Great, I just saw that :-)

On 17/03/2020 11:24, Christopher Schultz wrote:
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Manuel.

On 3/17/20 09:25, Manuel Dominguez Sarmiento wrote:
Hi Mark, when is 9.0.32 expected to be released? We've seen this
issue reported by several users, even if we haven't run into this
particular case directly (yet)
9.0.33 was announced about 20 minutes ago :)

- -chris

On 17/03/2020 09:51, Mark Thomas wrote:
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(FileUpload
Base.java:351)



....
Caused by:
org.apache.commons.fileupload.MultipartStream$MalformedStreamExcepti
on:

Stream ended unexpectedly
at
org.apache.commons.fileupload.MultipartStream$ItemInputStream.makeAv
ailable(MultipartStream.java:1005)



at
org.apache.commons.fileupload.MultipartStream$ItemInputStream.read(M
ultipartStream.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(FileUpload
Base.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.






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