Checking core structure...
compile_project:10: no matches found: *.in
rm -f sonet-core.jar `find . -name \*.class`
(cd src; javac -encoding UTF-8 -cp /usr/share/java/sonet-core-support.jar `find . -name \*.java`)
./Message.java:10: sonet.Message is not abstract and does not override abstract method compareTo(sonet.Message) in java.lang.Comparable
public class Message implements Comparable, Serializable {
       ^
./Message.java:67: cannot find symbol
symbol  : method getId()
location: class sonet.Message
			int id1 = message1.getId();
			                  ^
./Message.java:68: cannot find symbol
symbol  : method getId()
location: class sonet.Message
			int id2 = message2.getId();
			                  ^
./Agent.java:11: sonet.Agent is not abstract and does not override abstract method compareTo(sonet.Agent) in java.lang.Comparable
public class Agent implements Comparable, Serializable {
       ^
./Agent.java:166: incompatible types
found   : sonet.Publication
required: sonet.Message
		return _publication.get(idPub);
		                       ^
./Publication.java:10: sonet.Publication is not abstract and does not override abstract method compareTo(sonet.Publication) in java.lang.Comparable
public class Publication implements Comparable, Serializable {
       ^
./Publication.java:65: cannot find symbol
symbol  : method getId()
location: class sonet.Publication
			int id1 = publication1.getId();
			                      ^
./Publication.java:66: cannot find symbol
symbol  : method getId()
location: class sonet.Publication
			int id2 = publication2.getId();
			                      ^
./Album.java:15: cannot find symbol
symbol  : constructor Publication()
location: class sonet.Publication
	public Album(int idAlb, String name){
	                                    ^
9 errors
make: *** [all] Error 1