T5: Mixin on Form does not work as expected

Kristian Marinkovic Wed, 03 Oct 2007 09:09:21 -0700

sure... sorry i forgot..

org.apache.tapestry.ioc.internal.util.TapestryException

location
    classpath:com/poi/cross/adm/licensing/components/LicenseEditor.tml, line 23, column 35
    18 </tr>
    19 </thead>
    20 <tfoot>
    21 <tr>
    22 <td colspan="5" class="action">
    23 <form t:id="orderForm">
    24 License Ordering:
    25 <input t:id="amount" type="text" maxlength="3" size="4" />
    26 <a t:id="neworder">order</a>
    27 </form>
    28 </td>

17:21:25,075 ERROR License:66 - Render queue error in CleanupRender[License:prodlicense.orderform]: org.apache.tapestry.ioc.internal.util.TapestryException
org.apache.tapestry.ioc.internal.util.TapestryException [at classpath:com/poi/cross/adm/licensing/components/LicenseEditor.tml, line 23, column 35]
    at org.apache.tapestry.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:935)
    at org.apache.tapestry.internal.structure.ComponentPageElementImpl.access$0(ComponentPageElementImpl.java:915)
    at org.apache.tapestry.internal.structure.ComponentPageElementImpl$11.render(ComponentPageElementImpl.java:392)
    at org.apache.tapestry.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:58)
    at org.apache.tapestry.internal.services.PageMarkupRendererImpl.renderPageMarkup(PageMarkupRendererImpl.java:40)
    at $PageMarkupRenderer_11566735535.renderPageMarkup($PageMarkupRenderer_11566735535.java)
    at org.apache.tapestry.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:71)
    at $PageResponseRenderer_11566735509.renderPageResponse($PageResponseRenderer_11566735509.java)
    at org.apache.tapestry.internal.services.PageRenderRequestHandlerImpl.handle(PageRenderRequestHandlerImpl.java:81)
    at $PageRenderRequestHandler_11566735501.handle($PageRenderRequestHandler_11566735501.java)
    at org.apache.tapestry.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:72)
    at $Dispatcher_11566735505.dispatch($Dispatcher_11566735505.java)
    at $Dispatcher_115667354f7.dispatch($Dispatcher_115667354f7.java)
    at org.apache.tapestry.services.TapestryModule$13.service(TapestryModule.java:1099)
    at com.poi.cross.adm.licensing.services.AppModule$2.service(AppModule.java:44)
    at $RequestFilter_115667354f5.service($RequestFilter_115667354f5.java)
    at $RequestHandler_115667354f8.service($RequestHandler_115667354f8.java)
    at com.poi.cross.adm.licensing.services.AppModule$1.service(AppModule.java:28)
    at $RequestFilter_115667354f6.service($RequestFilter_115667354f6.java)
    at $RequestHandler_115667354f8.service($RequestHandler_115667354f8.java)
    at org.apache.tapestry.internal.services.LocalizationFilter.service(LocalizationFilter.java:43)
    at $RequestHandler_115667354f8.service($RequestHandler_115667354f8.java)
    at org.apache.tapestry.services.TapestryModule$2.service(TapestryModule.java:679)
    at $RequestHandler_115667354f8.service($RequestHandler_115667354f8.java)
    at org.apache.tapestry.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:84)
    at $RequestHandler_115667354f8.service($RequestHandler_115667354f8.java)
    at org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:97)
    at org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:1)
    at org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:77)
    at org.apache.tapestry.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:110)
    at $RequestHandler_115667354f8.service($RequestHandler_115667354f8.java)
    at $RequestHandler_115667354ef.service($RequestHandler_115667354ef.java)
    at org.apache.tapestry.services.TapestryModule$12.service(TapestryModule.java:1077)
    at $HttpServletRequestHandler_115667354ee.service($HttpServletRequestHandler_115667354ee.java)
    at org.apache.tapestry.TapestryFilter.doFilter(TapestryFilter.java:136)
    at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821)
    at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:471)
    at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568)
    at org.mortbay.http.HttpContext.handle(HttpContext.java:1530)
    at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633)
    at org.mortbay.http.HttpContext.handle(HttpContext.java:1482)
    at org.mortbay.http.HttpServer.service(HttpServer.java:909)
    at org.mortbay.http.HttpConnection.service(HttpConnection.java:820)
    at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:986)
    at org.mortbay.http.HttpConnection.handle(HttpConnection.java:837)
    at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:245)
    at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
    at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)
Caused by: java.util.NoSuchElementException
    at java.util.LinkedList.remove(LinkedList.java:644)
    at java.util.LinkedList.removeFirst(LinkedList.java:134)
    at org.apache.tapestry.internal.services.EnvironmentImpl.pop(EnvironmentImpl.java:85)
    at $Environment_11566735537.pop($Environment_11566735537.java)
    at $Environment_115667354dd.pop($Environment_115667354dd.java)
    at org.apache.tapestry.corelib.components.Form.cleanupRender(Form.java:296)
    at org.apache.tapestry.corelib.components.Form.cleanupRender(Form.java)
    at org.apache.tapestry.internal.structure.ComponentPageElementImpl$11$1.run(ComponentPageElementImpl.java:388)
    at org.apache.tapestry.internal.structure.ComponentPageElementImpl.invoke(Compo

> A stack trace would be helpful.

An: users@tapestry.apache.org
Von: Kristian Marinkovic <[EMAIL PROTECTED]>
Datum: 03.10.2007 03:52PM
Thema: T5: Mixin on Form does not work as expected

hi,

i get an exception from the Form.cleanupRender method although
i have a Mixin attached that returns false on setupRender.

as i understand the documentation correctly the Form component
should never enter the cleanupRender method/event...

can someone point me to my error?

i'm trying to short-circuit the form rendering when a certain state
occurs

thanks
g,
kris

code:
page:
@Component(parameters={"tracker=tracker","Editable.edit=display"})
@MixinClasses(Editable.class)
private Form orderForm;

Editable Mixin:
public class Editable {
...

@Parameter(defaultPrefix=TapestryConstants.PROP_BINDING_PREFIX,value="true")
private boolean edit;

boolean setupRender(MarkupWriter writer) {
if(!edit)
writer.write(value);
return edit;
}
}

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T5: Mixin on Form does not work as expected

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