[jboss-user] [JBoss Portal Users] - Re: Tomahawk File Upload

[rashmi_ceru1]

Hi ,

        when we are trying to set the values to  requestparameter map i am getting exception 

Caused by: java.lang.UnsupportedOperationException
        at java.util.Collections$UnmodifiableMap.put(Collections.java:1286)
        at 
javax.portlet.faces.HelloJSFPortlet.processAttachments(HelloJSFPortlet.java:158)
        at 
javax.portlet.faces.HelloJSFPortlet.processAction(HelloJSFPortlet.java:44)
        ... 197 more

i am using org.apache.myfaces.component.html.util.ExtensionsFilter as filter . 
can any you please let me know how to solve this problem . 

this is place where i am getting exception .
req.getParameterMap().put(item.getFieldName(), new String[]{item.getString()});

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