Re: Error Struts 7

Btw. this is already reported
https://issues.apache.org/jira/browse/WW-5474
https://issues.apache.org/jira/browse/FILEUPLOAD-351

niedz., 5 pa=C5=BA 2025 o 19:42 Lukasz Lenart <[email protected]> nap=
isa=C5=82(a):
>
> 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 documenta=
tion on this.
> > >>
> > Files Number Limit
> >
> > Since Struts 6.1.2 a new option was added, which uses Commons FileUploa=
d feature to limit how many files can be uploaded at once, in one request. =
This option requires to use Commons FileUpload ver. 1.5 at least and by def=
ault is set to 256. Please always set this to a finite value to prevent DoS=
 attacks.
> > 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 fo=
und a debug message in wildfly server.log
> > >>
> > 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipart.=
AbstractMultiPartRequest] (default task-2) Applies max size: xxx to file up=
load request
> > 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipart.=
AbstractMultiPartRequest] (default task-2) Applies max files number: 3 to f=
ile upload request
> > 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipart.=
AbstractMultiPartRequest] (default task-2) Applies max size of single file:=
 xxx to file upload request
> > 2025-09-30 15:14:22,483 DEBUG [org.apache.struts2.dispatcher.multipart.=
AbstractMultiPartRequest] (default task-2) Error parsing the multi-part req=
uest!: org.apache.commons.fileupload2.core.FileUploadFileCountLimitExceptio=
n: attachment
> >     at deployment.resy.ear//org.apache.commons.fileupload2.core.Abstrac=
tFileUpload.lambda$parseRequest$1(AbstractFileUpload.java:465)
> >     at deployment.resy.ear//org.apache.commons.io.function.IOIterator.f=
orEachRemaining(IOIterator.java:77)
> >     at deployment.resy.ear//org.apache.commons.fileupload2.core.Abstrac=
tFileUpload.parseRequest(AbstractFileUpload.java:462)
> >     at deployment.resy.ear//org.apache.commons.fileupload2.jakarta.serv=
let6.JakartaServletFileUpload.parseRequest(JakartaServletFileUpload.java:11=
7)
> >     at deployment.resy.ear//org.apache.struts2.dispatcher.multipart.Jak=
artaMultiPartRequest.processUpload(JakartaMultiPartRequest.java:51)
> > <<
> > Debugging org.apache.commons told me that all my parameters counted, no=
t 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-=
core/apidocs/org/apache/commons/fileupload2/core/AbstractFileUpload.html#se=
tFileCountMax(long)
>
>
> Cheers
> =C5=81ukasz