From 062bbc1cc36e92c6d5b8bfa2184d635a5648219f Mon Sep 17 00:00:00 2001
From: Soby Chacko <schacko@pivotal.io>
Date: Fri, 1 Nov 2019 18:42:30 -0400
Subject: [PATCH] Add null check for KafkaStreamsBinderMetrics

---
 .../binder/kafka/streams/StreamsBuilderFactoryManager.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/StreamsBuilderFactoryManager.java b/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/StreamsBuilderFactoryManager.java
index c5ca7fcfe..036f90ec1 100644
--- a/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/StreamsBuilderFactoryManager.java
+++ b/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/StreamsBuilderFactoryManager.java
@@ -74,7 +74,9 @@ class StreamsBuilderFactoryManager implements SmartLifecycle {
 					streamsBuilderFactoryBean.start();
 					this.kafkaStreamsRegistry.registerKafkaStreams(streamsBuilderFactoryBean);
 				}
-				this.kafkaStreamsBinderMetrics.addMetrics(streamsBuilderFactoryBeans);
+				if (this.kafkaStreamsBinderMetrics != null) {
+					this.kafkaStreamsBinderMetrics.addMetrics(streamsBuilderFactoryBeans);
+				}
 				this.running = true;
 			}
 			catch (Exception ex) {