[WIP] apps CLI changes for karaf upgrade

Change-Id: I283efc39c7d4f4b31344f1d2d0cdd2b98a60932d
diff --git a/apps/metrics/src/main/java/org/onosproject/metrics/topology/cli/TopologyEventsListCommand.java b/apps/metrics/src/main/java/org/onosproject/metrics/topology/cli/TopologyEventsListCommand.java
index 7ddc463..71e7b54 100644
--- a/apps/metrics/src/main/java/org/onosproject/metrics/topology/cli/TopologyEventsListCommand.java
+++ b/apps/metrics/src/main/java/org/onosproject/metrics/topology/cli/TopologyEventsListCommand.java
@@ -21,7 +21,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Command;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.event.Event;
 import org.onosproject.metrics.topology.TopologyMetricsService;
@@ -38,7 +38,7 @@
     private static final String FORMAT_REASON = "    Reason=%s";
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         TopologyMetricsService service = get(TopologyMetricsService.class);
 
         if (outputJson()) {