itemName에 null

Question

public class ServletUploadControllerV2 { @Value("${file.dir}") private String fileDir; @GetMapping("/upload") public String newFile() { return "upload-form"; } @PostMapping("/upload") public String saveFileV1(HttpServletRequest request) throws ServletException, IOException { log.info("request={}", request); String itemName = request.getParameter("itemName"); log.info("itemName={}", itemName); Collection parts = request.getParts(); log.info("parts={}", parts); for (Part part : parts) { log.info("==== PART ===="); log.info("name={}", part.getName()); Collection headerNames = part.getHeaderNames(); for (String headerName : headerNames) { log.info("header {}: {}", headerName, part.getHeader(headerName)); } //편의 메서드 //content-disposition; filename log.info("submittedFileName={}", part.getSubmittedFileName()); log.info("size={}", part.getSize()); //part body size //데이터 읽기 InputStream inputStream = part.getInputStream(); String body = StreamUtils.copyToString(inputStream, StandardCharsets.UTF_8); log.info("body={}", body); //파일에 저장하기 if (StringUtils.hasText(part.getSubmittedFileName())) { String fullPath = fileDir + part.getSubmittedFileName(); log.info("파일 저장 fullPath={}", fullPath); part.write(fullPath); } } return "upload-form"; } } <로그> 2023-08-15 18:53:08.744 INFO 11860 --- [nio-8081-exec-7] h.u.c.ServletUploadControllerV2 : request=org.apache.catalina.connector.RequestFacade@46f8d0d 2023-08-15 18:53:08.744 INFO 11860 --- [nio-8081-exec-7] h.u.c.ServletUploadControllerV2 : itemName=null 2023-08-15 18:53:08.744 INFO 11860 --- [nio-8081-exec-7] h.u.c.ServletUploadControllerV2 : parts=[] 2023-08-15 18:53:08.747 DEBUG 11860 --- [nio-8081-exec-7] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [926] 2023-08-15 18:53:08.747 DEBUG 11860 --- [nio-8081-exec-7] o.a.coyote.http11.Http11InputBuffer : Received [] 2023-08-15 18:53:08.747 DEBUG 11860 --- [nio-8081-exec-7] o.apache.coyote.http11.Http11Processor : Socket: [ org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper@7e5a37d: org.apache.tomcat.util.net .NioChannel@72e2ee37:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8081 remote=/0:0:0:0:0:0:0:1:50696]], Status in: [OPEN_READ], State out: [OPEN] 2023-08-15 18:53:16.474 DEBUG 11860 --- [nio-8081-exec-8] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [926] 2023-08-15 18:53:16.474 DEBUG 11860 --- [nio-8081-exec-9] o.a.coyote.http11.Http11InputBuffer : Before fill(): parsingHeader: [true], parsingRequestLine: [true], parsingRequestLinePhase: [0], parsingRequestLineStart: [0], byteBuffer.position(): [0], byteBuffer.limit(): [0], end: [0] 2023-08-15 18:53:16.474 DEBUG 11860 --- [nio-8081-exec-8] o.apache.coyote.http11.Http11Processor : Error parsing HTTP request header java.io .EOFException: null at org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper.fillReadBuffer( NioEndpoint.java:1347 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper.read( NioEndpoint.java:1234 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11InputBuffer.fill( Http11InputBuffer.java:785 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine( Http11InputBuffer.java:348 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11Processor.service( Http11Processor.java:263 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.AbstractProcessorLight.process( AbstractProcessorLight.java:63 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process( AbstractProtocol.java:926 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net .NioEndpoint$SocketProcessor.doRun( NioEndpoint.java:1791 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net.SocketProcessorBase.run ( SocketProcessorBase.java:52 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker( ThreadPoolExecutor.java:1191 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run( ThreadPoolExecutor.java:659 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run( TaskThread.java:61 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at java.base/java.lang.Thread.run( Thread.java:834 ) ~[na:na] 2023-08-15 18:53:16.474 DEBUG 11860 --- [nio-8081-exec-9] o.apache.coyote.http11.Http11Processor : Error parsing HTTP request header java.io .EOFException: null at org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper.fillReadBuffer( NioEndpoint.java:1347 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper.read( NioEndpoint.java:1234 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11InputBuffer.fill( Http11InputBuffer.java:785 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine( Http11InputBuffer.java:348 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11Processor.service( Http11Processor.java:263 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.AbstractProcessorLight.process( AbstractProcessorLight.java:63 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process( AbstractProtocol.java:926 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net .NioEndpoint$SocketProcessor.doRun( NioEndpoint.java:1791 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net.SocketProcessorBase.run ( SocketProcessorBase.java:52 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker( ThreadPoolExecutor.java:1191 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run( ThreadPoolExecutor.java:659 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run( TaskThread.java:61 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at java.base/java.lang.Thread.run( Thread.java:834 ) ~[na:na] 2023-08-15 18:53:16.474 DEBUG 11860 --- [nio-8081-exec-8] 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$NioSocketWrapper.fillReadBuffer( NioEndpoint.java:1347 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper.read( NioEndpoint.java:1234 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11InputBuffer.fill( Http11InputBuffer.java:785 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine( Http11InputBuffer.java:348 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11Processor.service( Http11Processor.java:263 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.AbstractProcessorLight.process( AbstractProcessorLight.java:63 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process( AbstractProtocol.java:926 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net .NioEndpoint$SocketProcessor.doRun( NioEndpoint.java:1791 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net.SocketProcessorBase.run ( SocketProcessorBase.java:52 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker( ThreadPoolExecutor.java:1191 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run( ThreadPoolExecutor.java:659 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run( TaskThread.java:61 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at java.base/java.lang.Thread.run( Thread.java:834 ) ~[na:na] 2023-08-15 18:53:16.474 DEBUG 11860 --- [nio-8081-exec-8] o.apache.coyote.http11.Http11Processor : Socket: [ org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper@45100ea6: org.apache.tomcat.util.net .NioChannel@3f9eb895:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8081 remote=/0:0:0:0:0:0:0:1:50697]], Status in: [OPEN_READ], State out: [CLOSED] 2023-08-15 18:53:16.474 DEBUG 11860 --- [nio-8081-exec-9] o.apache.coyote.http11.Http11Processor : Error state [CLOSE_CONNECTION_NOW] reported while processing request java.io .EOFException: null at org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper.fillReadBuffer( NioEndpoint.java:1347 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper.read( NioEndpoint.java:1234 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11InputBuffer.fill( Http11InputBuffer.java:785 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine( Http11InputBuffer.java:348 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.http11.Http11Processor.service( Http11Processor.java:263 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.AbstractProcessorLight.process( AbstractProcessorLight.java:63 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process( AbstractProtocol.java:926 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net .NioEndpoint$SocketProcessor.doRun( NioEndpoint.java:1791 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.net.SocketProcessorBase.run ( SocketProcessorBase.java:52 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker( ThreadPoolExecutor.java:1191 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run( ThreadPoolExecutor.java:659 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run( TaskThread.java:61 ) ~[tomcat-embed-core-9.0.78.jar:9.0.78] at java.base/java.lang.Thread.run( Thread.java:834 ) ~[na:na] 2023-08-15 18:53:16.475 DEBUG 11860 --- [nio-8081-exec-9] o.apache.coyote.http11.Http11Processor : Socket: [ org.apache.tomcat.util.net .NioEndpoint$NioSocketWrapper@7e5a37d: org.apache.tomcat.util.net .NioChannel@72e2ee37:java.nio.channels.SocketChannel[connected local=/0:0:0:0:0:0:0:1:8081 remote=/0:0:0:0:0:0:0:1:50696]], Status in: [OPEN_READ], State out: [CLOSED] itemName에서부터 null이 들어가서 오류가 나는 것 같은데 강사님 소스 그대로 붙여넣기 해도 동일한 오류가 발생합니다ㅠㅠ itemName 파라미터를 왜 못 가져올까요,,

luckych · Answer

아,,, 지난 강의때 이 옵션 false 처리한걸 안 바꿨네요..ㅎㅎ true로 바꾸니 작동합니당 spring.servlet.multipart.enabled=false

y2gcoder · Answer

안녕하세요. 차노쓰님, 공식 서포터즈 y2gcoder입니다. 스스로 잘 해결하셨습니다 :)  강의 수강 중 강의 관련 궁금한 사항은 언제든 질문 남겨주세요^^