오류해결 (9) 썸네일형 리스트형 [ERROR ] No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no properties discovered to create BeanSerializer Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.http.converter.HttpMessageConversionException: Type definition error: [simple type, class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer]; nested exception is com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No se.. [8080 포트 충돌] org.apache.catalina.LifecycleException: Failed to start component [Connector[HTTP/1.1-8080]] 문제 발생 : org.apache.catalina.LifecycleException: Failed to start component [Connector[HTTP/1.1-8080]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167) ~[tomcat-embed-core-8.5.11.jar:8.5.11] at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225) ~[tomcat-embed-core-8.5.11.jar:8.5.11] at org.springframework.boot.context.embedded.tomcat.TomcatEmbedd.. [MSSQL]The backup set holds a backup of a database other than the existing https://stackoverflow.com/questions/10204480/the-backup-set-holds-a-backup-of-a-database-other-than-the-existing root~.xml과 servlet.xml 두 곳에 component-scan을 사용하면 충돌 root-context.xml에 servlet-context.xml에 충돌나서 서로 못 읽는 듯? 오류: INFO : org.springframework.web.context.ContextLoader - Root WebApplicationContext: initialization started INFO : org.springframework.web.context.support.XmlWebApplicationContext - Refreshing Root WebApplicationContext: startup date [Wed Jan 17 10:45:16 KST 2018]; root of context hierarchy INFO : org.springframework.beans.factory.xml.XmlB.. @Override is not allowed when implementing interface method https://stackoverflow.com/questions/15402615/override-is-not-allowed-when-implementing-interface-method No mapping found for HTTP request With URI [/] in DispatcherServlet XML 형식의 환경설정을 이용할 때는 web.xml, root-contxt.xml, servlet-context.xml을 자동적으로 잡아주는 틀이 있지만, Spring JAVA 환경 설정을 할 때는 직접 잡게 된다. 따라서 위의 오류가 뜰 경우 확인해야 할 곳은 1. WebApplicationInitializer 구현체 소스에 주소 오류가 없는지 확인 2.WebMvcConfigurerAdapter 구현체 소스에 주소 오류가 없는지 확인(@ComponentScan, viewResolver 등) 3.Controller의 맵핑 주소 및 패키지 주소 확인 java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext 클린 작업 1-1. Servers 탭 > Tomcat 우클릭 > Clean 1-2. Servers 탭 > Tomcat 우클릭 > Clean Tomcat Work Direcotry 1-3. Menu > Project > Clean 1-4. Project Explorer > 프로젝트 우클릭 > Maven > Update Project ※ 전체로그 8월 03, 2016 10:28:19 오후 org.apache.tomcat.util.digester.SetPropertiesRule begin 경고: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:ex05' di.. eclipse-cannot chage version of project facet Dynamic Web Module to 3.0 cannot chage version of project facet Dynamic Web Module to 3.0 workspace에서 관련 poject에서 .setting -> org.eclipse.wst.common.project.facet.core.xml 확인 이전 1 2 다음
