Yuta HIGUCHI

Attempt to reduce harmless warnings during shutdown

Change-Id: I431c9d5944c1655c45c4ece8b39da4fdb108c6f4
...@@ -77,6 +77,9 @@ public class GroupStatsCollector implements TimerTask { ...@@ -77,6 +77,9 @@ public class GroupStatsCollector implements TimerTask {
77 if (sw.getRole() != RoleState.MASTER) { 77 if (sw.getRole() != RoleState.MASTER) {
78 return; 78 return;
79 } 79 }
80 + if (!sw.isConnected()) {
81 + return;
82 + }
80 Long statsXid = OpenFlowGroupProvider.getXidAndAdd(2); 83 Long statsXid = OpenFlowGroupProvider.getXidAndAdd(2);
81 OFGroupStatsRequest statsRequest = sw.factory().buildGroupStatsRequest() 84 OFGroupStatsRequest statsRequest = sw.factory().buildGroupStatsRequest()
82 .setGroup(OFGroup.ALL) 85 .setGroup(OFGroup.ALL)
......