From e8c38365032b1cf97ef0179e4c6b328b2e98beb6 Mon Sep 17 00:00:00 2001
From: Spencer Gibb <spencer@gibb.us>
Date: Wed, 20 May 2015 16:12:14 -0600
Subject: [PATCH] fix NPE

---
 .../cloud/consul/discovery/ConsulLifecycle.java               | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-cloud-consul-discovery/src/main/java/org/springframework/cloud/consul/discovery/ConsulLifecycle.java b/spring-cloud-consul-discovery/src/main/java/org/springframework/cloud/consul/discovery/ConsulLifecycle.java
index fd179378..eb5a94e3 100644
--- a/spring-cloud-consul-discovery/src/main/java/org/springframework/cloud/consul/discovery/ConsulLifecycle.java
+++ b/spring-cloud-consul-discovery/src/main/java/org/springframework/cloud/consul/discovery/ConsulLifecycle.java
@@ -104,7 +104,9 @@ public class ConsulLifecycle extends AbstractDiscoveryLifecycle {
 	}
 
 	private void deregister(String serviceId) {
-		ttlScheduler.remove(serviceId);
+		if (ttlScheduler != null) {
+			ttlScheduler.remove(serviceId);
+		}
 		client.agentServiceDeregister(serviceId);
 	}