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From "John Norvell (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (WW-2762) struts2 nested tiles
Date Thu, 16 Oct 2008 15:18:37 GMT

    [ https://issues.apache.org/struts/browse/WW-2762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44833#action_44833
] 

jenorvell edited comment on WW-2762 at 10/16/08 8:17 AM:
------------------------------------------------------------

I am also consistently having this issue using struts 2.1.2 and tiles 2.0.5

I checked in the debugger and here is the line of code throwing the NPE:

UrlHelper.java:85

        // FIXME: temporary hack until class is made a properly injected bean
        Container cont = ActionContext.getContext().getContainer();

The ActionContext.getContext()  is return null.


Here is the top of the stack trace:

java.lang.NullPointerException
        at org.apache.struts2.views.util.UrlHelper.buildUrl(UrlHelper.java:85)
        at org.apache.struts2.views.util.UrlHelper.buildUrl(UrlHelper.java:76)
        at org.apache.struts2.views.util.UrlHelper.buildUrl(UrlHelper.java:72)
        at org.apache.struts2.views.util.UrlHelper.buildUrl(UrlHelper.java:68)
        at org.apache.struts2.components.ServletUrlRenderer.renderFormUrl(ServletUrlRenderer.java:138)
        at org.apache.struts2.components.Form.populateComponentHtmlId(Form.java:223)
        at org.apache.struts2.components.UIBean.evaluateParams(UIBean.java:786)
        at org.apache.struts2.components.UIBean.end(UIBean.java:509)
        at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:42)
        at jsp_servlet._common.__wizardframe._jsp__tag2(__wizardframe.java:276)
        at jsp_servlet._common.__wizardframe._jspService(__wizardframe.java:127)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
        at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:461)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
        at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:526)
        at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:454)
        at weblogic.servlet.jsp.PageContextImpl.include(PageContextImpl.java:163)
        at org.apache.tiles.jsp.context.JspUtil.doInclude(JspUtil.java:98)
        at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:88)
        at org.apache.tiles.jsp.context.JspTilesRequestContext.dispatch(JspTilesRequestContext.java:82)
        at org.apache.tiles.context.TilesRequestContextWrapper.dispatch(TilesRequestContextWrapper.java:72)
        at org.apache.struts2.tiles.StrutsTilesRequestContext.dispatch(StrutsTilesRequestContext.java:88)
        at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:419)
        at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:462)
        at org.apache.tiles.jsp.taglib.InsertAttributeTag.render(InsertAttributeTag.java:140)
        at org.apache.tiles.jsp.taglib.InsertAttributeTag.render(InsertAttributeTag.java:117)
        at org.apache.tiles.jsp.taglib.RenderTagSupport.execute(RenderTagSupport.java:171)
        at org.apache.tiles.jsp.taglib.RoleSecurityTagSupport.doEndTag(RoleSecurityTagSupport.java:75)
        at org.apache.tiles.jsp.taglib.ContainerTagSupport.doEndTag(ContainerTagSupport.java:80)
        at jsp_servlet._common.__mainpagelayout._jsp__tag33(__mainpagelayout.java:1496)
        at jsp_servlet._common.__mainpagelayout._jspService(__mainpagelayout.java:190)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
        at weblogic.servlet.internal.ServletStubImpl.onAddToMapException(ServletStubImpl.java:394)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:309)

      was (Author: jenorvell):
    I am also consistently having this issue using struts 2.1.2 and tiles 2.0.5

Here is the top of the stack trace:

java.lang.NullPointerException
        at org.apache.struts2.views.util.UrlHelper.buildUrl(UrlHelper.java:85)
        at org.apache.struts2.views.util.UrlHelper.buildUrl(UrlHelper.java:76)
        at org.apache.struts2.views.util.UrlHelper.buildUrl(UrlHelper.java:72)
        at org.apache.struts2.views.util.UrlHelper.buildUrl(UrlHelper.java:68)
        at org.apache.struts2.components.ServletUrlRenderer.renderFormUrl(ServletUrlRenderer.java:138)
        at org.apache.struts2.components.Form.populateComponentHtmlId(Form.java:223)
        at org.apache.struts2.components.UIBean.evaluateParams(UIBean.java:786)
        at org.apache.struts2.components.UIBean.end(UIBean.java:509)
        at org.apache.struts2.views.jsp.ComponentTagSupport.doEndTag(ComponentTagSupport.java:42)
        at jsp_servlet._common.__wizardframe._jsp__tag2(__wizardframe.java:276)
        at jsp_servlet._common.__wizardframe._jspService(__wizardframe.java:127)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
        at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:461)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
        at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:526)
        at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:454)
        at weblogic.servlet.jsp.PageContextImpl.include(PageContextImpl.java:163)
        at org.apache.tiles.jsp.context.JspUtil.doInclude(JspUtil.java:98)
        at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:88)
        at org.apache.tiles.jsp.context.JspTilesRequestContext.dispatch(JspTilesRequestContext.java:82)
        at org.apache.tiles.context.TilesRequestContextWrapper.dispatch(TilesRequestContextWrapper.java:72)
        at org.apache.struts2.tiles.StrutsTilesRequestContext.dispatch(StrutsTilesRequestContext.java:88)
        at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:419)
        at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:462)
        at org.apache.tiles.jsp.taglib.InsertAttributeTag.render(InsertAttributeTag.java:140)
        at org.apache.tiles.jsp.taglib.InsertAttributeTag.render(InsertAttributeTag.java:117)
        at org.apache.tiles.jsp.taglib.RenderTagSupport.execute(RenderTagSupport.java:171)
        at org.apache.tiles.jsp.taglib.RoleSecurityTagSupport.doEndTag(RoleSecurityTagSupport.java:75)
        at org.apache.tiles.jsp.taglib.ContainerTagSupport.doEndTag(ContainerTagSupport.java:80)
        at jsp_servlet._common.__mainpagelayout._jsp__tag33(__mainpagelayout.java:1496)
        at jsp_servlet._common.__mainpagelayout._jspService(__mainpagelayout.java:190)
        at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
        at weblogic.servlet.internal.ServletStubImpl.onAddToMapException(ServletStubImpl.java:394)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:309)
  
> struts2 nested tiles
> --------------------
>
>                 Key: WW-2762
>                 URL: https://issues.apache.org/struts/browse/WW-2762
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Plugin - Tiles
>    Affects Versions: 2.0.6
>         Environment: Windows XP Professional, MyEclipse 6.0.1, Struts2, Tiles 2.0.6,
J2EE 1.4, JDK 5.0, JBoss 4.2.2 
>            Reporter: Bips Sadhwani
>
> I have this wierd issue with tiles.  Probably its a bug.
> I am trying to insert a tile (a jsp page) into another tile (a jsp page) and so this
is my config (simplified):
>      
>     tiles.xml
>     ---------
>      
>     <definition name="rootPage.index" template="layout.jsp"> 		
>     	<put-attribute name="pagetitle" value="Page Body Title" />
>     	<put-attribute name="header" value="header.jsp" />
>     	<put-attribute name="footer" value="footer.jsp" />
>     </definition>
>      
>     <definition name="searchEmployee.index" extends="rootPage.index">	
>     	<put-attribute name="body" value="searchEmpBody.index" />
>     <definition name="searchEmpBody.index"
>     		template="/searchEmployee.jsp"/>
>     </definition>
>      
>     <definition name="status.index" template="/status.jsp">
>     </definition>
>      
>     layout.jsp
>     -----------
>      
>     <body>
>         <div class="container">
>     	<div id="header">
>     	    <tiles:insertAttribute name="header" />
>     	</div>	
>     	
>     	<div id="mainContent">	                   		
>     		<tiles:insertAttribute name="body" />
>     	</div>		
>         </div>
>     </body>
> Now following are the things I try on my searchEmployee.jsp
>      
> searchEmployee.jsp - This works
>     <%@ taglib prefix="tiles" uri="http://tiles.apache.org/tags-tiles"%>
>     <%@ taglib prefix="s" uri="/struts-tags" %>
>      
>     <tiles:insertDefinition name="status.index"/>
> searchEmployee.jsp - This also works
>     <%@ taglib prefix="tiles" uri="http://tiles.apache.org/tags-tiles"%>
>     <%@ taglib prefix="s" uri="/struts-tags" %>
>      
>     <s:form action="listEmployees">
>     	<tiles:getAsString name="pagetitle"/>	
>     </s:form>
> searchEmployee.jsp - This does  work (only if I use tiles:insertDefinition below s:form)
>     <%@ taglib prefix="tiles" uri="http://tiles.apache.org/tags-tiles"%>
>     <%@ taglib prefix="s" uri="/struts-tags" %>
>      
>     <s:form action="listEmployees">		    	
>     </s:form>
> <tiles:insertDefinition name="status.index"/>
> searchEmployee.jsp - This does NOT work (if I use tiles:insertDefinition above or within
s:form things don't work)
>     <%@ taglib prefix="tiles" uri="http://tiles.apache.org/tags-tiles"%>
>     <%@ taglib prefix="s" uri="/struts-tags" %>
>      
>     <s:form action="listEmployees">		
>     	<tiles:insertDefinition name="status.index"/>
>     </s:form>
> I get a long exception stack trace which basically says nullptrexception.
> I've done the same thing using tiles1.x and it has always worked.
> Tks

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