Richfaces 4.3.2 : rich:fileUpload throws NullPointerException

[pramanish]

Hi

I am working on Richfaces 3.x to 4.x migration in my project and while migrating rich:fileUpload I am getting below error, I am not sure what's going wrong here, please help me to understand what's wrong here and how do I solve? or any work around?  Thanks in advance.

Caused by: java.lang.NullPointerException

  at org.richfaces.request.MultipartRequest25.getParameter(MultipartRequest25.java:115)

  at com.sun.faces.context.RequestParameterMap.get(RequestParameterMap.java:80)

  at com.sun.faces.context.RequestParameterMap.get(RequestParameterMap.java:56)

  at java.util.Collections$UnmodifiableMap.get(Collections.java:1339)

  at com.sun.faces.application.view.MultiViewHandler.calculateRenderKitId(MultiViewHandler.java:222)

  at org.jboss.seam.jsf.SeamViewHandler.calculateRenderKitId(SeamViewHandler.java:73)

  at javax.faces.application.ViewHandlerWrapper.calculateRenderKitId(ViewHandlerWrapper.java:157)

  at javax.faces.application.ViewHandlerWrapper.calculateRenderKitId(ViewHandlerWrapper.java:157)

  at com.sun.faces.context.FacesContextImpl.isPostback(FacesContextImpl.java:212)

  at javax.faces.context.FacesContextWrapper.isPostback(FacesContextWrapper.java:461)

  at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:193)

  at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)

  at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:121)

  at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)

  at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646)

  ... 46 more

Thanks,

Manish

[michpetrov]

Hi,

what server are you running this on?

[pramanish]

HI Michal,

I am using wildfly-8.1.0.CR1 and using JSF 2.x, Richfaces 4.3.x along with Seam 2.3.

Thanks,

Manish

[michpetrov]

WildFly uses Java Servlet 3, however fileUpload depends on Servlet 2.5 (and the two are not compatible). We're working on an update but for now you'll have to use JBoss AS 7 or similar.

[pramanish]

Thank you so much Michal for you quick reply. Is there any workaround in richfaces to cope up with this issue? Because we have already gone far in migration and everything seems working except Richfaces fileupload, It will be great, If you can advise us any workaround.

Thanks,

Manish

[michpetrov]

I don't think there is, unfortunately, WildFly is simply newer than most RF releases. We have the code to make it work with Servlet 3.0 (GitHub), but I'm not if there's an easy way to implement it into your own project.