feat:optimize dependencies and notes.

CHANGELOG.md

@@ -6,7 +6,6 @@
 - [feat:Support multi-discovery server.](https://github.com/Tencent/spring-cloud-tencent/pull/42)
 - [fix:fix [Deserialization of Untrusted Data in logback]](https://github.com/Tencent/spring-cloud-tencent/pull/44/files)
 - [feat:support customize registered ip address.](https://github.com/Tencent/spring-cloud-tencent/pull/47)
-- [https://github.com/Tencent/spring-cloud-tencent/pull/51](https://github.com/Tencent/spring-cloud-tencent/pull/51)
 - [fix:fix import default log implement error](https://github.com/Tencent/spring-cloud-tencent/pull/53)
 - [send heartbeat if healthcheck url not configured](https://github.com/Tencent/spring-cloud-tencent/pull/54)
 - [feat:optimize project structure and checkstyle](https://github.com/Tencent/spring-cloud-tencent/pull/56)

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/filter/gateway/scg/MetadataFirstScgFilter.java

@@ -58,7 +58,7 @@ public class MetadataFirstScgFilter implements GlobalFilter, Ordered {
 		MetadataContext metadataContext = exchange
 				.getAttribute(MetadataConstant.HeaderName.METADATA_CONTEXT);
 
-		// TODO 对端命名空间暂时与本地命名空间相同
+		// TODO The peer namespace is temporarily the same as the local namespace
 		metadataContext.putSystemMetadata(
 				MetadataConstant.SystemMetadataKey.PEER_NAMESPACE,
 				MetadataContextHolder.get().getSystemMetadata(

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/filter/gateway/zuul/MetadataFirstZuulFilter.java

@@ -53,7 +53,7 @@ public class MetadataFirstZuulFilter extends ZuulFilter {
 		// get request context
 		RequestContext requestContext = RequestContext.getCurrentContext();
 
-		// TODO 对端命名空间暂时与本地命名空间相同
+		// TODO The peer namespace is temporarily the same as the local namespace
 		MetadataContextHolder.get().putSystemMetadata(
 				MetadataConstant.SystemMetadataKey.PEER_NAMESPACE,
 				MetadataContextHolder.get().getSystemMetadata(

spring-cloud-starter-tencent-metadata-transfer/src/main/java/com/tencent/cloud/metadata/core/interceptor/feign/MetadataFirstFeignInterceptor.java

@@ -42,7 +42,7 @@ public class MetadataFirstFeignInterceptor implements RequestInterceptor, Ordere
 		// get metadata of current thread
 		MetadataContext metadataContext = MetadataContextHolder.get();
 
-		// TODO 对端命名空间暂时与本地命名空间相同
+		// TODO The peer namespace is temporarily the same as the local namespace
 		metadataContext.putSystemMetadata(
 				MetadataConstant.SystemMetadataKey.PEER_NAMESPACE,
 				MetadataContextHolder.get().getSystemMetadata(

spring-cloud-starter-tencent-metadata-transfer/src/test/java/com/tencent/cloud/metadata/core/intercepter/feign/Metadata2HeaderFeignInterceptorTest.java

@@ -68,9 +68,9 @@ public class Metadata2HeaderFeignInterceptorTest {
 	public void test1() throws JsonProcessingException {
 		String metadata = testFeign.test();
 		ObjectMapper mapper = new ObjectMapper();
-		Assertions.assertThat(mapper.readTree(metadata)).isEqualTo(mapper.readTree(
+		Assertions.assertThat(metadata).isEqualTo(
 				"{\"a\":\"11\",\"b\":\"22\",\"c\":\"33\"}{\"LOCAL_SERVICE\":\"test"
-						+ "\",\"LOCAL_PATH\":\"/test\",\"LOCAL_NAMESPACE\":\"default\"}"));
+						+ "\",\"LOCAL_PATH\":\"/test\",\"LOCAL_NAMESPACE\":\"default\"}");
 		Assertions.assertThat(metadataLocalProperties.getContent().get("a"))
 				.isEqualTo("1");
 		Assertions.assertThat(metadataLocalProperties.getContent().get("b"))

spring-cloud-starter-tencent-polaris-circuitbreaker/pom.xml

@@ -23,6 +23,11 @@
 			<groupId>com.tencent.cloud</groupId>
 			<artifactId>spring-cloud-tencent-polaris-context</artifactId>
 		</dependency>
+
+		<dependency>
+			<groupId>com.tencent.cloud</groupId>
+			<artifactId>spring-cloud-starter-tencent-metadata-transfer</artifactId>
+		</dependency>
 		<!-- Spring Cloud Tencent dependencies end -->
 
 		<!-- Polaris dependencies start -->

spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/PolarisFeignClientAutoConfiguration.java

@@ -70,7 +70,7 @@ public class PolarisFeignClientAutoConfiguration {
 
 		@Override
 		public void modify(ConfigurationImpl configuration) {
-			// 开启熔断配置
+			// Enable circuit breaker.
 			configuration.getConsumer().getCircuitBreaker().setEnable(true);
 		}
 

spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/feign/PolarisFeignClientTest.java

@@ -30,6 +30,8 @@ import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringRunner;
 
 /**
+ * Test for {@link PolarisFeignClient}.
+ *
  * @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
  */
 @RunWith(SpringRunner.class)

spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/feign/TestPolarisFeignApp.java

@@ -25,6 +25,8 @@ import org.springframework.stereotype.Component;
 import org.springframework.web.bind.annotation.GetMapping;
 
 /**
+ * Test application.
+ *
  * @author <a href="mailto:liaochuntao@live.com">liaochuntao</a>
  */
 @SpringBootApplication

spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/resources/application.yml

@@ -8,8 +8,8 @@ feign:
     enable: true
   compression:
     request:
-      enabled: false #是否对请求进行GZIP压缩
+      enabled: false
-      mime-types: text/xml,application/xml,application/json #指定压缩的请求数据类型
+      mime-types: text/xml,application/xml,application/json
-      min-request-size: 2048 #超过该大小的请求会被压缩
+      min-request-size: 2048
     response:
-      enabled: false #是否对响应进行GZIP压缩
+      enabled: false

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/discovery/PolarisDiscoveryAutoConfiguration.java

@@ -19,6 +19,7 @@ package com.tencent.cloud.polaris.discovery;
 
 import com.tencent.cloud.polaris.PolarisProperties;
 import com.tencent.cloud.polaris.discovery.reactive.PolarisReactiveDiscoveryClientConfiguration;
+import com.tencent.cloud.polaris.extend.consul.ConsulContextProperties;
 import com.tencent.polaris.api.core.ConsumerAPI;
 import com.tencent.polaris.api.core.ProviderAPI;
 import com.tencent.polaris.api.exception.PolarisException;
@@ -39,7 +40,8 @@ import org.springframework.context.annotation.Import;
 @Configuration(proxyBeanMethods = false)
 @ConditionalOnPolarisDiscoveryEnabled
 @Import({ PolarisDiscoveryClientConfiguration.class,
-		PolarisReactiveDiscoveryClientConfiguration.class })
+		PolarisReactiveDiscoveryClientConfiguration.class,
+		ConsulContextProperties.class })
 public class PolarisDiscoveryAutoConfiguration {
 
 	@Bean

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/extend/consul/ConsulContextProperties.java

@@ -15,7 +15,7 @@
  * specific language governing permissions and limitations under the License.
  */
 
-package com.tencent.cloud.polaris.context.extend.consul;
+package com.tencent.cloud.polaris.extend.consul;
 
 import java.util.ArrayList;
 import java.util.Collections;

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/registry/PolarisAutoServiceRegistration.java

@@ -27,6 +27,8 @@ import org.springframework.cloud.client.serviceregistry.ServiceRegistry;
 import org.springframework.util.StringUtils;
 
 /**
+ * Auto service registration of Polaris.
+ *
  * @author Haotian Zhang, Andrew Shan, Jie Cheng
  */
 public class PolarisAutoServiceRegistration

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/registry/PolarisRegistration.java

@@ -30,6 +30,8 @@ import org.springframework.cloud.client.ServiceInstance;
 import org.springframework.cloud.client.serviceregistry.Registration;
 
 /**
+ * Registration object of Polaris.
+ *
  * @author Haotian Zhang, Andrew Shan, Jie Cheng
  */
 public class PolarisRegistration implements Registration, ServiceInstance {

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistry.java

@@ -45,6 +45,8 @@ import org.springframework.util.StringUtils;
 import static org.springframework.util.ReflectionUtils.rethrowRuntimeException;
 
 /**
+ * Service registry of Polaris.
+ *
  * @author Haotian Zhang, Andrew Shan, Jie Cheng
  */
 public class PolarisServiceRegistry implements ServiceRegistry<Registration> {
@@ -86,7 +88,7 @@ public class PolarisServiceRegistry implements ServiceRegistry<Registration> {
 			log.warn("No service to register for polaris client...");
 			return;
 		}
-		// 注册实例
+		// Register instance.
 		InstanceRegisterRequest instanceRegisterRequest = new InstanceRegisterRequest();
 		instanceRegisterRequest.setNamespace(polarisProperties.getNamespace());
 		instanceRegisterRequest.setService(registration.getServiceId());
@@ -110,7 +112,7 @@ public class PolarisServiceRegistry implements ServiceRegistry<Registration> {
 			if (null != heartbeatExecutor) {
 				InstanceHeartbeatRequest heartbeatRequest = new InstanceHeartbeatRequest();
 				BeanUtils.copyProperties(instanceRegisterRequest, heartbeatRequest);
-				// 注册成功后开始启动心跳线程
+				// Start the heartbeat thread after the registration is successful.
 				heartbeat(heartbeatRequest);
 			}
 		}
@@ -190,7 +192,11 @@ public class PolarisServiceRegistry implements ServiceRegistry<Registration> {
 		heartbeatExecutor.scheduleWithFixedDelay(() -> {
 			try {
 				String healthCheckEndpoint = polarisProperties.getHealthCheckUrl();
-				// 先判断是否配置了health-check-url，如果配置了，需要先进行服务实例健康检查，如果健康检查通过，则进行心跳上报，如果不通过，则不上报心跳
+				// First determine whether health-check-url is configured.
+				// If configured, the service instance health check needs to be executed
+				// first.
+				// If the health check passes, the heartbeat will be reported.
+				// If it does not pass, the heartbeat will not be reported.
 				if (Strings.isNotEmpty(healthCheckEndpoint)) {
 					if (!healthCheckEndpoint.startsWith("/")) {
 						healthCheckEndpoint = "/" + healthCheckEndpoint;

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/registry/PolarisServiceRegistryAutoConfiguration.java

@@ -35,6 +35,8 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 /**
+ * Autoconfiguration of service registry of Polaris.
+ *
  * @author Haotian Zhang, Andrew Shan, Jie Cheng
  */
 @Configuration(proxyBeanMethods = false)

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/ribbon/PolarisDiscoveryRibbonAutoConfiguration.java

@@ -26,6 +26,8 @@ import org.springframework.cloud.netflix.ribbon.RibbonClients;
 import org.springframework.context.annotation.Configuration;
 
 /**
+ * Autoconfiguration of ribbon of Polaris.
+ *
  * @author Haotian Zhang, Andrew Shan, Jie Cheng
  */
 @Configuration(proxyBeanMethods = false)

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/ribbon/PolarisRibbonServerListConfiguration.java

@@ -27,6 +27,8 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 /**
+ * Configuration of server list.
+ *
  * @author Haotian Zhang, Andrew Shan, Jie Cheng
  */
 @Configuration

spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/ribbon/PolarisServerList.java

@@ -30,6 +30,8 @@ import com.tencent.polaris.api.pojo.ServiceInstances;
 import com.tencent.polaris.api.rpc.InstancesResponse;
 
 /**
+ * Server list of Polaris.
+ *
  * @author Haotian Zhang, Andrew Shan, Jie Cheng
  */
 public class PolarisServerList extends AbstractServerList<Server> {

spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/PolarisPropertiesTest.java

@@ -40,13 +40,13 @@ public class PolarisPropertiesTest {
 				new InetUtils(new InetUtilsProperties()));
 		try {
 			temp.setNamespace(NAMESPACE_TEST);
-			temp.getNamespace();
+			assertThat(temp.getNamespace()).isEqualTo(NAMESPACE_TEST);
 
 			temp.setService(SERVICE_PROVIDER);
-			temp.getService();
+			assertThat(temp.getService()).isEqualTo(SERVICE_PROVIDER);
 
 			temp.setToken("xxxxxx");
-			temp.getToken();
+			assertThat(temp.getToken()).isEqualTo("xxxxxx");
 
 			temp.init();
 			assertThat(temp).isNotNull();

spring-cloud-starter-tencent-polaris-discovery/src/test/java/com/tencent/cloud/polaris/ribbon/PolarisServerListTest.java

@@ -108,7 +108,7 @@ public class PolarisServerListTest {
 	 */
 	@Test
 	@SuppressWarnings("unchecked")
-	public void test2() throws Exception {
+	public void test2() {
 		this.contextRunner.run(context -> {
 			// mock
 			IClientConfig iClientConfig = mock(IClientConfig.class);

spring-cloud-starter-tencent-polaris-ratelimit/pom.xml

@@ -27,7 +27,7 @@
 
         <dependency>
             <groupId>com.tencent.cloud</groupId>
-            <artifactId>spring-cloud-tencent-commons</artifactId>
+            <artifactId>spring-cloud-starter-tencent-metadata-transfer</artifactId>
         </dependency>
 		<!-- Spring Cloud Tencent dependencies end -->
 

spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckReactiveFilter.java

@@ -102,7 +102,8 @@ public class QuotaCheckReactiveFilter implements WebFilter, Ordered {
 			}
 		}
 		catch (Throwable t) {
-			// 限流API调用出现异常，不应该影响业务流程的调用
+			// An exception occurs in the rate limiting API call,
+			// which should not affect the call of the business process.
 			LOG.error("fail to invoke getQuota, service is " + localService, t);
 		}
 

spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckServletFilter.java

@@ -90,7 +90,8 @@ public class QuotaCheckServletFilter extends OncePerRequestFilter {
 			}
 		}
 		catch (Throwable t) {
-			// 限流API调用出现异常，不应该影响业务流程的调用
+			// An exception occurs in the rate limiting API call,
+			// which should not affect the call of the business process.
 			LOG.error("fail to invoke getQuota, service is " + localService, t);
 			filterChain.doFilter(request, response);
 		}

spring-cloud-starter-tencent-polaris-router/pom.xml

@@ -18,22 +18,27 @@
 		<dependency>
 			<groupId>com.tencent.cloud</groupId>
 			<artifactId>spring-cloud-tencent-commons</artifactId>
-        </dependency>
+		</dependency>
 
-        <dependency>
+		<dependency>
-            <groupId>com.tencent.cloud</groupId>
+			<groupId>com.tencent.cloud</groupId>
-            <artifactId>spring-cloud-tencent-polaris-context</artifactId>
+			<artifactId>spring-cloud-tencent-polaris-context</artifactId>
-        </dependency>
+		</dependency>
-        <!-- Spring Cloud Tencent dependencies end -->
 
-        <!-- Polaris dependencies start -->
+		<dependency>
-        <dependency>
+			<groupId>com.tencent.cloud</groupId>
-            <groupId>com.tencent.polaris</groupId>
+			<artifactId>spring-cloud-starter-tencent-metadata-transfer</artifactId>
-            <artifactId>polaris-router-factory</artifactId>
+		</dependency>
-        </dependency>
+		<!-- Spring Cloud Tencent dependencies end -->
 
-        <dependency>
+		<!-- Polaris dependencies start -->
-            <groupId>com.tencent.polaris</groupId>
+		<dependency>
+			<groupId>com.tencent.polaris</groupId>
+			<artifactId>polaris-router-factory</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>com.tencent.polaris</groupId>
             <artifactId>polaris-test-common</artifactId>
             <scope>test</scope>
         </dependency>

spring-cloud-starter-tencent-polaris-router/src/main/java/com/tencent/cloud/polaris/router/config/PolarisRibbonClientConfiguration.java

@@ -33,6 +33,8 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 /**
+ * Configuration of ribbon client of Polaris.
+ *
  * @author Haotian Zhang
  */
 @Configuration

spring-cloud-tencent-commons/src/main/java/com/tencent/cloud/common/constant/ContextConstant.java

@@ -20,7 +20,7 @@ package com.tencent.cloud.common.constant;
 /**
  * Constant for Context.
  *
- * @author skyehtzhang
+ * @author Haotian Zhang
  */
 public final class ContextConstant {
 

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/pom.xml

@@ -17,68 +17,16 @@
     </properties>
 
     <dependencies>
-        <dependency>
+		<dependency>
-            <groupId>org.springframework.boot</groupId>
+			<groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-web</artifactId>
+			<artifactId>spring-boot-starter-web</artifactId>
-        </dependency>
+		</dependency>
-
+
-        <dependency>
+		<dependency>
-            <artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
+			<groupId>com.tencent.cloud</groupId>
-            <groupId>com.tencent.cloud</groupId>
+			<artifactId>spring-cloud-starter-tencent-polaris-circuitbreaker</artifactId>
-        </dependency>
+		</dependency>
-
+	</dependencies>
-        <dependency>
-            <artifactId>spring-cloud-starter-tencent-polaris-circuitbreaker</artifactId>
-            <groupId>com.tencent.cloud</groupId>
-        </dependency>
-
-        <dependency>
-            <groupId>com.tencent.cloud</groupId>
-            <artifactId>spring-cloud-tencent-polaris-context</artifactId>
-        </dependency>
-
-        <!-- feign客户端依赖  -->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-openfeign</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>io.github.openfeign</groupId>
-            <artifactId>feign-okhttp</artifactId>
-        </dependency>
-
-        <!-- 负载均衡依赖-->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
-        </dependency>
-
-        <!-- 熔断超时后，重试机制依赖-->
-        <dependency>
-            <groupId>org.springframework.retry</groupId>
-            <artifactId>spring-retry</artifactId>
-        </dependency>
-    </dependencies>
-
-    <dependencyManagement>
-        <dependencies>
-            <!-- import spring boot dependencies management-->
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-dependencies</artifactId>
-                <version>${spring-boot.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-dependencies</artifactId>
-                <version>${spring.cloud.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
 
     <build>
         <plugins>

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ProviderB.java

@@ -21,7 +21,7 @@ import org.springframework.cloud.openfeign.FeignClient;
 import org.springframework.web.bind.annotation.GetMapping;
 
 /**
- * service b provider.
+ * Circuit breaker example callee provider.
  *
  * @author Haotian Zhang
  */

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ProviderBFallback.java

@@ -20,7 +20,7 @@ package com.tencent.cloud.polaris.circuitbreaker.example;
 import org.springframework.stereotype.Component;
 
 /**
- * provider b fallback
+ * Circuit breaker example callee fallback.
  *
  * @author Haotian Zhang
  */

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceA.java

@@ -19,28 +19,26 @@ package com.tencent.cloud.polaris.circuitbreaker.example;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
 import org.springframework.cloud.openfeign.EnableFeignClients;
 import org.springframework.context.annotation.Bean;
 import org.springframework.web.client.RestTemplate;
 
 /**
- * circuitbraker example.
+ * Circuit breaker example caller application.
  *
  * @author Haotian Zhang
  */
 @SpringBootApplication
-@EnableDiscoveryClient
 @EnableFeignClients
 public class ServiceA {
 
+	public static void main(String[] args) {
+		SpringApplication.run(ServiceA.class);
+	}
+
 	@Bean
 	public RestTemplate restTemplate() {
 		return new RestTemplate();
 	}
 
-	public static void main(String[] args) {
-		SpringApplication.run(ServiceA.class);
-	}
-
 }

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceAController.java

@@ -17,15 +17,15 @@
 
 package com.tencent.cloud.polaris.circuitbreaker.example;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.client.RestTemplate;
 
 /**
- * Service A Controller
+ * Circuit breaker example caller controller.
  *
  * @author Haotian Zhang
  */
@@ -33,34 +33,26 @@ import org.springframework.web.client.RestTemplate;
 @RequestMapping("/example/service/a")
 public class ServiceAController {
 
-	private final ProviderB polarisServiceB;
+	@Autowired
+	private ProviderB polarisServiceB;
 
-	private final RestTemplate restTemplate;
+	@Autowired
-
+	private RestTemplate restTemplate;
-	public ServiceAController(ProviderB polarisServiceB, RestTemplate restTemplate) {
-		this.polarisServiceB = polarisServiceB;
-		this.restTemplate = restTemplate;
-	}
-
-	/**
-	 * 获取当前服务的信息
-	 * @return 返回服务信息
-	 */
-	@GetMapping("/info")
-	public String info() {
-		return "hello world ! I'am a service";
-	}
 
 	/**
-	 * 获取B服务的信息
+	 * Get info of Service B by Feign.
-	 * @return 返回B服务的信息
+	 * @return info of Service B
 	 */
 	@GetMapping("/getBServiceInfo")
 	public String getBServiceInfo() {
 		return polarisServiceB.info();
 	}
 
-	@RequestMapping(value = "/testRest", method = RequestMethod.GET)
+	/**
+	 * Get info of Service B by RestTemplate.
+	 * @return info of Service B
+	 */
+	@GetMapping("/testRest")
 	public String testRest() {
 		ResponseEntity<String> entity = restTemplate.getForEntity(
 				"http://polaris-circuitbreaker-example-b/example/service/b/info",

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/resources/bootstrap.yml

@@ -1,5 +1,4 @@
 server:
-  session-timeout: 1800
   port: 48080
 spring:
   application:
@@ -7,29 +6,21 @@ spring:
   cloud:
     polaris:
       address: grpc://127.0.0.1:8091
-global:
-  api:
-    timeout: 5s
-
 feign:
   hystrix:
-    enabled: true #在Feign中开启Hystrix
+    enabled: true
   compression:
     request:
-      enabled: false #是否对请求进行GZIP压缩
+      enabled: false
-      mime-types: text/xml,application/xml,application/json #指定压缩的请求数据类型
+      mime-types: text/xml,application/xml,application/json
-      min-request-size: 2048 #超过该大小的请求会被压缩
+      min-request-size: 2048
     response:
-      enabled: false #是否对响应进行GZIP压缩
+      enabled: false
-
 ribbon:
   polaris:
     enabled: true
-  # 同一实例最大重试次数，不包括首次调用
   MaxAutoRetries: 1
-  # 重试其他实例的最大重试次数，不包括首次所选的server
   MaxAutoRetriesNextServer: 2
-  # 是否所有操作都进行重试
   OkToRetryOnAllOperations: false
   ConnectionTimeout: 1000
   ReadTimeout: 1000

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/resources/polaris.yml

@@ -1,284 +1,14 @@
-#描述:全局配置项
-global:
-  #描述系统相关配置
-  system:
-    #描述:SDK运行模式
-    #类型:enum
-    #范围:0（直连模式，SDK直接对接server）; 1（代理模式，SDK只对接agent, 通过agent进行server的对接）
-    #默认值:0
-    mode: 0
-    #服务发现集群
-    discoverCluster:
-      namespace: Polaris
-      service: polaris.discover
-      #可选：服务刷新间隔
-      refreshInterval: 10m
-    #健康检查集群
-    healthCheckCluster:
-      namespace: Polaris
-      service: polaris.healthcheck
-      #可选：服务刷新间隔
-      refreshInterval: 10m
-    #监控上报集群
-    monitorCluster:
-      namespace: Polaris
-      service: polaris.monitor
-      #可选：服务刷新间隔
-      refreshInterval: 10m
-  api:
-    #描述:api超时时间
-    #类型:string
-    #格式：^\d+(ms|s|m|h)$
-    #范围:[1ms:...]
-    #默认值:1s
-    timeout: 5s
-    #描述:上报间隔
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1ms:...]
-    #默认值:10m
-    reportInterval: 10m
-    #描述:API因为网络原因调用失败后的重试次数
-    #类型:int
-    #范围:[0:...]
-    #默认值:5
-    maxRetryTimes: 5
-    #描述:重试间隔
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1s:...]
-    #默认值:1s
-    retryInterval: 1s
-  #描述:对接polaris server的相关配置
-  serverConnector:
-    #描述:访问server的连接协议，SDK会根据协议名称会加载对应的插件
-    #类型:string
-    #范围:已注册的连接器插件名
-    #默认值:grpc
-    protocol: grpc
-    #描述:发起连接后的连接超时时间
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1ms:...]
-    #默认值:200ms
-    connectTimeout: 500ms
-    #描述:远程请求超时时间
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1ms:...]
-    #默认值:1s
-    messageTimeout: 5s
-    #描述:连接空闲时间，长连接模式下，当连接空闲超过一定时间后，SDK会主动释放连接
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1ms:...]
-    #默认值:1s
-    connectionIdleTimeout: 1s
-    #描述:首次请求的任务队列长度，当用户发起首次服务访问请求时，SDK会对任务进行队列调度并连接server，当积压的任务数超过队列长度后，SDK会直接拒绝首次请求的发起。
-    #类型:int
-    #范围:[0:...]
-    #默认值:1000
-    requestQueueSize: 1000
-    #描述:server节点的切换周期，为了使得server的压力能够均衡，SDK会定期针对最新的节点列表进行重新计算自己当前应该连接的节点，假如和当前不一致，则进行切换
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1m:...]
-    #默认值:10m
-    serverSwitchInterval: 10m
-    plugin:
-      grpc:
-        #描述:GRPC客户端单次最大链路接收报文
-        #类型:int
-        #范围:(0:524288000]
-        maxCallRecvMsgSize: 52428800
-  #统计上报设置
-  statReporter:
-    #描述：是否将统计信息上报至monitor
-    #类型：bool
-    #默认值：true
-    enable: true
-    #描述：启用的统计上报插件类型
-    #类型：list
-    #范围：已经注册的统计上报插件的名字
-    #默认值：stat2Monitor(将信息上报至monitor服务)
-    chain:
-      - stat2Monitor
-      - serviceCache
-    #描述：统计上报插件配置
-    plugin:
-      stat2Monitor:
-        #描述:每次上报多长一段时间的统计信息
-        #类型:string
-        #格式:^\d+(ms|s|m|h)$
-        #范围:[1m:...]
-        metricsReportWindow: 1m
-        #描述:将一段时间内的统计信息分为多少个基本单元收集
-        #类型:int
-        #范围:[1:...]
-        #默认值:12
-        metricsNumBuckets: 12
-      serviceCache:
-        #描述：上报缓存信息的周期
-        reportInterval: 3m
-#描述:主调端配置
 consumer:
-  #描述:本地缓存相关配置
-  localCache:
-    #描述:缓存类型
-    #类型:string
-    #范围:已注册的本地缓存插件名
-    #默认值:inmemory（基于本机内存的缓存策略）
-    type: inmemory
-    #描述:服务过期淘汰时间
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1m:...]
-    #默认值:24h
-    serviceExpireTime: 24h
-    #描述:服务定期刷新周期
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1s:...]
-    #默认值:2s
-    serviceRefreshInterval: 2s
-    #描述:服务缓存持久化目录，SDK在实例数据更新后，按照服务维度将数据持久化到磁盘
-    #类型:string
-    #格式:本机磁盘目录路径，支持$HOME变量
-    #默认值:$HOME/polaris/backup
-    persistDir: ./polaris/backup
-    #描述:缓存写盘失败的最大重试次数
-    #类型:int
-    #范围:[1:...]
-    #默认值:5
-    persistMaxWriteRetry: 5
-    #描述:缓存从磁盘读取失败的最大重试次数
-    #类型:int
-    #范围:[1:...]
-    #默认值:1
-    persistMaxReadRetry: 1
-    #描述:缓存读写磁盘的重试间隔
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1ms:...]
-    #默认值:1s
-    persistRetryInterval: 1s
-  #描述:服务路由相关配置
-  serviceRouter:
-    # 服务路由链
-    chain:
-      # 基于主调和被调服务规则的路由策略(默认的路由策略)
-      - ruleBasedRouter
-      # 就近路由策略
-      - nearbyBasedRouter
-    #描述：服务路由插件的配置
-    plugin:
-      nearbyBasedRouter:
-        #描述:就近路由的最小匹配级别
-        #类型:string
-        #范围:region(大区)、zone(区域)、campus(园区)
-        #默认值:zone
-        matchLevel: zone
-      ruleBasedRouter: { }
-      recoverRouter:
-        #至少应该返回多少比率的实例，如果不填，默认0%，即全死全活
-        percentOfMinInstances: 0
-        #是否开启全死全活，默认开启
-        enableRecoverAll: true
-  #描述:负载均衡相关配置
-  loadbalancer:
-    #描述:负载均衡类型
-    #范围:已注册的负载均衡插件名
-    #默认值：权重随机负载均衡
-    type: weightedRandom
-    plugin:
-      #描述:虚拟节点的数量
-      #类型:int
-      #默认值:500
-      ringHash:
-        vnodeCount: 500
-
-  #描述:节点熔断相关配置
   circuitBreaker:
-    #描述:是否启用节点熔断功能
-    #类型:bool
-    #默认值:true
-    enable: true
-    #描述:实例定时熔断检测周期
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[100ms:...]
-    #默认值:30s
     checkPeriod: 100ms
-    #描述:熔断器半开后最大允许的请求数
-    #类型:int
-    #范围:[3:...]
-    #默认值:10
-    requestCountAfterHalfOpen: 10
-    #描述:熔断器打开后，多久后转换为半开状态
-    #类型:string
-    #格式:^\d+(ms|s|m|h)$
-    #范围:[1s:...]
-    #默认值:30s
-    sleepWindow: 60s
-    #描述:熔断器半开到关闭所必须的最少成功请求数
-    #类型:int
-    #范围:[1:requestCountAfterHalfOpen]
-    #默认值:8
-    successCountAfterHalfOpen: 8
-    #描述:熔断器半开到关闭的统计周期
-    #类型:string
-    #范围:[10s:...]
-    #默认值:60s
-    recoverWindow: 60s
-    #描述:熔断器半开到关闭的统计滑桶数
-    #类型:int
-    #范围:[1:...]
-    #默认值:10
-    recoverNumBuckets: 10
-    #描述:熔断策略，SDK会根据策略名称加载对应的熔断器插件
-    #类型:list
-    #范围:已注册的熔断器插件名
-    #默认值：基于周期连续错误数熔断（errorCount）、以及基于周期错误率的熔断策略（errorRate）
     chain:
       - errorCount
       - errorRate
-    #描述:熔断插件配置
     plugin:
-      #描述:基于周期连续错误数熔断策略配置
       errorCount:
-        #描述:触发连续错误熔断的阈值
-        #类型:int
-        #范围:[1:...]
-        #默认值:10
         continuousErrorThreshold: 1
-        #描述:连续错误数的最小统计单元数量
-        #类型:int
-        #范围:[1:...]
-        #默认值:10
         metricNumBuckets: 1
-        #描述:连续失败的统计周期
-        #类型:string
-        #格式:^\d+(ms|s|m|h)$
-        #范围:[10ms:...]
-        #默认值:1m
-        metricStatTimeWindow: 100ms
-      #描述:基于周期错误率的熔断策略配置
       errorRate:
-        #描述:触发错误率熔断的阈值百分比
+        errorRateThreshold: 100
-        errorRateThreshold: 50
-        #描述:错误率熔断的最小统计单元数量
-        #类型:int
-        #范围:[1:...]
-        #默认值:5
-        metricNumBuckets: 5
-        #描述:错误率熔断的统计周期
-        #类型:string
-        #格式:^\d+(ms|s|m|h)$
-        #范围:[1s:...]
-        #默认值:1m
         metricStatTimeWindow: 1s
-        #描述:触发错误率熔断的最低请求阈值
-        #类型:int
-        #范围:(0:...]
-        #默认值:10
         requestVolumeThreshold: 1

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/pom.xml

@@ -17,66 +17,11 @@
     </properties>
 
     <dependencies>
-        <dependency>
+		<dependency>
-            <groupId>org.springframework.boot</groupId>
+			<groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-webflux</artifactId>
+			<artifactId>spring-boot-starter-webflux</artifactId>
-        </dependency>
+		</dependency>
-
+	</dependencies>
-        <dependency>
-            <artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
-            <groupId>com.tencent.cloud</groupId>
-        </dependency>
-        <dependency>
-            <artifactId>spring-cloud-starter-tencent-polaris-circuitbreaker</artifactId>
-            <groupId>com.tencent.cloud</groupId>
-        </dependency>
-        <dependency>
-            <groupId>com.tencent.cloud</groupId>
-            <artifactId>spring-cloud-tencent-polaris-context</artifactId>
-        </dependency>
-
-        <!-- feign客户端依赖  -->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-openfeign</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>io.github.openfeign</groupId>
-            <artifactId>feign-okhttp</artifactId>
-        </dependency>
-
-        <!-- 负载均衡依赖-->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
-        </dependency>
-
-        <!-- 熔断超时后，重试机制依赖-->
-        <dependency>
-            <groupId>org.springframework.retry</groupId>
-            <artifactId>spring-retry</artifactId>
-        </dependency>
-    </dependencies>
-
-    <dependencyManagement>
-        <dependencies>
-            <!-- import spring boot dependencies management-->
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-dependencies</artifactId>
-                <version>${spring-boot.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-            <dependency>
-                <groupId>org.springframework.cloud</groupId>
-                <artifactId>spring-cloud-dependencies</artifactId>
-                <version>${spring.cloud.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
 
     <build>
         <plugins>

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ProviderA.java

@@ -1,39 +0,0 @@
-/*
- * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
- *
- * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
- *
- * Licensed under the BSD 3-Clause License (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://opensource.org/licenses/BSD-3-Clause
- *
- * Unless required by applicable law or agreed to in writing, software distributed
- * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
-
-package com.tencent.cloud.polaris.circuitbreaker.example;
-
-import org.springframework.cloud.openfeign.FeignClient;
-import org.springframework.web.bind.annotation.GetMapping;
-
-/**
- * service a provider.
- *
- * @author Haotian Zhang
- */
-@FeignClient(name = "polaris-circuitbreaker-example-a",
-		fallback = ProviderAFallback.class)
-public interface ProviderA {
-
-	/**
-	 * Get info of service A.
-	 * @return info of service A
-	 */
-	@GetMapping("/example/service/a/info")
-	String info();
-
-}

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ProviderAFallback.java

@@ -1,35 +0,0 @@
-/*
- * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
- *
- * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
- *
- * Licensed under the BSD 3-Clause License (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://opensource.org/licenses/BSD-3-Clause
- *
- * Unless required by applicable law or agreed to in writing, software distributed
- * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
-
-package com.tencent.cloud.polaris.circuitbreaker.example;
-
-import org.springframework.stereotype.Component;
-
-/**
- * provider a fallback
- *
- * @author Haotian Zhang
- */
-@Component
-public class ProviderAFallback implements ProviderA {
-
-	@Override
-	public String info() {
-		return "trigger the refuse for service a";
-	}
-
-}

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceB.java

@@ -19,28 +19,17 @@ package com.tencent.cloud.polaris.circuitbreaker.example;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
-import org.springframework.cloud.openfeign.EnableFeignClients;
-import org.springframework.context.annotation.Bean;
-import org.springframework.web.client.RestTemplate;
 
 /**
- * circuitbraker example.
+ * Circuit breaker example callee application.
  *
  * @author Haotian Zhang
  */
 @SpringBootApplication
-@EnableDiscoveryClient
-@EnableFeignClients
 public class ServiceB {
 
 	public static void main(String[] args) {
 		SpringApplication.run(ServiceB.class);
 	}
 
-	@Bean
-	public RestTemplate restTemplate() {
-		return new RestTemplate();
-	}
-
 }

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceBController.java

@@ -17,15 +17,13 @@
 
 package com.tencent.cloud.polaris.circuitbreaker.example;
 
-import org.springframework.http.ResponseEntity;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
-import org.springframework.web.client.RestTemplate;
 
 /**
- * Service B Controller
+ * Service B Controller.
  *
  * @author Haotian Zhang
  */
@@ -33,40 +31,21 @@ import org.springframework.web.client.RestTemplate;
 @RequestMapping("/example/service/b")
 public class ServiceBController {
 
-	private final ProviderA polarisServiceA;
+	@Value("${is-throw-runtime-exception:#{true}}")
-
+	private boolean isThrowRuntimeException;
-	private final RestTemplate restTemplate;
-
-	public ServiceBController(ProviderA polarisServiceA, RestTemplate restTemplate) {
-		this.polarisServiceA = polarisServiceA;
-		this.restTemplate = restTemplate;
-	}
 
 	/**
-	 * 获取当前服务的信息
+	 * Get service information.
-	 * @return 返回服务信息
+	 * @return service information
 	 */
 	@GetMapping("/info")
 	public String info() {
-		// return "hello world ! I'am a service";
+		if (isThrowRuntimeException) {
-		throw new RuntimeException("failed for call my service");
+			throw new RuntimeException("failed for call my service");
-	}
+		}
-
+		else {
-	/**
+			return "hello world ! I'm a service B";
-	 * 获取B服务的信息
+		}
-	 * @return 返回B服务的信息
-	 */
-	@GetMapping("/getAServiceInfo")
-	public String getAServiceInfo() {
-		return polarisServiceA.info();
-	}
-
-	@RequestMapping(value = "/testRest", method = RequestMethod.GET)
-	public String testRest() {
-		ResponseEntity<String> entity = restTemplate.getForEntity(
-				"http://polaris-circuitbreaker-example-a/example/service/b/info",
-				String.class);
-		return entity.getBody();
 	}
 
 }

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/src/main/resources/bootstrap.yml

@@ -1,5 +1,4 @@
 server:
-  session-timeout: 1800
   port: 48081
 spring:
   application:
@@ -7,34 +6,4 @@ spring:
   cloud:
     polaris:
       address: grpc://127.0.0.1:8091
-global:
+is-throw-runtime-exception: false
-  api:
-    timeout: 5s
-
-feign:
-  hystrix:
-    enabled: true #在Feign中开启Hystrix
-  compression:
-    request:
-      enabled: false #是否对请求进行GZIP压缩
-      mime-types: text/xml,application/xml,application/json #指定压缩的请求数据类型
-      min-request-size: 2048 #超过该大小的请求会被压缩
-    response:
-      enabled: false #是否对响应进行GZIP压缩
-
-ribbon:
-  polaris:
-    enabled: true
-  # 同一实例最大重试次数，不包括首次调用
-  MaxAutoRetries: 1
-  # 重试其他实例的最大重试次数，不包括首次所选的server
-  MaxAutoRetriesNextServer: 2
-  # 是否所有操作都进行重试
-  OkToRetryOnAllOperations: false
-  ConnectionTimeout: 1000
-  ReadTimeout: 1000
-  eager-load:
-    enabled: on
-
-serivceB:
-  url: http://localhost:48081

spring-cloud-tencent-examples/polaris-circuitbreaker-example/pom.xml

@@ -1,64 +1,38 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		 xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <parent>
+	<parent>
-        <artifactId>spring-cloud-tencent-examples</artifactId>
+		<artifactId>spring-cloud-tencent-examples</artifactId>
-        <groupId>com.tencent.cloud</groupId>
+		<groupId>com.tencent.cloud</groupId>
-        <version>${revision}</version>
+		<version>${revision}</version>
-        <relativePath>../pom.xml</relativePath>
+		<relativePath>../pom.xml</relativePath>
-    </parent>
+	</parent>
-    <modelVersion>4.0.0</modelVersion>
+	<modelVersion>4.0.0</modelVersion>
-
+
-    <artifactId>polaris-circuitbreaker-example</artifactId>
+	<artifactId>polaris-circuitbreaker-example</artifactId>
-    <packaging>pom</packaging>
+	<packaging>pom</packaging>
-
+
-    <modules>
+	<modules>
-        <module>polaris-circuitbreaker-example-a</module>
+		<module>polaris-circuitbreaker-example-a</module>
-        <module>polaris-circuitbreaker-example-b</module>
+		<module>polaris-circuitbreaker-example-b</module>
-    </modules>
+	</modules>
-
+
-    <dependencies>
+	<dependencies>
-        <dependency>
+		<dependency>
-            <groupId>org.springframework.boot</groupId>
+			<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
-            <artifactId>spring-boot-starter-web</artifactId>
+			<groupId>com.tencent.cloud</groupId>
-        </dependency>
+		</dependency>
-
+
-        <dependency>
+		<dependency>
-            <groupId>org.springframework.boot</groupId>
+			<groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
+			<artifactId>spring-cloud-starter-openfeign</artifactId>
-            <scope>test</scope>
+		</dependency>
-        </dependency>
+
-
+		<dependency>
-        <!--  系统服务监控依赖  -->
+			<groupId>org.springframework.cloud</groupId>
-        <dependency>
+			<artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
-            <groupId>org.springframework.boot</groupId>
+		</dependency>
-            <artifactId>spring-boot-starter-actuator</artifactId>
+	</dependencies>
-        </dependency>
-
-        <!-- feign客户端依赖  -->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-openfeign</artifactId>
-        </dependency>
-
-        <!-- 熔断依赖 -->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
-        </dependency>
-
-        <!-- 负载均衡依赖-->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
-        </dependency>
-
-        <!-- 熔断超时后，重试机制依赖-->
-        <dependency>
-            <groupId>org.springframework.retry</groupId>
-            <artifactId>spring-retry</artifactId>
-        </dependency>
-    </dependencies>
 
 </project>

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/pom.xml

@@ -14,21 +14,21 @@
     <name>Polaris Discovery Callee Service</name>
 
     <dependencies>
-        <dependency>
+		<dependency>
-            <artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
+			<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
-            <groupId>com.tencent.cloud</groupId>
+			<groupId>com.tencent.cloud</groupId>
-        </dependency>
+		</dependency>
 
-        <!--        <dependency>-->
+		<!--		<dependency>-->
-        <!--            <groupId>org.springframework.cloud</groupId>-->
+		<!--			<groupId>org.springframework.cloud</groupId>-->
-        <!--            <artifactId>spring-cloud-starter-consul-discovery</artifactId>-->
+		<!--			<artifactId>spring-cloud-starter-consul-discovery</artifactId>-->
-        <!--        </dependency>-->
+		<!--		</dependency>-->
 
-        <!--        <dependency>-->
+		<!--        <dependency>-->
-        <!--            <groupId>org.springframework.cloud</groupId>-->
+		<!--            <groupId>org.springframework.cloud</groupId>-->
-        <!--            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>-->
+		<!--            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>-->
-        <!--        </dependency>-->
+		<!--        </dependency>-->
-    </dependencies>
+	</dependencies>
     <build>
         <plugins>
             <plugin>

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/src/main/java/com/tencent/cloud/polaris/discovery/service/callee/DiscoveryCalleeController.java

@@ -17,27 +17,23 @@
 
 package com.tencent.cloud.polaris.discovery.service.callee;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 /**
+ * Discovery callee controller.
+ *
  * @author Haotian Zhang
  */
 @RestController
 @RequestMapping("/discovery/service/callee")
 public class DiscoveryCalleeController {
 
-	private static Logger logger = LoggerFactory
-			.getLogger(DiscoveryCalleeController.class);
-
 	/**
-	 * 获取当前服务的信息
+	 * Get information of callee.
-	 * @return 返回服务信息
+	 * @return information of callee
 	 */
 	@GetMapping("/info")
 	public String info() {
@@ -45,10 +41,10 @@ public class DiscoveryCalleeController {
 	}
 
 	/**
-	 * 获取相加完的结果
+	 * Get sum of two value.
-	 * @param value1 值1
+	 * @param value1 value 1
-	 * @param value2 值2
+	 * @param value2 value 2
-	 * @return 总值
+	 * @return sum
 	 */
 	@GetMapping("/sum")
 	public int sum(@RequestParam int value1, @RequestParam int value2) {

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/src/main/java/com/tencent/cloud/polaris/discovery/service/callee/DiscoveryCalleeService.java

@@ -19,13 +19,13 @@ package com.tencent.cloud.polaris.discovery.service.callee;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.web.bind.annotation.RestController;
 
 /**
+ * Discovery callee application.
+ *
  * @author Haotian Zhang
  */
 @SpringBootApplication
-@RestController
 public class DiscoveryCalleeService {
 
 	public static void main(String[] args) {

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/src/main/resources/bootstrap.yml

@@ -1,5 +1,4 @@
 server:
-  session-timeout: 1800
   port: 48084
 spring:
   application:

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/src/main/resources/log4j.properties

@@ -1,15 +0,0 @@
-log4j.rootLogger=DEBUG,console,FILE
-
-log4j.appender.console=org.apache.log4j.ConsoleAppender
-log4j.appender.console.threshold=INFO
-log4j.appender.console.layout=org.apache.log4j.PatternLayout
-log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [%5p] - %c -%F(%L) -%m%n
-
-log4j.appender.FILE=org.apache.log4j.RollingFileAppender
-log4j.appender.FILE.Append=true
-
-log4j.appender.FILE.File=applog/%d{yyyy-MM-dd}/%d{yyyy-MM-dd}.log
-log4j.appender.FILE.Threshold=INFO
-log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
-log4j.appender.FILE.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [%5p] - %c -%F(%L) -%m%n
-log4j.appender.FILE.MaxFileSize=10MB

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/src/main/resources/logback-spring.xml

@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<configuration scan="true" scanPeriod="60 seconds" debug="false">
-    <contextName>logback</contextName>
-    <!--输出到控制台-->
-    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder>
-            <pattern>%d{HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern>
-        </encoder>
-    </appender>
-
-    <!--按天生成日志-->
-    <appender name="logFile" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <Prudent>true</Prudent>
-        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
-            <FileNamePattern>
-                applog/%d{yyyy-MM-dd}/%d{yyyy-MM-dd}.log
-            </FileNamePattern>
-        </rollingPolicy>
-        <layout class="ch.qos.logback.classic.PatternLayout">
-            <Pattern>
-                %d{yyyy-MM-dd HH:mm:ss} -%msg%n
-            </Pattern>
-        </layout>
-    </appender>
-    <root level="info">
-        <appender-ref ref="console"/>
-        <appender-ref ref="logFile"/>
-    </root>
-
-</configuration>

spring-cloud-tencent-examples/polaris-discovery-example/discovery-callee-service/src/main/resources/polaris.yml

@@ -1,6 +1,10 @@
-global:
+#global:
-  system:
+#  system:
-    discoverCluster:
+#    discoverCluster:
-      sameAsBuiltin: true
+#      sameAsBuiltin: false
-    healthCheckCluster:
+#      namespace: Polaris
-      sameAsBuiltin: true
+#      service: polaris.discover
+#    healthCheckCluster:
+#      sameAsBuiltin: false
+#      namespace: Polaris
+#      service: polaris.healthcheck

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/pom.xml

@@ -19,9 +19,9 @@
 
     <dependencies>
         <dependency>
-            <artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
+			<groupId>com.tencent.cloud</groupId>
-            <groupId>com.tencent.cloud</groupId>
+			<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
-        </dependency>
+		</dependency>
 
         <!--        <dependency>-->
         <!--            <groupId>org.springframework.cloud</groupId>-->

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/java/com/tencent/cloud/polaris/discovery/service/caller/DiscoveryCalleeService.java

@@ -22,17 +22,19 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
 /**
+ * Discovery callee feign client.
+ *
  * @author Haotian Zhang
  */
 @FeignClient(value = "DiscoveryCalleeService",
-		fallback = DiscoveryCalleeServiceCallback.class)
+		fallback = DiscoveryCalleeServiceFallback.class)
 public interface DiscoveryCalleeService {
 
 	/**
-	 * 求和计算
+	 * Get sum of two value.
-	 * @param value1 值1
+	 * @param value1 value 1
-	 * @param value2 值2
+	 * @param value2 value 2
-	 * @return 总值
+	 * @return sum
 	 */
 	@GetMapping("/discovery/service/callee/sum")
 	int sum(@RequestParam("value1") int value1, @RequestParam("value2") int value2);

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/java/com/tencent/cloud/polaris/discovery/service/caller/DiscoveryCalleeServiceFallback.java

@@ -20,10 +20,12 @@ package com.tencent.cloud.polaris.discovery.service.caller;
 import org.springframework.stereotype.Component;
 
 /**
+ * Discovery callee feign client fallback.
+ *
  * @author Haotian Zhang
  */
 @Component
-public class DiscoveryCalleeServiceCallback implements DiscoveryCalleeService {
+public class DiscoveryCalleeServiceFallback implements DiscoveryCalleeService {
 
 	@Override
 	public int sum(int value1, int value2) {

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/java/com/tencent/cloud/polaris/discovery/service/caller/DiscoveryCallerController.java

@@ -25,6 +25,8 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.client.RestTemplate;
 
 /**
+ * Discovery caller controller.
+ *
  * @author Haotian Zhang
  */
 @RestController
@@ -38,10 +40,10 @@ public class DiscoveryCallerController {
 	private DiscoveryCalleeService discoveryCalleeService;
 
 	/**
-	 * 获取相加完的结果
+	 * Get sum of two value.
-	 * @param value1 值1
+	 * @param value1 value 1
-	 * @param value2 值2
+	 * @param value2 value 2
-	 * @return 总值
+	 * @return sum
 	 */
 	@GetMapping("/feign")
 	public int feign(@RequestParam int value1, @RequestParam int value2) {
@@ -49,8 +51,8 @@ public class DiscoveryCallerController {
 	}
 
 	/**
-	 * 获取被调服务信息
+	 * Get information of callee.
-	 * @return 信息
+	 * @return information of callee
 	 */
 	@GetMapping("/rest")
 	public String rest() {
@@ -60,8 +62,8 @@ public class DiscoveryCallerController {
 	}
 
 	/**
-	 * health check
+	 * health check.
-	 * @return 信息
+	 * @return health check info
 	 */
 	@GetMapping("/healthCheck")
 	public String healthCheck() {

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/java/com/tencent/cloud/polaris/discovery/service/caller/DiscoveryCallerService.java

@@ -26,6 +26,8 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.web.client.RestTemplate;
 
 /**
+ * Discovery caller application.
+ *
  * @author Haotian Zhang
  */
 @SpringBootApplication

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/resources/log4j.properties

@@ -1,15 +0,0 @@
-log4j.rootLogger=DEBUG,console,FILE
-
-log4j.appender.console=org.apache.log4j.ConsoleAppender
-log4j.appender.console.threshold=INFO
-log4j.appender.console.layout=org.apache.log4j.PatternLayout
-log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [%5p] - %c -%F(%L) -%m%n
-
-log4j.appender.FILE=org.apache.log4j.RollingFileAppender
-log4j.appender.FILE.Append=true
-
-log4j.appender.FILE.File=applog/%d{yyyy-MM-dd}/%d{yyyy-MM-dd}.log
-log4j.appender.FILE.Threshold=INFO
-log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
-log4j.appender.FILE.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [%5p] - %c -%F(%L) -%m%n
-log4j.appender.FILE.MaxFileSize=10MB

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/resources/logback-spring.xml

@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<configuration scan="true" scanPeriod="60 seconds" debug="false">
-    <contextName>logback</contextName>
-    <!--输出到控制台-->
-    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder>
-            <pattern>%d{HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern>
-        </encoder>
-    </appender>
-
-    <!--按天生成日志-->
-    <appender name="logFile" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <Prudent>true</Prudent>
-        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
-            <FileNamePattern>
-                applog/%d{yyyy-MM-dd}/%d{yyyy-MM-dd}.log
-            </FileNamePattern>
-        </rollingPolicy>
-        <layout class="ch.qos.logback.classic.PatternLayout">
-            <Pattern>
-                %d{yyyy-MM-dd HH:mm:ss} -%msg%n
-            </Pattern>
-        </layout>
-    </appender>
-
-    <root level="info">
-        <appender-ref ref="console"/>
-        <appender-ref ref="logFile"/>
-    </root>
-
-</configuration>

spring-cloud-tencent-examples/polaris-discovery-example/pom.xml

@@ -1,65 +1,38 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		 xmlns="http://maven.apache.org/POM/4.0.0"
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <parent>
+	<parent>
-        <artifactId>spring-cloud-tencent-examples</artifactId>
+		<artifactId>spring-cloud-tencent-examples</artifactId>
-        <groupId>com.tencent.cloud</groupId>
+		<groupId>com.tencent.cloud</groupId>
-        <version>${revision}</version>
+		<version>${revision}</version>
-        <relativePath>../pom.xml</relativePath>
+		<relativePath>../pom.xml</relativePath>
-    </parent>
+	</parent>
-    <modelVersion>4.0.0</modelVersion>
+	<modelVersion>4.0.0</modelVersion>
-
+
-    <artifactId>polaris-discovery-example</artifactId>
+	<artifactId>polaris-discovery-example</artifactId>
-    <packaging>pom</packaging>
+	<packaging>pom</packaging>
-    <name>Spring Cloud Starter Tencent Polaris Discovery Example</name>
+	<name>Spring Cloud Starter Tencent Polaris Discovery Example</name>
-
+
-    <modules>
+	<modules>
-        <module>discovery-callee-service</module>
+		<module>discovery-callee-service</module>
-        <module>discovery-caller-service</module>
+		<module>discovery-caller-service</module>
-    </modules>
+	</modules>
-
+
-    <dependencies>
+	<dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-
-        <!--  系统服务监控依赖  -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-actuator</artifactId>
         </dependency>
 
-        <!-- feign客户端依赖  -->
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-openfeign</artifactId>
         </dependency>
-
-        <!-- 熔断依赖 -->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
-        </dependency>
-
-        <!-- 负载均衡依赖-->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
-        </dependency>
-
-        <!-- 熔断超时后，重试机制依赖-->
-        <dependency>
-            <groupId>org.springframework.retry</groupId>
-            <artifactId>spring-retry</artifactId>
-        </dependency>
-
     </dependencies>
 </project>

spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeApplication.java

@@ -21,6 +21,8 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 /**
+ * Gateway callee application.
+ *
  * @author Haotian Zhang
  */
 @SpringBootApplication

spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeController.java

@@ -29,6 +29,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 /**
+ * Gateway callee controller.
+ *
  * @author Haotian Zhang
  */
 @RestController
@@ -38,8 +40,8 @@ public class GatewayCalleeController {
 	private static Logger logger = LoggerFactory.getLogger(GatewayCalleeController.class);
 
 	/**
-	 * Get info string
+	 * Get information of callee.
-	 * @return 返回服务信息
+	 * @return information of callee
 	 */
 	@RequestMapping("/info")
 	public String info() {
@@ -47,7 +49,7 @@ public class GatewayCalleeController {
 	}
 
 	/**
-	 * Get metadata in HTTP header
+	 * Get metadata in HTTP header.
 	 */
 	@RequestMapping("/echo")
 	public String echoHeader(

spring-cloud-tencent-examples/polaris-gateway-example/gateway-scg-service/src/main/java/com/tencent/cloud/polaris/gateway/example/scg/GatewayScgApplication.java

@@ -21,6 +21,8 @@ import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 /**
+ * SCG application.
+ *
  * @author Haotian Zhang
  */
 @SpringBootApplication

spring-cloud-tencent-examples/polaris-gateway-example/gateway-zuul-service/pom.xml

@@ -25,14 +25,14 @@
 		</dependency>
 
 		<dependency>
-			<groupId>org.springframework.cloud</groupId>
+			<groupId>com.tencent.cloud</groupId>
-			<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
+			<artifactId>spring-cloud-starter-tencent-metadata-transfer</artifactId>
 		</dependency>
 
 		<dependency>
-			<groupId>org.springframework.boot</groupId>
+			<groupId>org.springframework.cloud</groupId>
-			<artifactId>spring-boot-starter-web</artifactId>
+			<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
 		</dependency>
-    </dependencies>
+	</dependencies>
 
 </project>

spring-cloud-tencent-examples/polaris-gateway-example/gateway-zuul-service/src/main/java/com/tencent/cloud/polaris/gateway/example/zuul/GatewayZuulApplication.java

@@ -22,6 +22,8 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
 
 /**
+ * Zuul application.
+ *
  * @author Haotian Zhang
  */
 @SpringBootApplication

spring-cloud-tencent-examples/polaris-gateway-example/pom.xml

@@ -1,16 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		 xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <parent>
+	<parent>
-        <artifactId>spring-cloud-tencent-examples</artifactId>
+		<artifactId>spring-cloud-tencent-examples</artifactId>
-        <groupId>com.tencent.cloud</groupId>
+		<groupId>com.tencent.cloud</groupId>
-        <version>${revision}</version>
+		<version>${revision}</version>
-        <relativePath>../pom.xml</relativePath>
+		<relativePath>../pom.xml</relativePath>
-    </parent>
+	</parent>
-    <modelVersion>4.0.0</modelVersion>
+	<modelVersion>4.0.0</modelVersion>
-
+
-    <artifactId>polaris-gateway-example</artifactId>
+	<artifactId>polaris-gateway-example</artifactId>
     <packaging>pom</packaging>
     <name>Spring Cloud Starter Tencent Polaris Gateway Example</name>
 
@@ -20,38 +20,6 @@
         <module>gateway-callee-service</module>
     </modules>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-
-        <!-- feign客户端依赖  -->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-openfeign</artifactId>
-        </dependency>
-
-        <!-- 熔断依赖 -->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
-        </dependency>
-
-        <!-- 负载均衡依赖-->
-        <dependency>
-            <groupId>org.springframework.cloud</groupId>
-            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
-        </dependency>
-
-        <!-- 熔断超时后，重试机制依赖-->
-        <dependency>
-            <groupId>org.springframework.retry</groupId>
-            <artifactId>spring-retry</artifactId>
-        </dependency>
-    </dependencies>
-
     <build>
         <plugins>
             <plugin>

spring-cloud-tencent-examples/polaris-ratelimit-example/ratelimit-callee-service/pom.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>polaris-ratelimit-example</artifactId>
@@ -19,14 +19,16 @@
         </dependency>
 
         <dependency>
-            <artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
+			<groupId>com.tencent.cloud</groupId>
-            <groupId>com.tencent.cloud</groupId>
+			<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
-        </dependency>
+		</dependency>
-        <dependency>
+
+		<dependency>
             <groupId>com.tencent.cloud</groupId>
             <artifactId>spring-cloud-starter-tencent-polaris-ratelimit</artifactId>
         </dependency>
-        <dependency>
+
+		<dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-actuator-autoconfigure</artifactId>
         </dependency>

spring-cloud-tencent-examples/polaris-ratelimit-example/ratelimit-callee-service/src/main/java/com/tencent/cloud/ratelimit/example/service/callee/BusinessController.java

@@ -30,6 +30,8 @@ import org.springframework.web.client.RestClientException;
 import org.springframework.web.client.RestTemplate;
 
 /**
+ * Rate limit controller.
+ *
  * @author Haotian Zhang
  */
 @RestController
@@ -45,8 +47,8 @@ public class BusinessController {
 	private String appName;
 
 	/**
-	 * 获取当前服务的信息
+	 * Get information.
-	 * @return 返回服务信息
+	 * @return information
 	 */
 	@GetMapping("/info")
 	public String info() {
@@ -54,7 +56,7 @@ public class BusinessController {
 	}
 
 	@GetMapping("/invoke")
-	public String invokeInfo() throws Exception {
+	public String invokeInfo() {
 		StringBuilder builder = new StringBuilder();
 		for (int i = 0; i < 30; i++) {
 			try {

spring-cloud-tencent-examples/polaris-ratelimit-example/ratelimit-callee-service/src/main/java/com/tencent/cloud/ratelimit/example/service/callee/RateLimitCalleeService.java

@@ -24,6 +24,8 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.web.client.RestTemplate;
 
 /**
+ * Rate limit application.
+ *
  * @author Haotian Zhang
  */
 @SpringBootApplication

spring-cloud-tencent-examples/polaris-ratelimit-example/ratelimit-callee-service/src/main/resources/bootstrap.yml

@@ -1,5 +1,4 @@
 server:
-  session-timeout: 1800
   port: 48081
 spring:
   application:

spring-cloud-tencent-examples/polaris-ratelimit-example/ratelimit-callee-service/src/main/resources/log4j.properties

@@ -1,15 +0,0 @@
-log4j.rootLogger=DEBUG,console,FILE
-
-log4j.appender.console=org.apache.log4j.ConsoleAppender
-log4j.appender.console.threshold=INFO
-log4j.appender.console.layout=org.apache.log4j.PatternLayout
-log4j.appender.console.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [%5p] - %c -%F(%L) -%m%n
-
-log4j.appender.FILE=org.apache.log4j.RollingFileAppender
-log4j.appender.FILE.Append=true
-
-log4j.appender.FILE.File=applog/%d{yyyy-MM-dd}/%d{yyyy-MM-dd}.log
-log4j.appender.FILE.Threshold=INFO
-log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
-log4j.appender.FILE.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [%5p] - %c -%F(%L) -%m%n
-log4j.appender.FILE.MaxFileSize=10MB

spring-cloud-tencent-polaris-context/pom.xml

@@ -52,19 +52,16 @@
             <artifactId>connector-composite</artifactId>
         </dependency>
 
-        <!--依赖resCache插件-->
         <dependency>
             <groupId>com.tencent.polaris</groupId>
             <artifactId>registry-memory</artifactId>
         </dependency>
 
-        <!--依赖flowCache插件-->
         <dependency>
             <groupId>com.tencent.polaris</groupId>
             <artifactId>flow-cache-expired</artifactId>
         </dependency>
 
-        <!--依赖router插件-->
         <dependency>
             <groupId>com.tencent.polaris</groupId>
             <artifactId>router-isolated</artifactId>
@@ -90,7 +87,6 @@
             <artifactId>router-metadata</artifactId>
         </dependency>
 
-        <!--依赖负载均衡插件-->
         <dependency>
             <groupId>com.tencent.polaris</groupId>
             <artifactId>loadbalancer-random</artifactId>

spring-cloud-tencent-polaris-context/src/main/java/com/tencent/cloud/polaris/context/PolarisContextConfiguration.java

@@ -22,7 +22,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 import com.tencent.cloud.common.constant.ContextConstant.ModifierOrder;
-import com.tencent.cloud.polaris.context.extend.consul.ConsulContextProperties;
 import com.tencent.polaris.api.exception.PolarisException;
 import com.tencent.polaris.client.api.SDKContext;
 import com.tencent.polaris.factory.config.ConfigurationImpl;
@@ -38,8 +37,7 @@ import org.springframework.context.annotation.Bean;
  *
  * @author Haotian Zhang
  */
-@EnableConfigurationProperties({ PolarisContextProperties.class,
+@EnableConfigurationProperties(PolarisContextProperties.class)
-		ConsulContextProperties.class })
 public class PolarisContextConfiguration {
 
 	private static final String ADDRESS_SEPARATOR = ",";

spring-cloud-tencent-polaris-context/src/main/resources/META-INF/spring-configuration-metadata.json

@@ -10,9 +10,9 @@
     {
       "name": "spring.cloud.polaris.address",
       "type": "java.lang.String",
-      "description": "polaris server 地址",
+      "description": "polaris server address list that can be separated by \",\"",
       "sourceType": "com.tencent.cloud.polaris.context.PolarisContextProperties"
     }
   ],
   "hints": []
-}
+}

spring-cloud-tencent-polaris-context/src/main/resources/META-INF/spring.factories

@@ -1 +1,2 @@
-org.springframework.boot.autoconfigure.EnableAutoConfiguration=com.tencent.cloud.polaris.context.PolarisContextConfiguration
+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+  com.tencent.cloud.polaris.context.PolarisContextConfiguration