[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/cli/src/main/java/org/onosproject/cli/net/QueuesListCommand.java b/cli/src/main/java/org/onosproject/cli/net/QueuesListCommand.java
index aa7d088..612fb9e 100644
--- a/cli/src/main/java/org/onosproject/cli/net/QueuesListCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/QueuesListCommand.java
@@ -17,7 +17,8 @@
 
 import java.util.Map;
 
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.store.service.StorageAdminService;
 import org.onosproject.store.service.WorkQueueStats;
@@ -28,6 +29,7 @@
 /**
  * Command to list stats for all work queues in the system.
  */
+@Service
 @Command(scope = "onos", name = "queues",
         description = "Lists information about work queues in the system")
 public class QueuesListCommand extends AbstractShellCommand {
@@ -35,7 +37,7 @@
     private static final String FMT = "name=%s pending=%d inProgress=%d, completed=%d";
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         StorageAdminService storageAdminService = get(StorageAdminService.class);
         Map<String, WorkQueueStats> queueStats = storageAdminService.getQueueStats();
         if (outputJson()) {