https://bz.apache.org/bugzilla/show_bug.cgi?id=64202
Mark On 17/03/2020 11:46, Srijith Kochunni wrote: > Hi All, > > > > This is to seek help on a strange issue that we are observing. We > recently did a minor upgrade of Tomcat from 9.0.30 to 9.0.31, in our > application, in order to address vulnerability in AJP connector. Ever since > then we have started seeing upload failures with our upload servlet when > processing large files. Small files do get uploaded, but when we upload large > files and we do Multipart file upload, we are randomly and yet consistently > seeing that we get the following exception. > > > > [org.apache.commons.fileupload.FileUploadBase$IOFileUploadException: > Processing of multipart/form-data request failed. Stream ended unexpectedly > > at > org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:351) > > .... > > Caused by: > org.apache.commons.fileupload.MultipartStream$MalformedStreamException: > Stream ended unexpectedly > > at > org.apache.commons.fileupload.MultipartStream$ItemInputStream.makeAvailable(MultipartStream.java:1005) > > at > org.apache.commons.fileupload.MultipartStream$ItemInputStream.read(MultipartStream.java:903) > > at java.io.InputStream.read(InputStream.java:101) > > at org.apache.commons.fileupload.util.Streams.copy(Streams.java:100) > > at org.apache.commons.fileupload.util.Streams.copy(Streams.java:70) > > at > org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:347) > > > > It appears that the connection is getting reset in the middle of > the upload, but the client is very much up and we get PR_CONNECT_RESET_ERROR > on the browser. > > > > My code on the server side is as simple as > > > > DiskFileItemFactory factory = new DiskFileItemFactory(); > > ServletFileUpload fileUpload = new ServletFileUpload(factory); > > > > List fileItems = fileUpload.parseRequest(originalRequest); > > > > > > We would like to know if anyone else has observed this and if there is > any way we can debug this further. When I try to attach and debug, the upload > however seems to go through fine and is only failing when I am not attached > to the process. Any help / suggestions would be much appreciated. > > > > > > > > Thanks, > > > > Srijith. > > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org