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[Spring] java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet 본문

복습 ARCHIVE/오류

[Spring] java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet

SummerON 2021. 6. 22. 14:51

type Exception report

message Error instantiating servlet class org.springframework.web.servlet.DispatcherServlet

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Error instantiating servlet class org.springframework.web.servlet.DispatcherServlet org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1539) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1495) java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Unknown Source)

root cause

java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1333) org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1167) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132) org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1539) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1495) java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Unknown Source)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.46 logs.

 

배경

스프링프레임워크의 디스패쳐서블릿이 임포트가 안됨 

-> 파일경로, 클래스 이름을 web.xml에서 백번 확인해도 틀린게 없음 

 

원인

메이븐이 있긴 한데, 디펜던시 설정이 안되어있을 경우 메이븐을 통한 임포트가 안됨

 

해결 

Properties -> Deployment Assembly -> Add Click -> Java Build Path Entries -> Next -> Maven Dependencies -> Finish

저작자표시 비영리 변경금지 (새창열림)

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