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https://issues.apache.org/jira/browse/TAPESTRY-2326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12629655#action_12629655
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Howard M. Lewis Ship commented on TAPESTRY-2326:
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Does this still occur? Have you tried binding the id parameter of the zone?
The latter will ensure that the a refresh of the inner zone does not end up
with a different client-side id.
I believe what is happening is that the inner Zone's <div> is refreshed and
gets a new id, and the client-side event handler defaults to sending a non-Ajax
request to the server.
> Nested Zone ComponentEventException bug
> ---------------------------------------
>
> Key: TAPESTRY-2326
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2326
> Project: Tapestry
> Issue Type: Bug
> Components: Core Components
> Affects Versions: 5.0.12
> Environment: Jetty 5.1.12; Tapestry 5.0.12
> Reporter: Peter Beshai
>
> Given a template with:
> <t:zone t:id="testZone">
> <t:delegate to="testBlock" />
> </t:zone>
> <t:block t:id="testBlock">
> <t:zone t:id="zone1">
> <t:delegate to="zone1Block"/>
> </t:zone>
>
> <t:zone t:id="zone2">
> <t:delegate to="zone2Block"/>
> </t:zone>
> </t:block>
> <t:block t:id="zone1Block">
> <t:actionlink t:id="showZone2Block2" zone="zone2">show
> zone2Block2</t:actionlink><br/>
> <t:actionlink t:id="refreshTestZone" zone="testZone">refresh
> testZone</t:actionlink>
> </t:block>
> <t:block t:id="zone2Block">
> zone2Block
> </t:block>
> <t:block t:id="zone2Block2">
> <b>zone2Block2</b>
> </t:block>
> and with code:
> @Inject
> @Property
> private Block _testBlock;
>
> @Inject
> @Property
> private Block _zone2Block2;
> @Inject
> @Property
> private Block _zone1Block;
> @Inject
> @Property
> private Block _zone2Block;
> Object onActionFromShowZone2Block2()
> {
> return _zone2Block2;
> }
> Object onActionFromRefreshTestZone()
> {
> return _testBlock;
> }
> ------
> I can click the 'show zone2Block2' as many times as I want (at first), but
> after clicking 'refresh testZone' (which will refresh the testZone properly)
> if I try clicking either of the actionlinks I get a ComponentEventException
> that is expecting a regular action request return type instead of an Ajax
> one::
> org.apache.tapestry.runtime.ComponentEventException
> A component event handler method returned the value [EMAIL PROTECTED] Return
> type org.apache.tapestry.internal.structure.BlockImpl can not be handled.
> Configured return types are java.lang.Class, java.lang.String, java.net.URL,
> org.apache.tapestry.Link, org.apache.tapestry.StreamResponse,
> org.apache.tapestry.runtime.Component.
> Stack trace:
> Stack trace
> *
> org.apache.tapestry.internal.services.ObjectComponentEventResultProcessor.processResultValue(ObjectComponentEventResultProcessor.java:39)
> *
> org.apache.tapestry.internal.services.ComponentResultProcessorWrapper.handleResult(ComponentResultProcessorWrapper.java:42)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl$15.handleResult(ComponentPageElementImpl.java:980)
> *
> org.apache.tapestry.internal.services.EventImpl.storeResult(EventImpl.java:56)
> *
> net.rim.appdir.pages.test.TestIndex.dispatchComponentEvent(TestIndex.java)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.dispatchEvent(ComponentPageElementImpl.java:843)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.triggerContextEvent(ComponentPageElementImpl.java:1004)
> *
> org.apache.tapestry.internal.services.ComponentEventRequestHandlerImpl.handle(ComponentEventRequestHandlerImpl.java:67)
> *
> org.apache.tapestry.internal.services.ImmediateActionRenderResponseFilter.handle(ImmediateActionRenderResponseFilter.java:42)
> *
> org.apache.tapestry.internal.services.AjaxFilter.handle(AjaxFilter.java:42)
> *
> org.apache.tapestry.services.TapestryModule$40.handle(TapestryModule.java:2121)
> *
> org.apache.tapestry.internal.services.ComponentEventDispatcher.dispatch(ComponentEventDispatcher.java:135)
> *
> org.apache.tapestry.services.TapestryModule$13.service(TapestryModule.java:955)
> from buildTimingFilter in AppModule:: return handler.service(request,
> response);
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