problem compiling re_comm

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HI I have problem compiling the re_comm package in the roboearth. The problems is shown like this:

   [ 83%] Generating ../bin/roboearth/wp1/UnizarRoboEarthInterface.class, ../bin/roboearth/wp5/REClients.class, ../bin/roboearth/wp5/util/Util.class, ../bin/roboearth/wp5/REDummyUploader.class, ../bin/roboearth/wp5/Main.class
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:88: package ros.pkg.vision_srvs.srv does not exist
import ros.pkg.vision_srvs.srv.cop_save;
                              ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp5/Main.java:50: package edu.tum.cs.ias.knowrob.vis.applets does not exist
import edu.tum.cs.ias.knowrob.vis.applets.CommunicationVisApplet; //add
                                         ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:284: cannot find symbol
symbol  : variable CommunicationVisApplet
location: class roboearth.wp1.UnizarRoboEarthInterface.ExportCopModelCallback
                CommunicationVisApplet.visualizeCommunication("Retrieving model from the vision system... \n\nSending: /cop/save "+req.object_id, "", null, "cop.png");
                ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:293: package cop_save does not exist
                ServiceClient<cop_save.Request, cop_save.Response, cop_save> client = n.serviceClient("/cop/save", new ros.pkg.vision_srvs.srv.cop_save());
                                      ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:293: package cop_save does not exist
                ServiceClient<cop_save.Request, cop_save.Response, cop_save> client = n.serviceClient("/cop/save", new ros.pkg.vision_srvs.srv.cop_save());
                                                        ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:293: cannot find symbol
symbol  : class cop_save
location: class roboearth.wp1.UnizarRoboEarthInterface.ExportCopModelCallback
                ServiceClient<cop_save.Request, cop_save.Response, cop_save> client = n.serviceClient("/cop/save", new ros.pkg.vision_srvs.srv.cop_save());
                                                                   ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:293: package ros.pkg.vision_srvs.srv does not exist
                ServiceClient<cop_save.Request, cop_save.Response, cop_save> client = n.serviceClient("/cop/save", new ros.pkg.vision_srvs.srv.cop_save());
                                                                                                                                              ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:294: package cop_save does not exist
                cop_save.Request rq = new cop_save().createRequest();
                        ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:294: cannot find symbol
symbol  : class cop_save
location: class roboearth.wp1.UnizarRoboEarthInterface.ExportCopModelCallback
                cop_save.Request rq = new cop_save().createRequest();
                                          ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:302: package cop_save does not exist
                    cop_save.Response resp = client.call(rq);
                            ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:335: cannot find symbol
symbol  : variable CommunicationVisApplet
location: class roboearth.wp1.UnizarRoboEarthInterface.ExportCopModelCallback
                    CommunicationVisApplet.visualizeCommunication("", vis_string, null, null);
                    ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:342: cannot find symbol
symbol  : variable CopROSClient
location: class roboearth.wp1.UnizarRoboEarthInterface.ExportCopModelCallback
                    String[] model_info = CopROSClient.copModelTypeSemClassForID(req.object_id);
                                          ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:391: cannot find symbol
symbol  : variable CommunicationVisApplet
location: class roboearth.wp1.UnizarRoboEarthInterface.ExportCopModelCallback
                    CommunicationVisApplet.visualizeCommunication("", "Export of model for Cop ID "+req.object_id+" failed.", null, null);
                    ^
/home/vincent/ros/stacks/roboearth/re_comm/src/roboearth/wp1/UnizarRoboEarthInterface.java:437: cannot find symbol
symbol  : variable CommunicationVisApplet
location: class roboearth.wp1.UnizarRoboEarthInterface.RetrieveCopModelCallback
                    CommunicationVisApplet.visualizeCommunication("Requesting model for object '"+req.object_name+"' from RoboEarth...", "", null, "roboearth.png ...