ObjectMapper 작성 후 서버 실행이 안됩니다.

Question

학습하는 분들께 도움이 되고, 더 좋은 답변을 드릴 수 있도록 질문전에 다음을 꼭 확인해주세요. 1. 강의 내용과 관련된 질문을 남겨주세요. 2. 인프런의 질문 게시판과 자주 하는 질문(링크)을 먼저 확인해주세요. (자주 하는 질문 링크: https://bit.ly/3fX6ygx) 3. 질문 잘하기 메뉴얼(링크)을 먼저 읽어주세요. (질문 잘하기 메뉴얼 링크: https://bit.ly/2UfeqCG) 질문 시에는 위 내용은 삭제하고 다음 내용을 남겨주세요. ========================================= [질문 템플릿] 1. 강의 내용과 관련된 질문인가요? (예/아니오) 2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오) 3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오) [질문 내용] 2:50초 ObjectMapper import하고 코드 작성 후 부터 서버 실행이 실패했다고 뜹니다. 처음엔 톰캣 문제인줄 알고 지운후 다시 연동해봤으나 안되고 objectmapper 부분을 주석처리하니 정상적으로 서버 실행이 됩니다.   import com.fasterxml.jackson.databind.ObjectMapper 으로 가져왔는데 혹시 임포트 주소가 잘못된걸까요?

kwanjungkim · Answer

해결했습니다. jackson 관련 라이브러리들을 서버 classpath에도 설정해주니 문제없이 돌아갑니다. 여태 프로젝트 빌드경로만 신경썼는데 서버쪽에도 추가해줘야하는군요 ㅠㅠ

김영한 · Answer

kwanjungkim님 스스로 잘 해결하셨습니다^^

kwanjungkim · Answer

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 구성요소 [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/SpringMVC]]을(를) 시작하지 못했습니다. at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) at java.util.concurrent.FutureTask.run(Unknown Source) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.startup.Catalina.start(Catalina.java:633) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474) Caused by: org.apache.catalina.LifecycleException: 구성요소 [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/SpringMVC]]을(를) 시작하지 못했습니다. at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) at java.util.concurrent.FutureTask.run(Unknown Source) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 21 more Caused by: java.lang.NoClassDefFoundError: Lcom/fasterxml/jackson/databind/ObjectMapper; at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Unknown Source) at java.lang.Class.getDeclaredFields(Unknown Source) at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:110) at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:269) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:137) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:69) at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:330) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:777) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:301) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5052) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 27 more Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.databind.ObjectMapper at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188) ... 40 more 3월 20, 2023 10:32:21 오전 org.apache.catalina.core.ContainerBase startInternal 심각: 자식 컨테이너를 시작 중 실패했습니다. java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 자식 컨테이너를 시작 중 실패했습니다. at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.startup.Catalina.start(Catalina.java:633) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474) Caused by: org.apache.catalina.LifecycleException: 자식 컨테이너를 시작 중 실패했습니다. at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) at java.util.concurrent.FutureTask.run(Unknown Source) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 13 more Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 구성요소 [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/SpringMVC]]을(를) 시작하지 못했습니다. at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) ... 21 more Caused by: org.apache.catalina.LifecycleException: 구성요소 [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/SpringMVC]]을(를) 시작하지 못했습니다. at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) at java.util.concurrent.FutureTask.run(Unknown Source) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 21 more Caused by: java.lang.NoClassDefFoundError: Lcom/fasterxml/jackson/databind/ObjectMapper; at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Unknown Source) at java.lang.Class.getDeclaredFields(Unknown Source) at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:110) at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:269) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:137) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:69) at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:330) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:777) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:301) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5052) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 27 more Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.databind.ObjectMapper at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188) ... 40 more 3월 20, 2023 10:32:21 오전 org.apache.catalina.startup.Catalina start 심각: 필수 항목인 서버 구성요소가 제대로 시작되지 못하여, Tomcat이 시작될 수 없습니다. org.apache.catalina.LifecycleException: 자식 컨테이너를 시작 중 실패했습니다. at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.startup.Catalina.start(Catalina.java:633) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474) Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 자식 컨테이너를 시작 중 실패했습니다. at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) ... 13 more Caused by: org.apache.catalina.LifecycleException: 자식 컨테이너를 시작 중 실패했습니다. at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:928) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) at java.util.concurrent.FutureTask.run(Unknown Source) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 13 more Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: 구성요소 [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/SpringMVC]]을(를) 시작하지 못했습니다. at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:916) ... 21 more Caused by: org.apache.catalina.LifecycleException: 구성요소 [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/SpringMVC]]을(를) 시작하지 못했습니다. at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) at java.util.concurrent.FutureTask.run(Unknown Source) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ... 21 more Caused by: java.lang.NoClassDefFoundError: Lcom/fasterxml/jackson/databind/ObjectMapper; at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Unknown Source) at java.lang.Class.getDeclaredFields(Unknown Source) at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:110) at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:269) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:137) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:69) at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:330) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:777) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:301) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5052) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 27 more Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.databind.ObjectMapper at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188) ... 40 more 3월 20, 2023 10:32:21 오전 org.apache.coyote.AbstractProtocol pause 정보: 프로토콜 핸들러 ["http-nio-8080"]을(를) 일시 정지 중 3월 20, 2023 10:32:21 오전 org.apache.catalina.core.StandardService stopInternal 정보: 서비스 [Catalina]을(를) 중지시킵니다. 3월 20, 2023 10:32:21 오전 org.apache.coyote.AbstractProtocol destroy 정보: 프로토콜 핸들러 ["http-nio-8080"]을(를) 소멸시킵니다. 오류 내용으로는 라이브러리를 못찾는거 같은데, jackson core, annotations, databind 전부 외부 jar로 추가해줬고( 현재 maven 사용불가입니다ㅠ) 코드작성시에도 해당 라이브러리 오류없이 잘 불러오는데 서버 실행시 왜 오류가 뜨는지 모르겠습니다.