当我使用以下方法上传大约50MB的文件时，我使用springboot + spring security + jetty。根本不调用此方法。但是当文件大小减小到2MB时，效果很好！
@PostMapping(value = "/videos/upload", consumes=MediaType.MULTIPART_FORM_DATA_VALUE)
public BaseResponse<String> uploadVideo(MultipartFile files,
String id) {
postman details 然后发生stackoverflow，如下所示：
2019-10-17 22:01:08.110 WARN org.eclipse.jetty.server.HttpChannel [567][qtp1501846707-61][][][] /videos/upload org.eclipse.jetty.http.BadMessageException: 400: Unable to parse form content
2019-10-17 22:01:08.126 WARN o.e.j.util.MultiPartInputStreamParser [618][qtp1501846707-61][][][] Badly formatted multipart request
2019-10-17 22:01:08.669 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.680 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.689 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.697 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.705 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.713 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.722 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.731 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.739 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.748 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.756 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.765 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.774 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.783 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.792 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.802 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.811 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.821 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.830 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.840 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.849 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.859 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.869 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.879 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.892 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.912 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.929 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.942 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.956 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.970 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.981 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:08.994 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.005 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.015 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.027 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.037 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.048 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.189 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.200 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.212 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.223 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.235 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.246 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.257 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.268 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.280 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.295 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.306 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.318 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.330 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.342 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.357 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.370 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.382 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.394 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.406 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.420 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.445 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.460 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.526 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.543 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.556 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.568 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.580 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.593 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.607 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.619 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.632 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.650 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.663 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.676 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.690 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.703 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.717 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.730 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.748 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.761 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.774 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.786 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.801 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.813 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.826 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.841 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.857 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.870 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.883 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.896 WARN o.s.web.servlet.PageNotFound [221][qtp1501846707-61][][][] Request method 'POST' not supported
2019-10-17 22:01:09.914 WARN o.e.jetty.server.handler.ErrorHandler [126][qtp1501846707-61][][][] EXCEPTION
org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.StackOverflowError
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:990)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:535)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1317)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1219)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:203)
at org.eclipse.jetty.server.Dispatcher.error(Dispatcher.java:81)
at org.eclipse.jetty.server.handler.ErrorHandler.doError(ErrorHandler.java:119)
at org.eclipse.jetty.server.handler.ErrorHandler.handle(ErrorHandler.java:78)
at org.springframework.boot.context.embedded.jetty.JettyEmbeddedErrorHandler.handle(JettyEmbeddedErrorHandler.java:67)
at org.eclipse.jetty.server.Response.sendError(Response.java:655)
at org.eclipse.jetty.server.Response.sendError(Response.java:590)
at org.springframework.web.servlet.resource.ResourceHttpRequestHandler.handleRequest(ResourceHttpRequestHandler.java:436)
at .....
我不知道如何解决此错误，以前有人遇到过此错误吗？ Spring Boot可能是一个很好的工具，但是在这个时候，对我来说太难了。