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Posted to users@myfaces.apache.org by "Fu, Lieyong" <Li...@VirginMobileUSA.com> on 2006/05/23 02:57:51 UTC

Exception

Can anybody please tell what is this exception about?
Thanks,
Lieyong
 
java.lang.NullPointerException
        at
com.sun.faces.renderkit.html_basic.CommandLinkRenderer.getHiddenFieldNam
e(CommandLinkRenderer.java:136)
        at
com.sun.faces.renderkit.html_basic.CommandLinkRenderer.encodeEnd(Command
LinkRenderer.java:320)
        at
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:712
)
        at
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(Htm
lBasicRenderer.java:443)
        at
com.sun.faces.renderkit.html_basic.GroupRenderer.encodeChildren(GroupRen
derer.java:130)
        at
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.jav
a:693)
        at
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(Htm
lBasicRenderer.java:435)
        at
com.sun.faces.renderkit.html_basic.GridRenderer.encodeChildren(GridRende
rer.java:233)
        at
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.jav
a:693)
        at
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.jav
a:444)
        at
org.apache.myfaces.renderkit.RendererUtils.renderChildren(RendererUtils.
java:427)
        at
org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.jav
a:448)
        at
org.apache.myfaces.custom.layout.HtmlLayoutRenderer.renderTableCell(Html
LayoutRenderer.java:259)
        at
org.apache.myfaces.custom.layout.HtmlLayoutRenderer.renderClassic(HtmlLa
youtRenderer.java:101)
        at
org.apache.myfaces.custom.layout.HtmlLayoutRenderer.encodeEnd(HtmlLayout
Renderer.java:66)
        at
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:712
)
        at
javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:616)
        at
javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:539)
        at
org.apache.myfaces.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBod
yTagBase.java:55)
        at
jsp_servlet._jsp.__home_orders._jspService(home_orders.jsp:65)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
        at
weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(Se
rvletStubImpl.java:1006)
        at
weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.
java:419)
        at
weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.
java:463)
        at
weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.
java:315)
        at
weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatche
rImpl.java:328)
        at
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.j
ava:322)
        at
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.jav
a:147)
        at
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:352
)
        at
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
        at
weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(Se
rvletStubImpl.java:1006)
        at
weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.
java:419)
        at
weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
        at
weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:
27)
        at
org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(Extensi
onsFilter.java:122)
        at
weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:
27)
        at
weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.r
un(WebAppServletContext.java:6724)
        at
weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSu
bject.java:321)
        at
weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121
)
        at
weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServl
etContext.java:3764)
        at
weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.
java:2644)
        at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
        at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
>


Re: Exception

Posted by Mike Kienenberger <mk...@gmail.com>.
Yes, it means you have both the JSF RI 1.1 and Myfaces JSF 1.1 jar
files in your classpath.   Remove one of them.

        at com.sun.faces.application.ViewHandlerImpl....
        at org.apache.myfaces.lifecycle.LifecycleImpl....



On 5/22/06, Fu, Lieyong <Li...@virginmobileusa.com> wrote:
>
>
> Can anybody please tell what is this exception about?
> Thanks,
> Lieyong
>
> java.lang.NullPointerException
>         at
> com.sun.faces.renderkit.html_basic.CommandLinkRenderer.getHiddenFieldName(CommandLinkRenderer.java:136)
>         at
> com.sun.faces.renderkit.html_basic.CommandLinkRenderer.encodeEnd(CommandLinkRenderer.java:320)
>         at
> javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:712)
>         at
> com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:443)
>         at
> com.sun.faces.renderkit.html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:130)
>         at
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:693)
>         at
> com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeRecursive(HtmlBasicRenderer.java:435)
>         at
> com.sun.faces.renderkit.html_basic.GridRenderer.encodeChildren(GridRenderer.java:233)
>         at
> javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:693)
>         at
> org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:444)
>         at
> org.apache.myfaces.renderkit.RendererUtils.renderChildren(RendererUtils.java:427)
>         at
> org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:448)
>         at
> org.apache.myfaces.custom.layout.HtmlLayoutRenderer.renderTableCell(HtmlLayoutRenderer.java:259)
>         at
> org.apache.myfaces.custom.layout.HtmlLayoutRenderer.renderClassic(HtmlLayoutRenderer.java:101)
>         at
> org.apache.myfaces.custom.layout.HtmlLayoutRenderer.encodeEnd(HtmlLayoutRenderer.java:66)
>         at
> javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:712)
>         at
> javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:616)
>         at
> javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:539)
>         at
> org.apache.myfaces.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:55)
>         at
> jsp_servlet._jsp.__home_orders._jspService(home_orders.jsp:65)
>         at
> weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
>         at
> weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)
>         at
> weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
>         at
> weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:463)
>         at
> weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:315)
>         at
> weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:328)
>         at
> com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
>         at
> com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147)
>         at
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:352)
>         at
> javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
>         at
> weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)
>         at
> weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
>         at
> weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
>         at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
>         at
> org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:122)
>         at
> weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
>         at
> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6724)
>         at
> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
>         at
> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
>         at
> weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)
>         at
> weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)
>         at
> weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
>         at
> weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
> >
>