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) 예2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? (예/아니오) 아니오. (있지만 해결x)3. 질문 잘하기 메뉴얼을 읽어보셨나요? (예/아니오) 예[질문 내용]강의와 같이 logging.level.org.apache.coyote.http11=debug 를 적용하고 나면 헤더 정보는 잘 나오지만 헤더 정보 아래에 EOF 오류 내용이 같이 나옵니다.다른 질문에서 답변하신 내용(다른글 해결법)을 따라해봐도 똑같습니다.application.proterties에서 경고가 뜨는데 이거와 관련된 사항인지는 모르겠습니다. 아래 사진은 로그에서 뜬 에러부분입니다.[전체 로그]오후 4:46:17: Executing ':ServletApplication.main()'...> Task :compileJava UP-TO-DATE> Task :processResources UP-TO-DATE> Task :classes UP-TO-DATE> Task :ServletApplication.main() . ____ _ /\\ / ___'_ __ (_)_ _ \ \ \ \( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.7.11)2023-04-29 16:46:19.611 INFO 13608 --- [ main] hello.servlet.ServletApplication : Starting ServletApplication using Java 11.0.19 on 960691 with PID 13608 (C:\Users\CKIRUser\IdeaProjects\Spring_MVC_part1\build\classes\java\main started by CKIRUser in C:\Users\CKIRUser\IdeaProjects\Spring_MVC_part1)2023-04-29 16:46:19.615 INFO 13608 --- [ main] hello.servlet.ServletApplication : No active profile set, falling back to 1 default profile: "default"2023-04-29 16:46:21.028 INFO 13608 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)2023-04-29 16:46:21.049 INFO 13608 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]2023-04-29 16:46:21.049 INFO 13608 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.74]2023-04-29 16:46:21.243 INFO 13608 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext2023-04-29 16:46:21.244 INFO 13608 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1511 ms2023-04-29 16:46:21.602 INFO 13608 --- [ main] o.s.b.a.w.s.WelcomePageHandlerMapping : Adding welcome page: ServletContext resource [/index.html]2023-04-29 16:46:21.919 INFO 13608 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8080 (http) with context path ''2023-04-29 16:46:21.932 INFO 13608 --- [ main] hello.servlet.ServletApplication : Started ServletApplication in 3.094 seconds (JVM running for 3.585)2023-04-29 16:46:26.629 DEBUG 13608 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [0]2023-04-29 16:46:26.630 DEBUG 13608 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Received [GET /basic.html HTTP/1.1Host: localhost:8080Connection: keep-aliveCache-Control: max-age=0sec-ch-ua: " Not A;Brand";v="99", "Chromium";v="98", "Microsoft Edge";v="98"sec-ch-ua-mobile: ?0sec-ch-ua-platform: "Windows"Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36 Edg/98.0.1108.56Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9Sec-Fetch-Site: same-originSec-Fetch-Mode: navigateSec-Fetch-User: ?1Sec-Fetch-Dest: documentReferer: http://localhost:8080/Accept-Encoding: gzip, deflate, brAccept-Language: ko,en;q=0.9,en-US;q=0.8If-Modified-Since: Sat, 29 Apr 2023 07:31:04 GMT]2023-04-29 16:46:26.672 INFO 13608 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet 'dispatcherServlet'2023-04-29 16:46:26.672 INFO 13608 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet 'dispatcherServlet'2023-04-29 16:46:26.674 INFO 13608 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 2 ms2023-04-29 16:46:26.720 DEBUG 13608 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [803]2023-04-29 16:46:26.721 DEBUG 13608 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Received []2023-04-29 16:46:26.723 DEBUG 13608 --- [nio-8080-exec-1] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@5fab773e:org.apache.tomcat.util.net.NioChannel@643c15bf:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8080 remote=/0:0:0:0:0:0:0:1:60731]], Status in: [OPEN_READ], State out: [OPEN]2023-04-29 16:46:31.060 DEBUG 13608 --- [nio-8080-exec-2] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [803]2023-04-29 16:46:31.062 DEBUG 13608 --- [nio-8080-exec-3] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [0]2023-04-29 16:46:31.069 DEBUG 13608 --- [nio-8080-exec-3] o.apache.coyote.http11.Http11Processor : Error parsing HTTP request headerjava.io.EOFException: null at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1347) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1234) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:785) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:348) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:262) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na]2023-04-29 16:46:31.070 DEBUG 13608 --- [nio-8080-exec-2] o.apache.coyote.http11.Http11Processor : Error parsing HTTP request headerjava.io.EOFException: null at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1347) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1234) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:785) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:348) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:262) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na]2023-04-29 16:46:31.071 DEBUG 13608 --- [nio-8080-exec-3] o.apache.coyote.http11.Http11Processor : Error state [CLOSE_CONNECTION_NOW] reported while processing requestjava.io.EOFException: null at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1347) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1234) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:785) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:348) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:262) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na]2023-04-29 16:46:31.071 DEBUG 13608 --- [nio-8080-exec-3] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@5fab773e:org.apache.tomcat.util.net.NioChannel@643c15bf:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8080 remote=/0:0:0:0:0:0:0:1:60731]], Status in: [OPEN_READ], State out: [CLOSED]2023-04-29 16:46:31.071 DEBUG 13608 --- [nio-8080-exec-2] o.apache.coyote.http11.Http11Processor : Error state [CLOSE_CONNECTION_NOW] reported while processing requestjava.io.EOFException: null at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1347) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1234) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:785) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:348) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:262) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.74.jar:9.0.74] at java.base/java.lang.Thread.run(Thread.java:829) ~[na:na]2023-04-29 16:46:31.072 DEBUG 13608 --- [nio-8080-exec-2] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@63a885d8:org.apache.tomcat.util.net.NioChannel@2b29aa4:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8080 remote=/0:0:0:0:0:0:0:1:60730]], Status in: [OPEN_READ], State out: [CLOSED]