fix:optimize logging.

Author: SkyeBeFreeman

polaris-common/polaris-logging/src/main/resources/polaris-log4j2.xml

@@ -2,6 +2,9 @@
 
 <Configuration status="WARN">
     <Appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+        </Console>
         <RollingFile name="POLARIS_LOG_FILE" fileName="${sys:polaris.log.home}/polaris.log"
                 filePattern="${sys:polaris.log.home}/polaris.log.%d{yyyy-MM-dd}.%i">
             <PatternLayout>
@@ -65,6 +68,9 @@
     </Appenders>
 
     <Loggers>
+        <Root level="error">
+            <AppenderRef ref="Console"/>
+        </Root>
         <Logger name="com.tencent.polaris"
                 level="${sys:polaris.log.level:-info}"
                 additivity="false">

polaris-plugins/polaris-plugins-connector/connector-polaris-grpc/src/main/java/com/tencent/polaris/plugins/connector/grpc/GrpcConnector.java

@@ -257,9 +257,7 @@ public void onNext(DiscoverResponse value) {
                             @Override
                             public void onError(Throwable t) {
                                 countDownLatch.countDown();
-                                LOG.error("[ServerConnector] fail to acquire check event type {}", eventType, t);
-                                throw new PolarisException(ErrorCode.NETWORK_ERROR,
-                                        "[ServerConnector] fail to acquire check event type " + eventType, t);
+                                LOG.warn("[ServerConnector] fail to acquire check event type {}, cause: {}", eventType, t.getMessage());
                             }
 
                             @Override

pom.xml

@@ -64,7 +64,7 @@
 
     <properties>
         <!-- Project revision -->
-        <revision>1.12.6</revision>
+        <revision>1.12.7</revision>
 
         <timestamp>${maven.build.timestamp}</timestamp>
         <skip.maven.deploy>false</skip.maven.deploy>