From 1745a5ee6f81fba376110785ddd8546318bee689 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AD=99=E5=81=A5?= <jian.sun.arch@dianrong.com>
Date: Tue, 13 Jun 2017 10:42:11 +0800
Subject: [PATCH] Fix metric check in case of duplicate metric

Closes gh-9497
---
 .../actuate/metrics/dropwizard/DropwizardMetricServices.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/dropwizard/DropwizardMetricServices.java b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/dropwizard/DropwizardMetricServices.java
index 98a70ad8cce..571841d7a1c 100644
--- a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/dropwizard/DropwizardMetricServices.java
+++ b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/dropwizard/DropwizardMetricServices.java
@@ -148,7 +148,7 @@ public class DropwizardMetricServices implements CounterService, GaugeService {
 		}
 		catch (IllegalArgumentException ex) {
 			Metric added = this.registry.getMetrics().get(name);
-			registrar.checkExisting(metric);
+			registrar.checkExisting(added);
 			return (T) added;
 		}
 	}