On Tue, Sep 6, 2011 at 6:56 PM, Damien Cassou wrote: > Can you please help me? It looks like removing the package ros-electric-rosjava-core and installing it from mercurial fixed the problem. Something missing in the wiki page however is the required creation of the 'src' directory. You get a BUILD FAILED /home/cassou/Documents/robotics/stacks/diarobot/build.xml:27: srcdir "/home/cassou/Documents/robotics/stacks/diarobot/src" does not exist! error message otherwise. Also, ant produces the following warning compile: [javac] /home/cassou/Documents/robotics/stacks/diarobot/build.xml:27: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds -- Damien Cassou http://damiencassou.seasidehosting.st "Lambdas are relegated to relative obscurity until Java makes them popular by not having them." James Iry