排除冲突的包

@@ -608,6 +608,16 @@
                 <groupId>com.netflix.hystrix</groupId>
                 <artifactId>hystrix-metrics-event-stream</artifactId>
 				<version>1.4.21</version>
+				<exclusions>
+				<exclusion>
+					<artifactId>jackson-databind</artifactId>
+					 <groupId>com.fasterxml.jackson.core</groupId>
+				</exclusion>
+				<exclusion>
+					<artifactId>jackson-annotations</artifactId>
+					<groupId>com.fasterxml.jackson.core</groupId>
+				</exclusion>
+			</exclusions>
             </dependency>
             <!--config -->
             <dependency>