fix broken constructor

service/src/main/java/com/telephoners/krakyournet/ctf/repositories/Repository.java

@@ -16,10 +16,6 @@ public abstract class Repository<T>
         this.datastore = datastore;
     }
 
-    protected Repository()
-    {
-    }
-
     public void add(T item)
     {
         datastore.save(item);

service/src/main/java/com/telephoners/krakyournet/ctf/repositories/SolutionsRepository.java

@@ -5,6 +5,7 @@ import com.telephoners.krakyournet.ctf.beans.Team;
 import com.telephoners.krakyournet.ctf.beans.tasks.Task;
 import org.mongodb.morphia.Datastore;
 
+import javax.inject.Inject;
 import javax.inject.Singleton;
 import java.util.List;
 import java.util.Map;
@@ -16,15 +17,12 @@ import java.util.stream.Collectors;
 @Singleton
 public class SolutionsRepository extends Repository<Solution>
 {
+    @Inject
     public SolutionsRepository(Datastore datastore)
     {
         super(datastore);
     }
 
-    public SolutionsRepository()
-    {
-    }
-
     public List<Solution> getByTeam(Team team)
     {
         //todo: merge with upper