spring boot ajax를 통한 파일upload 구현 시 콘솔에러

Question

안녕하세요 spring boot 에서 프로젝트를 진행 중입니다.submit을 통한 multipart 파일 업로드를 진행 하였었는데.ajax로 바꿔서 적용을 해 보고 싶어서 적용을 해봤더니 실제로 submit으로 할때처럼 파일 정상 업로드까지 되는걸 확인했으나,콘솔에 에러가 발생하고 있는걸 발견했습니다. tomcat 임시파일 관련 오류인 것 같은데몇시간동안 구글링을 해도 해결이 안되서 질문글 올려봅니다..!제가 구성했던 ajax구문이구요이게 transferTo 를 통한 파일 업로드 핵심구문입니다업로드까지 잘 되고 ajax를 통한 비동기처리까지 모두 잘 되는것까지 확인했는데콘솔을 확인하면2024-02-10T17:59:01.012&#43;09:00[0;39m [31mERROR[0;39m [35m28484[0;39m [2m---[0;39m [2m[nio-1111-exec-1][0;39m [2m[0;39m[36mo.a.c.c.C.[.[.[/].[dispatcherServlet] [0;39m [2m:[0;39m Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exceptionjava.nio.file.NoSuchFileException: C:\Users\kimjh\AppData\Local\Temp	omcat.1111.16969997191133733604\work\Tomcat-1\localhost\ROOT\upload_fc83f62c_db12_421c_aa65_70e370595f48_00000139.tmp at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:85) ~[na:na] at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103) ~[na:na] at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108) ~[na:na] at java.base/sun.nio.fs.WindowsFileSystemProvider.newByteChannel(WindowsFileSystemProvider.java:236) ~[na:na] at java.base/java.nio.file.Files.newByteChannel(Files.java:380) ~[na:na] at java.base/java.nio.file.Files.newByteChannel(Files.java:432) ~[na:na] at java.base/java.nio.file.spi.FileSystemProvider.newInputStream(FileSystemProvider.java:422) ~[na:na] at java.base/java.nio.file.Files.newInputStream(Files.java:160) ~[na:na] at org.apache.tomcat.util.http.fileupload.disk.DiskFileItem.getInputStream(DiskFileItem.java:196) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.ApplicationPart.getInputStream(ApplicationPart.java:97) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.springframework.web.multipart.support.StandardMultipartHttpServletRequest$StandardMultipartFile.getBytes(StandardMultipartHttpServletRequest.java:252) ~[spring-web-6.1.3.jar:6.1.3] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na] at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na] at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na] at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:688) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:772) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:178) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.ObjectArraySerializer.serializeContents(ObjectArraySerializer.java:253) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.ObjectArraySerializer.serialize(ObjectArraySerializer.java:214) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.ObjectArraySerializer.serialize(ObjectArraySerializer.java:23) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:732) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:772) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:178) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:808) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeWithoutTypeInfo(MapSerializer.java:764) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:720) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:35) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:479) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:318) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ObjectWriter$Prefetch.serialize(ObjectWriter.java:1572) ~[jackson-databind-2.15.3.jar:2.15.3] at com.fasterxml.jackson.databind.ObjectWriter.writeValue(ObjectWriter.java:1061) ~[jackson-databind-2.15.3.jar:2.15.3] at org.springframework.web.servlet.view.json.AbstractJackson2View.writeContent(AbstractJackson2View.java:224) ~[spring-webmvc-6.1.3.jar:6.1.3] at org.springframework.web.servlet.view.json.AbstractJackson2View.renderMergedOutputModel(AbstractJackson2View.java:169) ~[spring-webmvc-6.1.3.jar:6.1.3] at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314) ~[spring-webmvc-6.1.3.jar:6.1.3] at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1431) ~[spring-webmvc-6.1.3.jar:6.1.3] at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1167) ~[spring-webmvc-6.1.3.jar:6.1.3] at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1106) ~[spring-webmvc-6.1.3.jar:6.1.3] at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979) ~[spring-webmvc-6.1.3.jar:6.1.3] at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014) ~[spring-webmvc-6.1.3.jar:6.1.3] at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:914) ~[spring-webmvc-6.1.3.jar:6.1.3] at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:547) ~[jakarta.servlet-api-6.0.0.jar:6.0.0] at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885) ~[spring-webmvc-6.1.3.jar:6.1.3] at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614) ~[jakarta.servlet-api-6.0.0.jar:6.0.0] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) ~[tomcat-embed-websocket-10.1.18.jar:10.1.18] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.1.3.jar:6.1.3] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.3.jar:6.1.3] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.1.3.jar:6.1.3] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.3.jar:6.1.3] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.1.3.jar:6.1.3] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.1.3.jar:6.1.3] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:340) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1744) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.18.jar:10.1.18] at java.base/java.lang.Thread.run(Thread.java:840) ~[na:na]다음과 같은 에러가 파일 업로드 할 때 마다 발생합니다.. ㅠ실질적 기능쪽은 문제가 없는거같은데 콘솔에 자꾸 에러메세지가 뜨니 찝찝해서다른코드로 넘어 갈 수가 없는데.. 도와주세요 ㅠ

파리랜서 · Answer

java.nio.file.NoSuchFileException: C:\Users\kimjh\AppData\Local\Temp	omcat.1111.16969997191133733604\work\Tomcat-1\localhost\ROOT\upload_fc83f62c_db12_421c_aa65_70e370595f48_00000139.tmp이부분이 핵심입니다. 무조건 파일이 올라가는게 아니라 임시 파일로 변환돼서 전송이 완료되면 임시파일이 사라지는건데, 업로드하는 파일 위치가 저기로 설정되어있는데 정말로 들어가고 있는거냐 확인해보세요.

spring boot ajax를 통한 파일upload 구현 시 콘솔에러

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