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스프링 MVC 1편 - 백엔드 웹 개발 핵심 기술

프론트 컨트롤러 도입 - v1

11분쯤 에러

해결된 질문

1070

Lego

작성한 질문수 20

0

감사합니다 항상 강의 잘 듣고 있습니다.

강의 11분 쯤에 서버 구동하고 http://localhost:8080/front-controller/vi/hello 들어간 다음에 인텔리제이에서 System.out.println("FrontControllerServletV1.service");이걸 통해서 잘 출력됐는지 확인을 하는데

저렇게 출력은 잘 나오는데 그 밑으로 에러같이 Error parsing HTTP request header, java.io.EOFException: null 이런 글귀들이 나오는데 어떻게 해야할까요?

 

- - 밑으로 뜨는 구문들 --

2023-03-23 21:06:55.426 DEBUG 7808 --- [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: [703]

2023-03-23 21:06:55.426 DEBUG 7808 --- [nio-8080-exec-1] o.a.coyote.http11.Http11InputBuffer : Received []

2023-03-23 21:06:55.427 DEBUG 7808 --- [nio-8080-exec-1] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@ab8072c:org.apache.tomcat.util.net.NioChannel@63b11b0c:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8080 remote=/0:0:0:0:0:0:0:1:50306]], Status in: [OPEN_READ], State out: [OPEN]

2023-03-23 21:07:03.863 DEBUG 7808 --- [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: [703]

2023-03-23 21:07:03.864 DEBUG 7808 --- [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]

2023-03-23 21:07:03.881 DEBUG 7808 --- [nio-8080-exec-2] o.apache.coyote.http11.Http11Processor : Error parsing HTTP request header

java.io.EOFException: null

at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1340) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1227) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:805) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:360) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:271) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:891) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1784) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]

2023-03-23 21:07:03.882 DEBUG 7808 --- [nio-8080-exec-3] o.apache.coyote.http11.Http11Processor : Error parsing HTTP request header

java.io.EOFException: null

at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1340) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1227) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:805) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:360) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:271) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:891) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1784) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]

2023-03-23 21:07:03.885 DEBUG 7808 --- [nio-8080-exec-2] o.apache.coyote.http11.Http11Processor : Error state [CLOSE_CONNECTION_NOW] reported while processing request

java.io.EOFException: null

at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1340) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1227) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:805) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:360) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:271) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:891) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1784) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]

2023-03-23 21:07:03.885 DEBUG 7808 --- [nio-8080-exec-3] o.apache.coyote.http11.Http11Processor : Error state [CLOSE_CONNECTION_NOW] reported while processing request

java.io.EOFException: null

at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1340) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1227) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:805) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:360) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:271) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:891) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1784) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.71.jar:9.0.71]

at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]

2023-03-23 21:07:03.886 DEBUG 7808 --- [nio-8080-exec-2] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@35f19c10:org.apache.tomcat.util.net.NioChannel@17e39e0c:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8080 remote=/0:0:0:0:0:0:0:1:50307]], Status in: [OPEN_READ], State out: [CLOSED]

2023-03-23 21:07:03.886 DEBUG 7808 --- [nio-8080-exec-3] o.apache.coyote.http11.Http11Processor : Socket: [org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper@ab8072c:org.apache.tomcat.util.net.NioChannel@63b11b0c:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8080 remote=/0:0:0:0:0:0:0:1:50306]], Status in: [OPEN_READ], State out: [CLOSED]

 

spring mvc

답변 1

0

y2gcoder

안녕하세요, Lego 님. 공식 서포터즈 y2gcoder 입니다.

링크(클릭)와 같은 문제로 보입니다. 한 번 확인해보시겠습니까? DEBUG 레벨 로그라 아마 구동에는 영향이 없을 것으로 보입니다.

감사합니다.

0

Lego

(링크에 들어가보니 이미 build.gradle에 잘 설치가 돼있습니다.)

강의를 진행하는데 영향이 없을 것이란 말씀이신가요?

 

0

y2gcoder

네 맞습니다. WARN이나 ERROR 레벨 미만이면 괜찮을 것 같습니다.
당연히 해놓으셨겠지만 스프링 부트 버전도 확인해보시고 맞는 jsp 라이브러리를 추가하셨는지 확인해주시고, build도 다시 해보시길 추천드립니다.

servlet과 container에 대한 질문입니다

0

25

1

api를 어느 컨트롤러에 작성해야하는지는 어떤 기준으로 해야하나요?

0

64

1

jsp 의존성 수정 요청

0

80

2

요즘 웹 서버가 주로 사용되는 이유는 SPA 구조 때문일까요 ?

0

143

1

save() 메서드 문의

0

67

1

절대 경로로 templates/basic 하위 파일 열면 css 적용 안되는 현상

0

101

1

request-body-json

0

83

2

MVC 패턴의 적용 단위

0

97

1

RequestMapping을 이용한 핸들러, 어댑터

0

119

2

save 후 결과화면

0

89

2

jsp를 이용한 view

0

97

1

application.properties에 debug 추가해도 결과가 똑같습니다.

0

178

1

수업 코드 제공 관련 문의

0

97

2

RequestMappingHandlerAdapter의 Controller 호출 과정

0

100

3

파일 오픈 시

0

70

1

스프링 배치 관련

0

78

1

@RequestParam의 defaultValue가 blank 값도 처리하는 지 여부

0

112

1

postman으로 /request-body-json-v1 호출시 500 error

0

96

1

프론트엔드와 백엔드의 mvc, rest api에 대한 질문

0

79

1

모델의 역할과 계층 분리에 대한 이해 차이 + 추가질문

0

111

1

console log 출력 관련 질문입니다.

0

75

1

애플리케이션이 실행 되지 않습니다 ㅠㅠㅠ

0

139

1

html 변경하는 부분 적용 문제

0

103

1

한글 깨짐

0

77

2