0gnl-2.7.1-SNAPSHOT bug... please help

Ken nashua Mon, 23 Jul 2007 15:38:37 -0700

Folks,

My java code is fine... this template keeps failing. It seems OGNL cannotnegotiate/articulate propertyDescriptor for my contrib:table column.



<span jwcid="$content$">
        <table jwcid="table">
                <div jwcid="[EMAIL PROTECTED]">
                        <a jwcid="[EMAIL PROTECTED]" model="ognl:object" 
href="#">
                        <span jwcid="[EMAIL PROTECTED]"
                                value="ognl:object[#this.linkProperty]"/></a>
                </div>

                <div jwcid="[EMAIL PROTECTED]">
                        <span jwcid="@TrailsDownload"
                                  
propertyDescriptor="ognl:column.propertyDescriptor"
                                  model="ognl:object"
                                  
bytes="ognl:object[#this.column.propertyDescriptor.name]"
                                />
                </div>
        </table>
</span>

This is the problem component... [EMAIL PROTECTED]
This is the problem line propertyDescriptor="ognl:column.propertyDescriptor"

Any attempts to reference PropertyDescriptor produce bindingexception.

Stack trace below...

Does anyone know of an OGNL workaround? OGNL seems to work ok if I omit thesecond block. It does not seem to be able to operate across blocks.


Thanks for your attention. Just really stuck.

Best regards
Ken in nashua

An exception has occurred.
You may continue by restarting the session.

[ +/- ] Exception:

Unable to parse OGNL expression 'blobDescriptorExtension.renderType.image':blobDescriptorExtension org.apache.tapestry.BindingExceptionUnable to parse OGNL expression 'blobDescriptorExtension.renderType.image':blobDescriptorExtensionbinding: ExpressionBinding[DefaultList/$ObjectTable.$TrailsDownloadblobDescriptorExtension.renderType.image] location:classpath:/org/trails/component/blob/TrailsDownload.html, line 2

1 <span jwcid="$content$">

2 <span jwcid="@If"condition="ognl:blobDescriptorExtension.renderType.image">3 <a jwcid="@ServiceLink" service="BlobService"parameters="ognl:byteArrayAsset">

4 <img jwcid="@MimedImage"
5 propertyDescriptor="ognl:propertyDescriptor"
6 model="ognl:model"
7 image="ognl:byteArrayAsset"


[ +/- ] Exception:

Unable to parse OGNL expression 'blobDescriptorExtension.renderType.image':blobDescriptorExtension org.apache.hivemind.ApplicationRuntimeExceptionUnable to parse OGNL expression 'blobDescriptorExtension.renderType.image':blobDescriptorExtension



[ +/- ] Exception:
blobDescriptorExtension ognl.OgnlException
blobDescriptorExtension


[ +/- ] Exception:

Unable to parse OGNL expression'object[#this.column.propertyDescriptor.name]': source is null forgetProperty(null, "propertyDescriptor") org.apache.tapestry.BindingExceptionUnable to parse OGNL expression'object[#this.column.propertyDescriptor.name]': source is null forgetProperty(null, "propertyDescriptor")binding: ExpressionBinding[DefaultList/$ObjectTableobject[#this.column.propertyDescriptor.name]] location:classpath:/org/trails/component/ObjectTable.html, line 11

6 <span jwcid="[EMAIL PROTECTED]"
7 value="ognl:object[#this.linkProperty]"/></a>
8 </div>
9
10 <div jwcid="[EMAIL PROTECTED]">
11 <span jwcid="@TrailsDownload"
12 propertyDescriptor="ognl:object[#this.column.propertyDescriptor.name]"
13 model="ognl:object"
14 bytes="ognl:object[#this.column.propertyDescriptor.name]"
15 />
16 </div>


[ +/- ] Exception:

Unable to parse OGNL expression'object[#this.column.propertyDescriptor.name]': source is null forgetProperty(null, "propertyDescriptor")org.apache.hivemind.ApplicationRuntimeExceptionUnable to parse OGNL expression'object[#this.column.propertyDescriptor.name]': source is null forgetProperty(null, "propertyDescriptor")



[ +/- ] Exception:

source is null for getProperty(null, "propertyDescriptor")ognl.OgnlException

source is null for getProperty(null, "propertyDescriptor")
Stack Trace:

ognl.OgnlRuntime.getProperty(OgnlRuntime.java:1908)ognl.ASTProperty.getValueBody(ASTProperty.java:109)ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:200)ognl.SimpleNode.getValue(SimpleNode.java:244)ognl.ASTChain.getValueBody(ASTChain.java:137)ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:200)ognl.SimpleNode.getValue(SimpleNode.java:244)ognl.ASTProperty.getProperty(ASTProperty.java:99)ognl.ASTProperty.getValueBody(ASTProperty.java:107)ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:200)ognl.SimpleNode.getValue(SimpleNode.java:244)ognl.ASTChain.getValueBody(ASTChain.java:137)ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:200)ognl.SimpleNode.getValue(SimpleNode.java:244)ognl.Ognl.getValue(Ognl.java:494) ognl.Ognl.getValue(Ognl.java:458)org.apache.tapestry.services.impl.HiveMindExpressionCompiler.compileExpression(HiveMindExpressionCompiler.java:148)ognl.OgnlRuntime.compileExpression(OgnlRuntime.java:524)ognl.Ognl.compileExpression(Ognl.java:141)org.apache.tapestry.services.impl.ExpressionCacheImpl.parse(ExpressionCacheImpl.java:152)org.apache.tapestry.services.impl.ExpressionCacheImpl.getCompiledExpression(ExpressionCacheImpl.java:115)$ExpressionCache_113f530338c.getCompiledExpression($ExpressionCache_113f530338c.java)org.apache.tapestry.binding.ExpressionBinding.resolveExpression(ExpressionBinding.java:134)org.apache.tapestry.binding.ExpressionBinding.getObject(ExpressionBinding.java:125)org.apache.tapestry.binding.AbstractBinding.getObject(AbstractBinding.java:84)$TrailsDownload_34.getPropertyDescriptor($TrailsDownload_34.java)org.trails.component.blob.TrailsDownload.getBlobDescriptorExtension(TrailsDownload.java:53)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)java.lang.reflect.Method.invoke(Method.java:585)ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:769)ognl.OgnlRuntime.getMethodValue(OgnlRuntime.java:1193)ognl.ObjectPropertyAccessor.getPossibleProperty(ObjectPropertyAccessor.java:60)ognl.ObjectPropertyAccessor.getProperty(ObjectPropertyAccessor.java:142)ognl.OgnlRuntime.getProperty(OgnlRuntime.java:1914)ognl.ASTProperty.getValueBody(ASTProperty.java:109)ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:200)ognl.SimpleNode.getValue(SimpleNode.java:244)ognl.ASTChain.getValueBody(ASTChain.java:137)ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:200)ognl.SimpleNode.getValue(SimpleNode.java:244)ognl.Ognl.getValue(Ognl.java:494) ognl.Ognl.getValue(Ognl.java:458)org.apache.tapestry.services.impl.HiveMindExpressionCompiler.compileExpression(HiveMindExpressionCompiler.java:148)ognl.OgnlRuntime.compileExpression(OgnlRuntime.java:524)ognl.Ognl.compileExpression(Ognl.java:141)org.apache.tapestry.services.impl.ExpressionCacheImpl.parse(ExpressionCacheImpl.java:152)org.apache.tapestry.services.impl.ExpressionCacheImpl.getCompiledExpression(ExpressionCacheImpl.java:115)$ExpressionCache_113f530338c.getCompiledExpression($ExpressionCache_113f530338c.java)org.apache.tapestry.binding.ExpressionBinding.resolveExpression(ExpressionBinding.java:134)org.apache.tapestry.binding.ExpressionBinding.getObject(ExpressionBinding.java:125)org.apache.tapestry.binding.AbstractBinding.getObject(AbstractBinding.java:84)org.apache.tapestry.enhance.EnhanceUtils.toBoolean(EnhanceUtils.java:173)$IfBean_7.getCondition($IfBean_7.java)org.apache.tapestry.components.IfBean.evaluateCondition(IfBean.java:128)org.apache.tapestry.components.IfBean.renderComponent(IfBean.java:66)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:107)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.BlockRenderer.render(BlockRenderer.java:77)org.apache.tapestry.components.Delegator.renderComponent(Delegator.java:41)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.Any.renderComponent(Any.java:44)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.ForBean.renderComponent(ForBean.java:181)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:107)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.RenderBody.renderComponent(RenderBody.java:39)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.Any.renderComponent(Any.java:44)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.ForBean.renderComponent(ForBean.java:181)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:107)org.apache.tapestry.contrib.table.components.TableRows.renderComponent(TableRows.java:136)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.Any.renderComponent(Any.java:44)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.RenderBody.renderComponent(RenderBody.java:39)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.Any.renderComponent(Any.java:44)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:107)org.apache.tapestry.contrib.table.components.TableView.renderComponent(TableView.java:511)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:107)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:107)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.components.RenderBody.renderComponent(RenderBody.java:39)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.apache.tapestry.html.Body.renderComponent(Body.java:38)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:539)org.trails.demo.components.CustomHead.renderComponent(CustomHead.java:205)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:107)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:180)org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:107)org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:725)org.apache.tapestry.services.impl.DefaultResponseBuilder.render(DefaultResponseBuilder.java:178)org.apache.tapestry.AbstractPage.renderPage(AbstractPage.java:249)org.apache.tapestry.engine.RequestCycle.renderPage(RequestCycle.java:397)org.apache.tapestry.services.impl.DefaultResponseBuilder.renderResponse(DefaultResponseBuilder.java:152)org.apache.tapestry.services.impl.ResponseRendererImpl.renderResponse(ResponseRendererImpl.java:33)$ResponseRenderer_113f530325e.renderResponse($ResponseRenderer_113f530325e.java)org.apache.tapestry.engine.ExternalService.service(ExternalService.java:163)$IEngineService_113f53032dd.service($IEngineService_113f53032dd.java)org.apache.tapestry.services.impl.EngineServiceOuterProxy.service(EngineServiceOuterProxy.java:72)org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:237)org.apache.tapestry.services.impl.InvokeEngineTerminator.service(InvokeEngineTerminator.java:54)$WebRequestServicer_113f53032aa.service($WebRequestServicer_113f53032aa.java)org.trails.i18n.LocaleFilter.service(LocaleFilter.java:26)$WebRequestServicerFilter_113f53032a8.service($WebRequestServicerFilter_113f53032a8.java)$WebRequestServicer_113f53032ac.service($WebRequestServicer_113f53032ac.java)$WebRequestServicer_113f53032a4.service($WebRequestServicer_113f53032a4.java)org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.service(WebRequestServicerPipelineBridge.java:61)$ServletRequestServicer_113f530328a.service($ServletRequestServicer_113f530328a.java)org.apache.tapestry.request.DecodedRequestInjector.service(DecodedRequestInjector.java:55)$ServletRequestServicerFilter_113f5303286.service($ServletRequestServicerFilter_113f5303286.java)$ServletRequestServicer_113f530328c.service($ServletRequestServicer_113f530328c.java)org.apache.tapestry.multipart.MultipartDecoderFilter.service(MultipartDecoderFilter.java:52)$ServletRequestServicerFilter_113f5303284.service($ServletRequestServicerFilter_113f5303284.java)$ServletRequestServicer_113f530328c.service($ServletRequestServicer_113f530328c.java)org.apache.tapestry.services.impl.SetupRequestEncoding.service(SetupRequestEncoding.java:53)$ServletRequestServicerFilter_113f5303288.service($ServletRequestServicerFilter_113f5303288.java)$ServletRequestServicer_113f530328c.service($ServletRequestServicer_113f530328c.java)$ServletRequestServicer_113f530327e.service($ServletRequestServicer_113f530327e.java)org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:126)org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:103)javax.servlet.http.HttpServlet.service(HttpServlet.java:740)javax.servlet.http.HttpServlet.service(HttpServlet.java:853)org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:491)org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1074)org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1065)org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:81)org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:229)org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:286)org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1065)org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:185)org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:689)org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:391)org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:146)org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)org.mortbay.jetty.Server.handle(Server.java:285)org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:457)org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:751)org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:500)org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:209)org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:357)org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:329)org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)


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0gnl-2.7.1-SNAPSHOT bug... please help

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