added message to GroupAlreadyExistsException

scm-core/src/main/java/sonia/scm/group/GroupAllreadyExistExeption.java

@@ -44,4 +44,13 @@ public class GroupAllreadyExistExeption extends GroupException
 
   /** Field description */
   private static final long serialVersionUID = 4042878550219750430L;
+  
+  /**
+   * Constructs a new instance.
+   * 
+   * @param message exception message
+   */
+  public GroupAllreadyExistExeption(String message) {
+    super(message);
+  }
 }

scm-webapp/src/main/java/sonia/scm/group/DefaultGroupManager.java

@@ -135,7 +135,7 @@ public class DefaultGroupManager extends AbstractGroupManager
     
     if (groupDAO.contains(name))
     {
-      throw new GroupAllreadyExistExeption();
+      throw new GroupAllreadyExistExeption(name.concat(" group already exists"));
     }
 
     removeDuplicateMembers(group);