Hi,
I have got the following exception and I do not know where is the problem:
Can You help me ?
javax.servlet.ServletException: javax.servlet.jsp.JspException: null
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:844)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
org.apache.jsp.test.myfaces_005fdt_jsp._jspService(org.apache.jsp.test.myfaces_005fdt_jsp:125)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
*root cause*
java.lang.NullPointerException
com.sun.faces.renderkit.html_basic.CommandLinkRenderer.getHiddenFieldName(CommandLinkRenderer.java:136)
com.sun.faces.renderkit.html_basic.CommandLinkRenderer.encodeEnd(CommandLinkRenderer.java:318)
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:720)
org.apache.myfaces.custom.datascroller.HtmlDataScrollerRenderer.renderFacet(HtmlDataScrollerRenderer.java:294)
org.apache.myfaces.custom.datascroller.HtmlDataScrollerRenderer.renderScroller(HtmlDataScrollerRenderer.java:236)
org.apache.myfaces.custom.datascroller.HtmlDataScrollerRenderer.encodeEnd(HtmlDataScrollerRenderer.java:207)
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:720)
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:443)
com.sun.faces.renderkit.html_basic.GridRenderer.encodeChildren(GridRenderer.java:233)
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:701)
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:435)
com.sun.faces.renderkit.html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:130)
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:701)
javax.faces.webapp.UIComponentTag.encodeChildren(UIComponentTag.java:607)
javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:544)
com.sun.faces.taglib.html_basic.PanelGroupTag.doEndTag(PanelGroupTag.java:116)
org.apache.jsp.test.myfaces_005fdt_jsp._jspx_meth_h_panelGroup_0(org.apache.jsp.test.myfaces_005fdt_jsp:197)
org.apache.jsp.test.myfaces_005fdt_jsp._jspx_meth_f_view_0(org.apache.jsp.test.myfaces_005fdt_jsp:153)
org.apache.jsp.test.myfaces_005fdt_jsp._jspService(org.apache.jsp.test.myfaces_005fdt_jsp:112)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
regards
