wt., 30 wrz 2025 o 21:21 Ute Kaiser <[email protected]> napisał(a): > I want to add some comments here about the somehow misleading documentation > 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. This > option requires to use Commons FileUpload ver. 1.5 at least and by default 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="struts.multipart.maxFiles" value="500"/> > </struts> > << > > Today, I used > <constant name="struts.multipart.maxFiles" value="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.multipart.AbstractMultiPartRequest] (default > task-2) Applies max size: xxx to file upload request > 2025-09-30 15:14:22,443 DEBUG > [org.apache.struts2.dispatcher.multipart.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.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 request!: > org.apache.commons.fileupload2.core.FileUploadFileCountLimitException: > attachment > at > deployment.resy.ear//org.apache.commons.fileupload2.core.AbstractFileUpload.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.AbstractFileUpload.parseRequest(AbstractFileUpload.java:462) > at > deployment.resy.ear//org.apache.commons.fileupload2.jakarta.servlet6.JakartaServletFileUpload.parseRequest(JakartaServletFileUpload.java:117) > at > deployment.resy.ear//org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest.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-core/apidocs/org/apache/commons/fileupload2/core/AbstractFileUpload.html#setFileCountMax(long) Cheers Łukasz --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
