JSF Upload File not working [duplicate] - ajax

Question

This question already has answers here:
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throws an error / not usable
(11 answers)
Closed 5 years ago.
I am trying to call my Controller code from xhtml page. My code is like this to upload a excel file. But, this code is not hitting the Controller. Can anyone help me with fixing this?
<h:form name="addBulkTnForm" id="addBulkTnFormId" enctype="multipart/form-data">
<h:panelGroup id="fileUploadPnGrp">
<p:fileUpload mode="simple" value="#{controller.addTnBulkFile}">
</p:fileUpload>
<p:commandButton value="Upload" listener="#{controller.addBulkTnUpload}" ajax="false"></p:commandButton>
</h:panelGroup>
</h:form>
Here are my dependencies
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-api</artifactId>
<version>2.1.14</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-impl</artifactId>
<version>2.1.14</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.primefaces</groupId>
<artifactId>primefaces</artifactId>
<version>5.2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.primefaces.themes</groupId>
<artifactId>all-themes</artifactId>
<version>1.0.10</version>
</dependency>

Answer 1

Have you configured primefaces upload filter from web.xml?
<context-param>
<param-name>primefaces.UPLOADER</param-name>
<param-value>auto|native|commons</param-value> <!-- One of these -->
</context-param>
<filter>
<filter-name>PrimeFaces FileUpload Filter</filter-name>
<filter-class>org.primefaces.webapp.filter.FileUploadFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>PrimeFaces FileUpload Filter</filter-name>
<servlet-name>Faces Servlet</servlet-name>
</filter-mapping>
You can check https://www.primefaces.org/docs/guide/primefaces_user_guide_5_2.pdf