googlecode.com/hg/rosjava_core/html/index.html But I don't understand a basis : is it not possible to run a ...
user avatar
0 votes
1 answer
1 view

Rosjava building test fails

I recently upgraded to the gradle version of rosjava. When I build the test with #./gradlew test I got 16 errors. I checked the report and saw that the following errors occured: ...
user avatar
0 votes
1 answer
1 view

getting started with ROS Android: error in building rosjava_core

Trying to use rosAndroid with Fuerte. As far as I can tell, I have to first install and build rosjava_core, then rosjava_android, then I can follow the tutorial here (which seems to suggest it is OK ...
user avatar
0 votes
1 answer
1 view

Could not find method group() for arguments [ros.rosjava_core]

Hi, I'm trying to install the rosjava_core with the "gradle install", but I'm getting the next error: FAILURE: Build failed with an exception. Where: Build file '/home/user/my_workspace/...
user avatar
0 votes
1 answer
2 views

Fails to build rosjava using Gradle

I have tried everything to get the package to compile using Gradle. I followed everything on the tutorials and installation. The only issue I have is when I try to compile it gives me this error ...
user avatar
0 votes
1 answer
1 view

install rosjava error

I have troubles installing rosjava_core. hg clone https://code.google.com/p/rosjava rosjava_core (this ran fine) ./gradlew gives me this error: Building > :rosjava_actionlib:compileJava > ...
user avatar
0 votes
1 answer
1 view

rosjava_core not compiling with messsage error

I am trying to build rosjava_core using the command: ./gradlew install and getting the following error output (only the seeming relevant error included): :rosjava_bootstrap:jar :rosjava_messages:...
user avatar
0 votes
1 answer
1 view

rosjava_actionlib not build by gradle

Hello people! I followed the instructions on link to build the new ros_core with gradle. However, the package "rosjava_actionlib" is not built by gradle. When doing a "gradle install&...
user avatar
0 votes
2 answers
1 view

building rosjava_core

I was trying to reinstall rosjava_core from source. I uninstalled debian rosjava_core, and downloaded the newest version from source ...
user avatar