Re: Error Struts 7

Added a note about that
https://github.com/apache/struts-site/pull/276

niedz., 5 pa=C5=BA 2025 o 19:45 Lukasz Lenart <[email protected]> nap=
isa=C5=82(a):
>
> 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]> n=
apisa=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 documen=
tation on this.
> > > >>
> > > Files Number Limit
> > >
> > > Since Struts 6.1.2 a new option was added, which uses Commons FileUpl=
oad 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 d=
efault is set to 256. Please always set this to a finite value to prevent D=
oS 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 =
found a debug message in wildfly server.log
> > > >>
> > > 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipar=
t.AbstractMultiPartRequest] (default task-2) Applies max size: xxx to file =
upload request
> > > 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipar=
t.AbstractMultiPartRequest] (default task-2) Applies max files number: 3 to=
 file upload request
> > > 2025-09-30 15:14:22,443 DEBUG [org.apache.struts2.dispatcher.multipar=
t.AbstractMultiPartRequest] (default task-2) Applies max size of single fil=
e: xxx to file upload request
> > > 2025-09-30 15:14:22,483 DEBUG [org.apache.struts2.dispatcher.multipar=
t.AbstractMultiPartRequest] (default task-2) Error parsing the multi-part r=
equest!: org.apache.commons.fileupload2.core.FileUploadFileCountLimitExcept=
ion: attachment
> > >     at deployment.resy.ear//org.apache.commons.fileupload2.core.Abstr=
actFileUpload.lambda$parseRequest$1(AbstractFileUpload.java:465)
> > >     at deployment.resy.ear//org.apache.commons.io.function.IOIterator=
.forEachRemaining(IOIterator.java:77)
> > >     at deployment.resy.ear//org.apache.commons.fileupload2.core.Abstr=
actFileUpload.parseRequest(AbstractFileUpload.java:462)
> > >     at deployment.resy.ear//org.apache.commons.fileupload2.jakarta.se=
rvlet6.JakartaServletFileUpload.parseRequest(JakartaServletFileUpload.java:=
117)
> > >     at deployment.resy.ear//org.apache.struts2.dispatcher.multipart.J=
akartaMultiPartRequest.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-fileupload=
2-core/apidocs/org/apache/commons/fileupload2/core/AbstractFileUpload.html#=
setFileCountMax(long)
> >
> >
> > Cheers
> > =C5=81ukasz