08-04mvn 빌드시 에러 해결방법 : [ERROR] Failed to execute goal on project xxx: Could not resolve dependencies for project xxx: Could not find artifact com.xxx:yyy:jar:0.0.1 in xxx
07-08mvn 빌드시 에러 해결방법 : Could not transfer artifact org.apache.maven.plugins:maven-clean-plugin:pom:2.5 from/to central (https://repo.maven.apache.org/maven2): Software caused connection abort: recv failed
07-08Spring의 Bean 관련 annotation @Bean, @Component, @Configuration, @Service, @Controller, @Repository