修复bug

Author: saleson

spring-cloud-gray-client-netflix/src/main/java/cn/springcloud/gray/client/netflix/ribbon/GrayLoadBalanceRule.java

@@ -61,7 +61,7 @@ public Server choose(Object key) {
             GrayService grayService = grayManager.getGrayService(serviceId);
             List<Server> servers = lb.getAllServers();
             List<Server> grayServers = new ArrayList<>(grayService.getGrayInstances().size());
-            List<Server> normalServers = new ArrayList<>(servers.size() - grayService.getGrayInstances().size());
+            List<Server> normalServers = new ArrayList<>(Math.min(servers.size(), grayService.getGrayInstances().size()));
 
             for (Server server : servers) {
 //                ServerSpec serverSpec = serverExplainer.apply(server);

spring-cloud-gray-samples/spring-cloud-gray-service-a-sample/src/main/resources/config/application.yml

@@ -16,5 +16,5 @@ eureka:
 gray:
   client:
     instance:
-      grayEnroll: true #是否在启动后自动注册成灰度实例
+      grayEnroll: false #是否在启动后自动注册成灰度实例
     serverUrl: http://localhost:20202 #灰度服务端的url

spring-cloud-gray-samples/spring-cloud-gray-service-b-sample/src/main/resources/config/application.yml

@@ -38,7 +38,7 @@ eureka:
     instanceId: ${spring.application.name}:${server.port}
     lease-renewal-interval-in-seconds: 10
     lease-expiration-duration-in-seconds: 30
-    initial-status: starting
+#    initial-status: starting
 feign:
   hystrix:
     enabled: true
@@ -60,7 +60,7 @@ gray:
             value: version,test
         path-patterns: /*
   load:
-    enabled: true
+    enabled: false
     gray-instances:
       - serviceId: service-a
         instance-id: service-a:20104

spring-cloud-gray-samples/spring-cloud-gray-zuul-sample/src/main/resources/config/application.yml

@@ -34,7 +34,7 @@ eureka:
   instance:
     lease-renewal-interval-in-seconds: 10
     lease-expiration-duration-in-seconds: 30
-    initial-status: starting
+#    initial-status: starting
 
 ribbon:
   #    ReadTimeout: 30000