code clean:remove unused import.

apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/repository/NamespaceRepository.java

@@ -2,7 +2,6 @@ package com.ctrip.framework.apollo.biz.repository;
 
 import com.ctrip.framework.apollo.biz.entity.Namespace;
 
-import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;

apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/repository/ReleaseHistoryRepository.java

@@ -8,8 +8,6 @@ import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.PagingAndSortingRepository;
 
-import java.util.List;
-
 /**
  * @author Jason Song(song_s@ctrip.com)
  */

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/AbstractConfigFile.java

 package com.ctrip.framework.apollo.internals;
 
 import java.util.List;
-import java.util.Objects;
 import java.util.Properties;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;

apollo-client/src/main/java/com/ctrip/framework/apollo/internals/RemoteConfigLongPollService.java

@@ -3,7 +3,6 @@ package com.ctrip.framework.apollo.internals;
 import com.google.common.base.Joiner;
 import com.google.common.base.Strings;
 import com.google.common.collect.HashMultimap;
-import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Multimap;

apollo-client/src/main/java/com/ctrip/framework/apollo/spring/annotation/ApolloJsonValueProcessor.java

 package com.ctrip.framework.apollo.spring.annotation;
 
 import com.ctrip.framework.apollo.build.ApolloInjector;
-import com.ctrip.framework.apollo.spring.property.AutoUpdateConfigChangeListener;
 import com.ctrip.framework.apollo.spring.property.PlaceholderHelper;
 import com.ctrip.framework.apollo.spring.property.SpringValue;
 import com.ctrip.framework.apollo.spring.property.SpringValueRegistry;
@@ -9,7 +8,6 @@ import com.ctrip.framework.apollo.spring.util.SpringInjector;
 import com.ctrip.framework.apollo.util.ConfigUtil;
 import com.google.common.base.Preconditions;
 import com.google.gson.Gson;
-import com.google.gson.reflect.TypeToken;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.lang.reflect.Type;

apollo-client/src/main/java/com/ctrip/framework/apollo/spring/annotation/SpringValueProcessor.java

 package com.ctrip.framework.apollo.spring.annotation;
 
 import com.ctrip.framework.apollo.build.ApolloInjector;
-import com.ctrip.framework.apollo.spring.property.AutoUpdateConfigChangeListener;
 import com.ctrip.framework.apollo.spring.property.PlaceholderHelper;
 import com.ctrip.framework.apollo.spring.property.SpringValue;
 import com.ctrip.framework.apollo.spring.property.SpringValueDefinition;

apollo-client/src/main/java/com/ctrip/framework/apollo/spring/boot/ApolloApplicationContextInitializer.java

@@ -2,7 +2,6 @@ package com.ctrip.framework.apollo.spring.boot;
 
 import com.ctrip.framework.apollo.Config;
 import com.ctrip.framework.apollo.ConfigService;
-import com.ctrip.framework.apollo.build.ApolloInjector;
 import com.ctrip.framework.apollo.core.ConfigConsts;
 import com.ctrip.framework.apollo.spring.config.ConfigPropertySourceFactory;
 import com.ctrip.framework.apollo.spring.config.PropertySourcesConstants;

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

 package com.ctrip.framework.apollo.spring.property;
 
 import com.ctrip.framework.apollo.ConfigChangeListener;
-import com.ctrip.framework.apollo.build.ApolloInjector;
 import com.ctrip.framework.apollo.enums.PropertyChangeType;
 import com.ctrip.framework.apollo.model.ConfigChange;
 import com.ctrip.framework.apollo.model.ConfigChangeEvent;
-import com.ctrip.framework.apollo.spring.annotation.SpringValueProcessor;
 import com.ctrip.framework.apollo.spring.util.SpringInjector;
 import com.google.gson.Gson;
 import java.lang.reflect.Field;

apollo-configservice/src/main/java/com/ctrip/framework/apollo/configservice/service/config/AbstractConfigService.java

@@ -7,7 +7,6 @@ import com.ctrip.framework.apollo.core.dto.ApolloNotificationMessages;
 
 import com.google.common.base.Strings;
 
-import java.util.Map;
 import java.util.Objects;
 import org.springframework.beans.factory.annotation.Autowired;
 

apollo-configservice/src/main/java/com/ctrip/framework/apollo/configservice/wrapper/DeferredResultWrapper.java

@@ -3,7 +3,6 @@ package com.ctrip.framework.apollo.configservice.wrapper;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 
-import com.ctrip.framework.apollo.core.dto.ApolloConfig;
 import com.ctrip.framework.apollo.core.dto.ApolloConfigNotification;
 
 import org.springframework.http.HttpStatus;

apollo-demo/src/main/java/com/ctrip/framework/apollo/demo/spring/javaConfigDemo/AnnotationApplication.java

@@ -9,7 +9,6 @@ import java.io.InputStreamReader;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 
-import java.util.Scanner;
 
 /**
  * @author Jason Song(song_s@ctrip.com)

apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/util/OpenApiBeanUtils.java

@@ -4,7 +4,6 @@ import com.google.common.base.Preconditions;
 import com.google.common.reflect.TypeToken;
 import com.google.gson.Gson;
 
-import com.ctrip.framework.apollo.common.dto.AppNamespaceDTO;
 import com.ctrip.framework.apollo.common.dto.ItemDTO;
 import com.ctrip.framework.apollo.common.dto.NamespaceLockDTO;
 import com.ctrip.framework.apollo.common.dto.ReleaseDTO;

apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/api/AdminServiceAPI.java

@@ -20,7 +20,6 @@ import com.ctrip.framework.apollo.core.enums.Env;
 
 import org.springframework.boot.actuate.health.Health;
 import org.springframework.core.ParameterizedTypeReference;
-import org.springframework.data.domain.Pageable;
 import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;

apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/AdminServiceAddressLocator.java

@@ -12,8 +12,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.web.HttpMessageConverters;
-import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
-import org.springframework.http.client.SimpleClientHttpRequestFactory;
 import org.springframework.stereotype.Component;
 import org.springframework.util.CollectionUtils;
 import org.springframework.web.client.RestTemplate;

apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/service/AppNamespaceService.java

@@ -3,7 +3,6 @@ package com.ctrip.framework.apollo.portal.service;
 import com.ctrip.framework.apollo.common.entity.App;
 import com.ctrip.framework.apollo.common.entity.AppNamespace;
 import com.ctrip.framework.apollo.common.exception.BadRequestException;
-import com.ctrip.framework.apollo.common.exception.ServiceException;
 import com.ctrip.framework.apollo.core.ConfigConsts;
 import com.ctrip.framework.apollo.core.enums.ConfigFileFormat;
 import com.ctrip.framework.apollo.core.utils.StringUtils;

apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/spi/UserService.java

@@ -3,7 +3,6 @@ package com.ctrip.framework.apollo.portal.spi;
 import com.ctrip.framework.apollo.portal.entity.bo.UserInfo;
 
 import java.util.List;
-import java.util.Set;
 
 /**
  * @author Jason Song(song_s@ctrip.com)