java.lang.ClassCastException: org.ajax4jsf.component.AjaxViewRoot cannot be cast to org.richfaces.component.html.HtmlDataTable

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    java.lang.ClassCastException: org.ajax4jsf.component.AjaxViewRoot cannot be cast to org.richfaces.component.html.HtmlDataTable

    Stack Overflow | 6 months ago | Noussair Oulhaj
    java.lang.ClassCastException: org.ajax4jsf.component.AjaxViewRoot cannot be cast to org.richfaces.component.html.HtmlDataTable

    Root Cause Analysis

    1. java.lang.ClassCastException

      org.ajax4jsf.component.AjaxViewRoot cannot be cast to org.richfaces.component.html.HtmlDataTable

      at org.richfaces.taglib.DataTableTag.setProperties()
    2. org.richfaces.taglib
      DataTableTag.setProperties
      1. org.richfaces.taglib.DataTableTag.setProperties(DataTableTag.java:673)
      1 frame
    3. JavaEE 7
      UIComponentClassicTagBase.doStartTag
      1. javax.faces.webapp.UIComponentClassicTagBase.findComponent(UIComponentClassicTagBase.java:604)
      2. javax.faces.webapp.UIComponentClassicTagBase.doStartTag(UIComponentClassicTagBase.java:1111)
      2 frames
    4. org.apache.jsp
      table_jsp._jspService
      1. org.apache.jsp.pages.table_jsp._jspx_meth_rich_005fdataTable_005f0(table_jsp.java:106)
      2. org.apache.jsp.pages.table_jsp._jspService(table_jsp.java:74)
      2 frames
    5. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      1 frame
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
      1 frame
    7. GWT dev
      JspServletWrapper.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
      1 frame