RosJava rosmake Error

[ rosmake ] No package specified.  Building ['my_package']
[ rosmake ] Packages requested are: ['my_package']
[ rosmake ] Logging to directory/home/mattia/.ros/rosmake/rosmake_output-20120124-142447
[ rosmake ] Expanded args ['my_package'] to:
['my_package']
[ rosmake ] Checking rosdeps compliance for packages my_package.  This may take a few seconds.
[ rosmake ] rosdep check passed all system dependencies in packages
[rosmake-0] Starting >>> roslib [ make ]
[rosmake-0] Finished <<< roslib ROS_NOBUILD in package roslib
[ rosmake ] [ make ] [ roslib: 0.0 sec ]              [ 1 Active 1/28 Complete ]
[rosmake-1] Starting >>> rosbuild [ make ]
[rosmake-1] Finished <<< rosbuild ROS_NOBUILD in package rosbuild
 No Makefile in package rosbuild
[rosmake-2] Starting >>> cpp_common [ make ]
[rosmake-2] Finished <<< cpp_common ROS_NOBUILD in package cpp_common
[ rosmake ] [ make ] [ roslib: 0.1 sec ] [ rosbuil... [ 3 Active 1/28 Complete ]
[ rosmake ] [ make ] [ roslib: 0.2 sec ] [ rosbuil... [ 3 Active 1/28 Complete ]
[rosmake-3] Starting >>> rosjava_bootstrap [ make ]
[rosmake-3] Finished <<< rosjava_bootstrap ROS_NOBUILD in package rosjava_bootstrap
[rosmake-0] Starting >>> std_msgs [ make ]
[rosmake-1] Starting >>> roslang [ make ]
[rosmake-2] Starting >>> rosclean [ make ]
[rosmake-5] Starting >>> rosparam [ make ]
[rosmake-3] Starting >>> rosgraph [ make ]
[rosmake-4] Starting >>> rosmaster [ make ]
[rosmake-6] Starting >>> roscpp_traits [ make ]
[rosmake-7] Starting >>> rostime [ make ]
[rosmake-3] Finished <<< rosgraph ROS_NOBUILD in package rosgraph
[rosmake-0] Finished <<< std_msgs ROS_NOBUILD in package std_msgs
[rosmake-3] Starting >>> xmlrpcpp [ make ]
[rosmake-2] Finished <<< rosclean ROS_NOBUILD in package rosclean
[rosmake-2] Starting >>> rosunit [ make ]
[rosmake-0] Starting >>> rosgraph_msgs [ make ]
[rosmake-4] Finished <<< rosmaster ROS_NOBUILD in package rosmaster
[rosmake-4] Starting >>> apache_commons_util [ make ]
[rosmake-1] Finished <<< roslang ROS_NOBUILD in package roslang
 No Makefile in package roslang
[rosmake-7] Finished <<< rostime ROS_NOBUILD in package rostime
[rosmake-5] Finished <<< rosparam ROS_NOBUILD in package rosparam
[rosmake-6] Finished <<< roscpp_traits ROS_NOBUILD in package roscpp_traits
[rosmake-3] Finished <<< xmlrpcpp ROS_NOBUILD in package xmlrpcpp
[rosmake-2] Finished <<< rosunit ROS_NOBUILD in package rosunit
[rosmake-0] Finished <<< rosgraph_msgs ROS_NOBUILD in package rosgraph_msgs
[rosmake-7] Starting >>> roscpp_serialization [ make ]
[rosmake-6] Starting >>> rosconsole [ make ]
[rosmake-7] Finished <<< roscpp_serialization ROS_NOBUILD in package roscpp_serialization
[rosmake-3] Starting >>> rospy [ make ]
[rosmake-4] Finished <<< apache_commons_util ROS_NOBUILD in package apache_commons_util
[rosmake-6] Finished <<< rosconsole ROS_NOBUILD in package rosconsole
[rosmake-7] Starting >>> apache_xmlrpc [ make ]
[rosmake-4] Starting >>> roscpp [ make ]
[rosmake-3] Finished <<< rospy ROS_NOBUILD in package rospy
[rosmake-7] Finished <<< apache_xmlrpc ROS_NOBUILD in package apache_xmlrpc
[rosmake-4] Finished <<< roscpp ROS_NOBUILD in package roscpp
[rosmake-4] Starting >>> rosout [ make ]
[rosmake-4] Finished <<< rosout ROS_NOBUILD in package rosout
[rosmake-4] Starting >>> roslaunch [ make ]
[rosmake-4] Finished <<< roslaunch ROS_NOBUILD in package roslaunch
 No Makefile in package roslaunch
[rosmake-4] Starting >>> rostest [ make ]
[rosmake-4] Finished <<< rostest ROS_NOBUILD in package rostest
[rosmake-4] Starting >>> test_ros [ make ]
[rosmake-4] Finished <<< test_ros ROS_NOBUILD in package test_ros
[rosmake-4] Starting >>> rosjava [ make ]
[ rosmake ] [ make ] [ rosjava: 0.0 sec ]            [ 1 Active 26/28 Complete ]
[ rosmake ] [ make ] [ rosjava: 0.1 sec ]            [ 1 Active 26/28 Complete ]
[ rosmake ] [ make ] [ rosjava: 0.2 sec ]            [ 1 Active 26/28 Complete ]
[ rosmake ] [ make ] [ rosjava: 0.3 sec ]            [ 1 Active 26/28 Complete ]
[ rosmake ] [ make ] [ rosjava: 0.4 sec ]            [ 1 Active 26/28 Complete ]
[ rosmake ] [ make ] [ rosjava: 0.5 sec ]            [ 1 Active 26/28 Complete ]
[ rosmake ] [ make ] [ rosjava: 0.6 sec ]            [ 1 Active 26/28 Complete ]
[ rosmake ] All 12 lines
{-------------------------------------------------------------------------------
  rosrun rosjava_bootstrap generate_properties.py rosjava > ros.properties
  if [ ! -f .project ] ; then sed s/PROJECT_NAME/rosjava/ `rospack find rosjava_bootstrap`/eclipse/eclipse-project-template > .project ; touch .project-generated; fi
  if [ ! -f .classpath ] ; then rosrun rosjava_bootstrap generate_properties.py --eclipse rosjava > .classpath ; touch .classpath-generated; fi
  rosrun rosjava_bootstrap generate_msg_depends.py rosjava
  ant
  Buildfile: /home/mattia/Workspace/Ros/rosjava/build.xml

  BUILD FAILED
  /home/mattia/Workspace/Ros/rosjava/build.xml:5: Cannot find /home/mattia/Workspace/Ros/rosjava/dependencies.xml imported from /home/mattia/Workspace/Ros/rosjava/build.xml

  Total time: 0 seconds
-------------------------------------------------------------------------------}
[ rosmake ] Output from build of package rosjava written to:
[ rosmake ]    /home/mattia/.ros/rosmake/rosmake_output-20120124-142447/rosjava/build_output.log
[rosmake-4] Finished <<< rosjava [FAIL] [ 0.72 seconds ]
[ rosmake ] Halting due to failure in package rosjava.
[ rosmake ] Waiting for other threads to complete.
[ rosmake ] Results:
[ rosmake ] Built 27 packages with 1 failures.
[ rosmake ] Summary output to directory
[ rosmake ] /home/mattia/.ros/rosmake/rosmake_output-20120124-142447