Re: Error Struts 7

wt., 30 wrz 2025 o 21:21 Ute Kaiser <[email protected]> napisa=C5=82(a):
> I want to add some comments here about the somehow misleading documentati=
on on this.
> >>
> Files Number Limit
>
> Since Struts 6.1.2 a new option was added, which uses Commons FileUpload =
feature to limit how many files can be uploaded at once, in one request. Th=
is option requires to use Commons FileUpload ver. 1.5 at least and by defau=
lt is set to 256. Please always set this to a finite value to prevent DoS a=
ttacks.
> To change this value define a constant in struts.xml as follows:
> <struts>
>     <constant name=3D"struts.multipart.maxFiles" value=3D"500"/>
> </struts>
> <<
>
> Today, I used
> <constant name=3D"struts.multipart.maxFiles" value=3D"3"/>
> because I have 3 file upload tags on my mask.
> But the application crashed, even with only one file upload,  till I foun=
d a debug message in wildfly server.log
> >>
> 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipart.Ab=
stractMultiPartRequest] (default task-2) Applies max size: xxx to file uplo=
ad request
> 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipart.Ab=
stractMultiPartRequest] (default task-2) Applies max files number: 3 to fil=
e upload request
> 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipart.Ab=
stractMultiPartRequest] (default task-2) Applies max size of single file: x=
xx to file upload request
> 2025-09-30 15:14:22,483 DEBUG [org.apache.struts2.dispatcher.multipart.Ab=
stractMultiPartRequest] (default task-2) Error parsing the multi-part reque=
st!: org.apache.commons.fileupload2.core.FileUploadFileCountLimitException:=
 attachment
>     at deployment.resy.ear//org.apache.commons.fileupload2.core.AbstractF=
ileUpload.lambda$parseRequest$1(AbstractFileUpload.java:465)
>     at deployment.resy.ear//org.apache.commons.io.function.IOIterator.for=
EachRemaining(IOIterator.java:77)
>     at deployment.resy.ear//org.apache.commons.fileupload2.core.AbstractF=
ileUpload.parseRequest(AbstractFileUpload.java:462)
>     at deployment.resy.ear//org.apache.commons.fileupload2.jakarta.servle=
t6.JakartaServletFileUpload.parseRequest(JakartaServletFileUpload.java:117)
>     at deployment.resy.ear//org.apache.struts2.dispatcher.multipart.Jakar=
taMultiPartRequest.processUpload(JakartaMultiPartRequest.java:51)
> <<
> Debugging org.apache.commons told me that all my parameters counted, not =
only the fileupload parameter.

Thanks for pointing this out, I can update the docs only as we base on
what Commons Fileupload provides
https://commons.apache.org/proper/commons-fileupload/commons-fileupload2-co=
re/apidocs/org/apache/commons/fileupload2/core/AbstractFileUpload.html#setF=
ileCountMax(long)


Cheers
=C5=81ukasz