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Posted to users@tiles.apache.org by "BR Brett Ryan (3456)" <Br...@johnsands.com.au> on 2015/06/04 13:21:57 UTC

add-attribute does not support 'expression' attribute

Using a list attribute with a item that contains an expression causes an exception to be produced.

Consider the following definition:

  <definition name="customers/info" extends="customers/base">
    <put-list-attribute name="testList">
      <add-attribute expression="${customer.id}" />
    </put-list-attribute>
  </definition>

This produces the attached exception. If I add `value="xxxx" ` to the add-attribute (and keep expression=) no exception is produced but the attribute takes on the value, not the expression.

This same add-attribute works fine as a `put-attribute` on the definition outside of the list. Note that the exception is thrown at the time the attribute is requested to be rendered, eg:

  <c:forEach var="item" items="${testList}">
    <li>${item}</li> <%-- HERE --%>
  </c:forEach>


TILES: 3.0.5

>org.apache.tiles.request.render.CannotRenderException: ServletException including path '/WEB-INF/layout/web-base.jsp'.
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:399)
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:238)
	at org.apache.tiles.TilesContainerWrapper.render(TilesContainerWrapper.java:103)
	at org.apache.tiles.impl.mgmt.CachingTilesContainer.render(CachingTilesContainer.java:126)
	at org.apache.tiles.renderer.DefinitionRenderer.render(DefinitionRenderer.java:59)
	at org.springframework.web.servlet.view.tiles3.TilesView.renderMergedOutputModel(TilesView.java:132)
	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1228)
	at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1011)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:955)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:618)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.johnsands.web.filter.IECompatibilityFilter.doFilter(IECompatibilityFilter.java:57)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
	at org.springframework.security.web.authentication.switchuser.SwitchUserFilter.doFilter(SwitchUserFilter.java:181)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1085)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658)
	at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1556)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1513)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: ServletException including path '/WEB-INF/layout/web-base.jsp'.
	at org.apache.tiles.request.servlet.ServletUtil.wrapServletException(ServletUtil.java:61)
	at org.apache.tiles.request.servlet.ServletRequest.forward(ServletRequest.java:267)
	at org.apache.tiles.request.servlet.ServletRequest.doForward(ServletRequest.java:228)
	at org.apache.tiles.request.AbstractClientRequest.dispatch(AbstractClientRequest.java:57)
	at org.apache.tiles.request.render.DispatchRenderer.render(DispatchRenderer.java:47)
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:259)
	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:397)
	... 78 more
Caused by: java.lang.NullPointerException


Re: add-attribute does not support 'expression' attribute

Posted by Nicolas Le Bas <ma...@nlebas.net>.
Hi Brett,

It seems an interesting part of the stacktrace is missing. Do you have
more of it below "java.lang.NullPointerException" ?

Nick.

On 15-06-04 07:21 AM, BR Brett Ryan (3456) wrote:
> Caused by: java.io.IOException: ServletException including path '/WEB-INF/layout/web-base.jsp'.
> 	at org.apache.tiles.request.servlet.ServletUtil.wrapServletException(ServletUtil.java:61)
> 	at org.apache.tiles.request.servlet.ServletRequest.forward(ServletRequest.java:267)
> 	at org.apache.tiles.request.servlet.ServletRequest.doForward(ServletRequest.java:228)
> 	at org.apache.tiles.request.AbstractClientRequest.dispatch(AbstractClientRequest.java:57)
> 	at org.apache.tiles.request.render.DispatchRenderer.render(DispatchRenderer.java:47)
> 	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:259)
> 	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:397)
> 	... 78 more
> Caused by: java.lang.NullPointerException
>