Yes, a lot of code has changed there. Can you create a JIRA issue,
preferably with a sample app to demonstrate the problem?

On Mon, Feb 16, 2009 at 7:17 AM, Dragan Djuric <dra...@dragandjuric.com> wrote:
>
> I have some pretty straightforward Ajax code in my project. I do not use any
> custom JavaScript or anything external to tapestry - just zones and blocks.
> I'm using Tapestry 5.1.0.0-SNAPSHOT. Everything worked fine until 15.
> February 2009, when Tapestry started complaining about the BlockImpl
> returned from the event listener. Earlier snapshots still work.
>
> Does anyone else have similar problems and if does, what should be changed
> in the code that is using zone? Or maybe it is a bug?
>
> Now, I have two cases:
> 1. A simple zone with updating behavior, without forms, for testing
> purposes. Just a link inside a zone that updates the zone to display some
> text.
> 2. A form inside a component with inherited:zone. When the zone is updated,
> the block is returned. There is inheritance and a few components are nested,
> but the logic is simple and, to repeat, I do not use any exotic hack. Just
> what is provided by tapestry.
>
> Snapshots prior to 15.Feb: both cases work.
> Snapshots after 15. Feb. changes (and there are lots of them so I can not
> find a source of the problem):
> 1. Still works
> 2: I get a ComponentEventException
>
> The exception report:
> #
> A component event handler method returned the value Block[edit within
> model/CreateGirlfriend:creategirlfriend, at
> classpath:org/aloole/tapestry/tapestryioc/app/components/model/CreateGirlfriend.tml,
> line 6]. Return type org.apache.tapestry5.internal.structure.BlockImpl can
> not be handled. Configured return types are java.lang.Class,
> java.lang.String, java.net.URL, org.apache.tapestry5.Link,
> org.apache.tapestry5.StreamResponse, org.apache.tapestry5.runtime.Component.
>
> context
> eventType
>    action
> location
>
> classpath:org/aloole/tapestry/tapestryioc/app/components/model/EditGirlfriend.tml,
> line 2
>    1   <t:container
> xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
>    2   <form t:type="Form" t:id="form" t:zone="inherit:zone">
>    3   <t:errors/>
>    4   GirlfriendEditor
>    5   <ul>
>    6   <li><input t:type="Checkbox" t:id="agreementCheckbox"
> t:value="agreement"/></li>
>    7   <li><input id="submit" class="portlet-form-button" type="submit"
> value="Save"/></li>
>
> # org.apache.tapestry5.runtime.ComponentEventException
> A component event handler method returned the value Block[edit within
> model/CreateGirlfriend:creategirlfriend, at
> classpath:org/aloole/tapestry/tapestryioc/app/components/model/CreateGirlfriend.tml,
> line 6]. Return type org.apache.tapestry5.internal.structure.BlockImpl can
> not be handled. Configured return types are java.lang.Class,
> java.lang.String, java.net.URL, org.apache.tapestry5.Link,
> org.apache.tapestry5.StreamResponse, org.apache.tapestry5.runtime.Component.
>
> context
> eventType
>    failure
> location
>
> classpath:org/aloole/tapestry/tapestryioc/app/components/model/EditGirlfriend.tml,
> line 2
>
> # java.lang.RuntimeException
> A component event handler method returned the value Block[edit within
> model/CreateGirlfriend:creategirlfriend, at
> classpath:org/aloole/tapestry/tapestryioc/app/components/model/CreateGirlfriend.tml,
> line 6]. Return type org.apache.tapestry5.internal.structure.BlockImpl can
> not be handled. Configured return types are java.lang.Class,
> java.lang.String, java.net.URL, org.apache.tapestry5.Link,
> org.apache.tapestry5.StreamResponse, org.apache.tapestry5.runtime.Component.
>
> Hide uninteresting stack frames Stack trace
>
>        *
> org.apache.tapestry5.internal.services.ObjectComponentEventResultProcessor.processResultValue(ObjectComponentEventResultProcessor.java:39)
>        *
> $ComponentEventResultProcessor_11f7fa7e128.processResultValue($ComponentEventResultProcessor_11f7fa7e128.java)
>        *
> $ComponentEventResultProcessor_11f7fa7e0b8.processResultValue($ComponentEventResultProcessor_11f7fa7e0b8.java)
>        *
> org.apache.tapestry5.internal.services.ComponentResultProcessorWrapper.handleResult(ComponentResultProcessorWrapper.java:42)
>        *
> org.apache.tapestry5.internal.structure.ComponentPageElementImpl$6.handleResult(ComponentPageElementImpl.java:1040)
>        *
> org.apache.tapestry5.internal.services.EventImpl.storeResult(EventImpl.java:74)
>        *
> org.aloole.tapestry.base.components.ObjectDetails.dispatchComponentEvent(ObjectDetails.java)
>        *
> org.apache.tapestry5.internal.structure.ComponentPageElementImpl.dispatchEvent(ComponentPageElementImpl.java:889)
>        *
> org.apache.tapestry5.internal.structure.ComponentPageElementImpl.triggerContextEvent(ComponentPageElementImpl.java:1068)
>        *
> org.apache.tapestry5.internal.structure.InternalComponentResourcesImpl.triggerContextEvent(InternalComponentResourcesImpl.java:263)
>        *
> org.apache.tapestry5.corelib.components.Form._$advised$onAction(Form.java:391)
>        *
> org.apache.tapestry5.corelib.components.Form$onAction$invocation_11f7fa803ce.invokeAdvisedMethod(Form$onAction$invocation_11f7fa803ce.java)
>        *
> org.apache.tapestry5.internal.services.AbstractComponentMethodInvocation.proceed(AbstractComponentMethodInvocation.java:71)
>        *
> org.apache.tapestry5.ioc.internal.services.LoggingAdvice.advise(LoggingAdvice.java:45)
>        *
> org.apache.tapestry5.internal.transform.LogWorker$1.advise(LogWorker.java:54)
>        *
> org.apache.tapestry5.internal.services.AbstractComponentMethodInvocation.proceed(AbstractComponentMethodInvocation.java:80)
>        * org.apache.tapestry5.corelib.components.Form.onAction(Form.java)
>        *
> org.apache.tapestry5.corelib.components.Form.dispatchComponentEvent(Form.java)
>        *
> org.apache.tapestry5.internal.structure.ComponentPageElementImpl.dispatchEvent(ComponentPageElementImpl.java:897)
>        *
> org.apache.tapestry5.internal.structure.ComponentPageElementImpl.triggerContextEvent(ComponentPageElementImpl.java:1068)
>        *
> org.apache.tapestry5.internal.services.ComponentEventRequestHandlerImpl.handle(ComponentEventRequestHandlerImpl.java:75)
>        *
> org.apache.tapestry5.internal.services.ImmediateActionRenderResponseFilter.handle(ImmediateActionRenderResponseFilter.java:42)
>        *
> $ComponentEventRequestHandler_11f7fa7e126.handle($ComponentEventRequestHandler_11f7fa7e126.java)
>        *
> org.apache.tapestry5.internal.services.AjaxFilter.handle(AjaxFilter.java:42)
>        *
> $ComponentEventRequestHandler_11f7fa7e126.handle($ComponentEventRequestHandler_11f7fa7e126.java)
>        *
> org.apache.tapestry5.services.TapestryModule$34.handle(TapestryModule.java:2071)
>        *
> $ComponentEventRequestHandler_11f7fa7e126.handle($ComponentEventRequestHandler_11f7fa7e126.java)
>        *
> $ComponentEventRequestHandler_11f7fa7e0b5.handle($ComponentEventRequestHandler_11f7fa7e0b5.java)
>        *
> org.apache.tapestry5.internal.services.ComponentRequestHandlerTerminator.handleComponentEvent(ComponentRequestHandlerTerminator.java:43)
>        *
> $ComponentRequestHandler_11f7fa7e0ae.handleComponentEvent($ComponentRequestHandler_11f7fa7e0ae.java)
>        *
> org.apache.tapestry5.internal.services.ComponentEventDispatcher.dispatch(ComponentEventDispatcher.java:138)
>        * $Dispatcher_11f7fa7e0af.dispatch($Dispatcher_11f7fa7e0af.java)
>        * $Dispatcher_11f7fa7e0a5.dispatch($Dispatcher_11f7fa7e0a5.java)
>        *
> org.apache.tapestry5.services.TapestryModule$RequestHandlerTerminator.service(TapestryModule.java:242)
>        *
> org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:26)
>        *
> $RequestHandler_11f7fa7e0a6.service($RequestHandler_11f7fa7e0a6.java)
>        *
> org.apache.tapestry5.services.TapestryModule$4.service(TapestryModule.java:760)
>        *
> $RequestHandler_11f7fa7e0a6.service($RequestHandler_11f7fa7e0a6.java)
>        *
> org.apache.tapestry5.services.TapestryModule$3.service(TapestryModule.java:750)
>        *
> $RequestHandler_11f7fa7e0a6.service($RequestHandler_11f7fa7e0a6.java)
>        *
> org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:85)
>        *
> $RequestHandler_11f7fa7e0a6.service($RequestHandler_11f7fa7e0a6.java)
>        *
> org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:90)
>        *
> org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:81)
>        *
> org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:85)
>        *
> org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:103)
>        *
> $RequestHandler_11f7fa7e0a6.service($RequestHandler_11f7fa7e0a6.java)
>        *
> $RequestHandler_11f7fa7e09c.service($RequestHandler_11f7fa7e09c.java)
>        *
> org.apache.tapestry5.services.TapestryModule$HttpServletRequestHandlerTerminator.service(TapestryModule.java:194)
>        *
> org.apache.tapestry5.internal.gzip.GZipFilter.service(GZipFilter.java:53)
>        *
> $HttpServletRequestHandler_11f7fa7e09e.service($HttpServletRequestHandler_11f7fa7e09e.java)
>        *
> org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
>        *
> $HttpServletRequestFilter_11f7fa7e09b.service($HttpServletRequestFilter_11f7fa7e09b.java)
>        *
> $HttpServletRequestHandler_11f7fa7e09e.service($HttpServletRequestHandler_11f7fa7e09e.java)
>        *
> org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:712)
>        *
> $HttpServletRequestHandler_11f7fa7e09e.service($HttpServletRequestHandler_11f7fa7e09e.java)
>        *
> $HttpServletRequestHandler_11f7fa7e099.service($HttpServletRequestHandler_11f7fa7e099.java)
>        *
> org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:127)
> --
> View this message in context: 
> http://www.nabble.com/Zone-broken-in-15-February-2009-5.1.0.0-SNAPSHOT-changes-tp22039148p22039148.html
> Sent from the Tapestry - User mailing list archive at Nabble.com.
>
>
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>



-- 
Howard M. Lewis Ship

Creator Apache Tapestry and Apache HiveMind

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