FileUpload: Spring Framework issue with commons-fileupload

Describe the defect Listener of fileUpload is not invoked in advanced mode with common mode uploader.

Reproducer In the source of CommonsFileUploadDecoder, it looks like be possible to handle advanced mode, but simply not working. With native uploader, same code runs without any problem. Environment:

• PF Version: 8.0
• JSF + version: _e.g. Mojarra 2.2.20
• Tomcat 8.5
• Affected browsers: e.g. Chrome, IE, Edge ALL

To Reproduce Steps to reproduce the behavior: 1.

<h:form>  
   <p:fileUpload listener="#{fileUploadView.handleFileUpload}" mode="advanced" dragDropSupport="false"
                  update="messages" sizeLimit="100000" fileLimit="3" allowTypes="/(\.|\/)(gif|jpe?g|png)$/" />
 
    <p:growl id="messages" showDetail="true" />     
</h:form>

Based on the source from the following link. https://www.primefaces.org/showcase/ui/file/upload/single.xhtml

1. Set upload mode to common.

<context-param>
    <param-name>primefaces.UPLOADER</param-name>
    <param-value>commons</param-value><!-- Allowed values: auto, native and commons. -->
</context-param>
<filter>
    <filter-name>primeFacesFileUploadFilter</filter-name>
    <filter-class>org.primefaces.webapp.filter.FileUploadFilter</filter-class>
        <init-param>
	       <param-name>thresholdSize</param-name>
	       <param-value>10000000000</param-value>
	</init-param>
	<init-param>
	        <param-name>uploadDirectory</param-name>
	        <param-value>/tmp/upload/</param-value>
	</init-param>
</filter>
<filter-mapping>
    <filter-name>primeFacesFileUploadFilter</filter-name>
    <servlet-name>facesServlet</servlet-name>
</filter-mapping>

1. Listener not invoked.

Expected behavior It should work in common file upload mode as same as in native file upload mode.

[melloware]

@clockwiser I know this is for Spring Boot but this sounds an awful lot like your issue: https://stackoverflow.com/questions/51149162/spring-boot-streaming-apache-fileupload-stream-ended-unexpectedly

As I said some other Filter in your chain is somehow disturbing this process and corrupting or closing the stream.

[tandraschko]

@melloware better we avoid that. There can be a different form on the client or even no parent form on the server side. (because appendTo e.g.)