for: #1931 ,Add a reset Nacos Log Config listener.

spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/logging/NacosLoggingListener.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2013-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.alibaba.cloud.nacos.logging;
+
+import com.alibaba.nacos.client.logging.NacosLogging;
+
+import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.event.GenericApplicationListener;
+import org.springframework.core.Ordered;
+import org.springframework.core.ResolvableType;
+
+/**
+ * Reload nacos log configuration file, after
+ * {@link org.springframework.boot.context.logging.LoggingApplicationListener}.
+ *
+ * @author mai.jh
+ */
+public class NacosLoggingListener implements GenericApplicationListener {
+
+	@Override
+	public boolean supportsEventType(ResolvableType resolvableType) {
+		Class<?> type = resolvableType.getRawClass();
+		if (type != null) {
+			return ApplicationEnvironmentPreparedEvent.class.isAssignableFrom(type);
+		}
+		return false;
+	}
+
+	@Override
+	public void onApplicationEvent(ApplicationEvent applicationEvent) {
+		NacosLogging.getInstance().loadConfiguration();
+	}
+
+	@Override
+	public int getOrder() {
+		return Ordered.HIGHEST_PRECEDENCE + 21;
+	}
+
+}

spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-config/src/main/resources/META-INF/spring.factories

@@ -7,4 +7,6 @@ org.springframework.boot.diagnostics.FailureAnalyzer=\
 com.alibaba.cloud.nacos.diagnostics.analyzer.NacosConnectionFailureAnalyzer
 org.springframework.boot.env.PropertySourceLoader=\
 com.alibaba.cloud.nacos.parser.NacosJsonPropertySourceLoader,\
-com.alibaba.cloud.nacos.parser.NacosXmlPropertySourceLoader
+com.alibaba.cloud.nacos.parser.NacosXmlPropertySourceLoader
+org.springframework.context.ApplicationListener=\
+com.alibaba.cloud.nacos.logging.NacosLoggingListener

spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/discovery/logging/NacosLoggingListener.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2013-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.alibaba.cloud.nacos.discovery.logging;
+
+import com.alibaba.nacos.client.logging.NacosLogging;
+
+import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.event.GenericApplicationListener;
+import org.springframework.core.Ordered;
+import org.springframework.core.ResolvableType;
+
+/**
+ * Reload nacos log configuration file, after
+ * {@link org.springframework.boot.context.logging.LoggingApplicationListener}.
+ *
+ * @author mai.jh
+ */
+public class NacosLoggingListener implements GenericApplicationListener {
+
+	@Override
+	public boolean supportsEventType(ResolvableType resolvableType) {
+		Class<?> type = resolvableType.getRawClass();
+		if (type != null) {
+			return ApplicationEnvironmentPreparedEvent.class.isAssignableFrom(type);
+		}
+		return false;
+	}
+
+	@Override
+	public void onApplicationEvent(ApplicationEvent applicationEvent) {
+		NacosLogging.getInstance().loadConfiguration();
+	}
+
+	@Override
+	public int getOrder() {
+		return Ordered.HIGHEST_PRECEDENCE + 21;
+	}
+
+}

spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/resources/META-INF/spring.factories

@@ -9,3 +9,5 @@ org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
   com.alibaba.cloud.nacos.NacosServiceAutoConfiguration
 org.springframework.cloud.bootstrap.BootstrapConfiguration=\
   com.alibaba.cloud.nacos.discovery.configclient.NacosDiscoveryClientConfigServiceBootstrapConfiguration
+org.springframework.context.ApplicationListener=\
+  com.alibaba.cloud.nacos.discovery.logging.NacosLoggingListener