Polish log

CHANGES.md

@@ -74,6 +74,7 @@ Apollo 1.9.0
 * [Fix Multiple PropertySourcesPlaceholderConfigurer beans registered issue](https://github.com/ctripcorp/apollo/pull/3865)
 * [use jdk 8 to publish apollo-client-config-data](https://github.com/ctripcorp/apollo/pull/3880)
 * [fix apollo config data loader with profiles](https://github.com/ctripcorp/apollo/pull/3870)
+* [polish log](https://github.com/ctripcorp/apollo/pull/3882)
 
 ------------------
 All issues and pull requests are [here](https://github.com/ctripcorp/apollo/milestone/6?closed=1)

apollo-client/src/main/java/com/ctrip/framework/apollo/spring/property/SpringValueRegistry.java

@@ -20,6 +20,7 @@ import com.ctrip.framework.apollo.core.utils.ApolloThreadFactory;
 import com.google.common.collect.LinkedListMultimap;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Multimap;
+import com.google.common.collect.Multimaps;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.Map;
@@ -28,10 +29,13 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
-import com.google.common.collect.Multimaps;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.BeanFactory;
 
 public class SpringValueRegistry {
+  private static final Logger logger = LoggerFactory.getLogger(SpringValueRegistry.class);
+
   private static final long CLEAN_INTERVAL_IN_SECONDS = 5;
   private final Map<BeanFactory, Multimap<String, SpringValue>> registry = Maps.newConcurrentMap();
   private final AtomicBoolean initialized = new AtomicBoolean(false);
@@ -70,7 +74,7 @@ public class SpringValueRegistry {
             try {
               scanAndClean();
             } catch (Throwable ex) {
-              ex.printStackTrace();
+              logger.error(ex.getMessage(), ex);
             }
           }
         }, CLEAN_INTERVAL_IN_SECONDS, CLEAN_INTERVAL_IN_SECONDS, TimeUnit.SECONDS);

apollo-mockserver/src/main/java/com/ctrip/framework/apollo/mockserver/EmbeddedApollo.java

@@ -66,7 +66,7 @@ public class EmbeddedApollo extends ExternalResource {
       CONFIG_SERVICE_LOCATOR_CLEAR = ConfigServiceLocator.class.getDeclaredMethod("initConfigServices");
       CONFIG_SERVICE_LOCATOR_CLEAR.setAccessible(true);
     } catch (NoSuchMethodException e) {
-      e.printStackTrace();
+      logger.error(e.getMessage(), e);
     }
   }