비교적 최신 버전에서 에러가 발생합니다.

이거 해결하셨나요 .. 같은 문제가 발생하는데

java.lang.NoClassDefFoundError: Could not initialize class javax.xml.bind.DatatypeConverterImpl 에러 대처법

와 진짜 너무 감사합니다 ㅋㅋㅋㅋㅋㅋㅋ

안녕하세요 선생님 강의내용대로 WAR로 패키지 만들고, webapp을 만들어도 index.html과 basic.html의 화면이 뜨지 않네요..

실행이되네요.. 뭐가문제였는지 모르겠지만 감사합니다

안녕하세요 선생님 강의내용대로 WAR로 패키지 만들고, webapp을 만들어도 index.html과 basic.html의 화면이 뜨지 않네요..

일단 신경써주셔서 감사합니다. 혹시나 잘못 만들었을까 해서 프로젝트 2~3번 더 만들어서 해본 결과 같은 문제가 발생하여 진행을 못하고있는데.. 프로젝트 코드를 공유해주시면 감사하겠습니다.

안녕하세요 선생님 강의내용대로 WAR로 패키지 만들고, webapp을 만들어도 index.html과 basic.html의 화면이 뜨지 않네요..

(사진) 1. 제대로 쓴거같고, 2.도 똑같이 페이지가 뜨지 않습니다.! 3. 헬로페이지를 실행했을 때의 콘솔 로그입니다. 2021-07-09 11:11:23.941 INFO 7552 --- [ main] hello.servlet.ServletApplication : Starting ServletApplication using Java 11.0.11 on DESKTOP-UT3UMNN with PID 7552 (C:\Users\82109\Desktop\home\servlet (1)\servlet\out\production\classes started by 82109 in C:\Users\82109\Desktop\home\servlet (1)) 2021-07-09 11:11:23.945 INFO 7552 --- [ main] hello.servlet.ServletApplication : No active profile set, falling back to default profiles: default 2021-07-09 11:11:24.626 INFO 7552 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http) 2021-07-09 11:11:24.632 INFO 7552 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2021-07-09 11:11:24.633 INFO 7552 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.43] 2021-07-09 11:11:24.691 INFO 7552 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2021-07-09 11:11:24.691 INFO 7552 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 688 ms 2021-07-09 11:11:24.825 INFO 7552 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor' 2021-07-09 11:11:24.953 INFO 7552 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path '' 2021-07-09 11:11:24.960 INFO 7552 --- [ main] hello.servlet.ServletApplication : Started ServletApplication in 1.465 seconds (JVM running for 2.469) 2021-07-09 11:11:54.063 DEBUG 7552 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Before fill(): [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position() [0] 2021-07-09 11:11:54.063 DEBUG 7552 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Received [GET / HTTP/1.1 Host: localhost:8080 Connection: keep-alive Cache-Control: max-age=0 sec-ch-ua: " Not;A Brand";v="99", "Google Chrome";v="91", "Chromium";v="91" sec-ch-ua-mobile: ?0 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: none Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Accept-Encoding: gzip, deflate, br Accept-Language: ko-KR,ko;q=0.9,en-US;q=0.8,en;q=0.7 ] 2021-07-09 11:11:54.089 INFO 7552 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet 'dispatcherServlet' 2021-07-09 11:11:54.089 INFO 7552 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet' 2021-07-09 11:11:54.090 INFO 7552 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 1 ms 2021-07-09 11:11:54.141 DEBUG 7552 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Before fill(): [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position() [0] 2021-07-09 11:11:54.141 DEBUG 7552 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Received [] 2021-07-09 11:11:54.142 DEBUG 7552 --- [nio-8080-exec-1] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@4f52df0f:org.apache.tomcat.util.net.NioChannel@1b2bbde7:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8080 remote=/0:0:0:0:0:0:0:1:64880]], Status in: [OPEN_READ], State out: [OPEN]

@PreAuthorize에 사용하는 SpEL 문법에 대해 질문드립니다.

스프링 시큐리티의 principal 에 대한 개념이 정확하게 잡힌것 같습니다. 정성스러운 답변 감사합니다!!