merge from release_v4.1.2

pom.xml

@@ -121,6 +121,7 @@
                 <artifactId>maven-assembly-plugin</artifactId>
                 <configuration>
                     <finalName>examcloud-app-api</finalName>
+                    <skipAssembly>${skipAssembly}</skipAssembly>
                     <descriptors>
                         <descriptor>assembly.xml</descriptor>
                     </descriptors>

src/main/resources/log4j2.xml

@@ -36,6 +36,7 @@
 
     <Loggers>
         <logger name="springfox.documentation" level="WARN"/>
+        <logger name="org.mongodb.driver" level="WARN"/>
         <logger name="org.springframework" level="WARN"/>
         <logger name="org.hibernate" level="WARN"/>
         <logger name="org.apache" level="WARN"/>