[ http://issues.apache.org/jira/browse/TAPESTRY-441?page=all ]
Howard M. Lewis Ship reassigned TAPESTRY-441:
---------------------------------------------
Assign To: Howard M. Lewis Ship
> Poor reporting of duplicate method implementations
> --------------------------------------------------
>
> Key: TAPESTRY-441
> URL: http://issues.apache.org/jira/browse/TAPESTRY-441
> Project: Tapestry
> Type: Bug
> Components: Framework
> Versions: 4.0
> Environment: jboss-4.0.2 with tomcat 5.5.9 on linux
> Reporter: Thomas Pasch
> Assignee: Howard M. Lewis Ship
>
> On a (abstract) Page that implements an interface it is impossible to inject
> a property that
> is defined by an interface.
> This behaviour is a bug because 'Attempt to redefine method
> de.atron.b2xsale.web.util.IPageBean getPageBean() '
> is not really true as IPageBean is an interface and the redefined method is
> (still) abstract
> in my Caculate Page.
> The expected behaviour is to allow the 'redefinition' of the method without
> any warning.
> Details:
> This page definition (still 3.0 style but this is a bug against 4.0-beta2; it
> has work with 3.0.3):
> <?xml version="1.0" encoding="UTF-8"?>
> <page-specification class="de.atron.b2xsale.web.Calculate">
> <description>Calculate</description>
> <property-specification name="PageBean"
> type="de.atron.b2xsale.web.util.IPageBean"
> persistent="yes" initial-value="new
> de.atron.b2xsale.web.beans.CalculateBean()"/>
> ...
> </page-specification>
> leeds to the following Error:
> Error at classpath:/WEB-INF/Calculate.page, line 7, column 60: Error adding
> property pageBean to class de.atron.b2xsale.web.Calculate: Attempt to
> redefine method de.atron.b2xsale.web.util.IPageBean getPageBean() of class
> $Calculate_25.
> location:
> classpath:/WEB-INF/Calculate.page, line 7, column 60
> 2
> 5 <!-- generated by Spindle, http://spindle.sourceforge.net -->
> 6
> 7 <page-specification class="de.atron.b2xsale.web.Calculate">
> 8
> 9 <description>Calculate</description>
> 10
> 11 <property-specification name="PageBean"
> type="de.atron.b2xsale.web.util.IPageBean"
> 12 persistent="yes" initial-value="new
> de.atron.b2xsale.web.beans.CalculateBean()"/>
> org.apache.hivemind.ApplicationRuntimeException
> Attempt to redefine method de.atron.b2xsale.web.util.IPageBean
> getPageBean() of class $Calculate_25.
> Stack Trace:
>
> org.apache.hivemind.service.impl.ClassFabImpl.addMethod(ClassFabImpl.java:276)
>
> org.apache.tapestry.enhance.EnhancementOperationImpl.addMethod(EnhancementOperationImpl.java:337)
>
> org.apache.tapestry.enhance.EnhanceUtils.createSimpleAccessor(EnhanceUtils.java:71)
>
> org.apache.tapestry.enhance.AbstractPropertyWorker.createProperty(AbstractPropertyWorker.java:69)
>
> org.apache.tapestry.enhance.AbstractPropertyWorker.performEnhancement(AbstractPropertyWorker.java:45)
>
> $EnhancementWorker_10551fa4f1f.performEnhancement($EnhancementWorker_10551fa4f1f.java)
>
> $EnhancementWorker_10551fa4f21.performEnhancement($EnhancementWorker_10551fa4f21.java)
>
> $EnhancementWorker_10551fa4f03.performEnhancement($EnhancementWorker_10551fa4f03.java)
>
> org.apache.tapestry.services.impl.ComponentConstructorFactoryImpl.getComponentConstructor(ComponentConstructorFactoryImpl.java:76)
>
> $ComponentConstructorFactory_10551fa4eec.getComponentConstructor($ComponentConstructorFactory_10551fa4eec.java)
>
> org.apache.tapestry.pageload.PageLoader.instantiatePage(PageLoader.java:611)
> org.apache.tapestry.pageload.PageLoader.loadPage(PageLoader.java:639)
> $IPageLoader_10551fa4ee8.loadPage($IPageLoader_10551fa4ee8.java)
> $IPageLoader_10551fa4ee9.loadPage($IPageLoader_10551fa4ee9.java)
> org.apache.tapestry.pageload.PageSource.getPage(PageSource.java:118)
> $IPageSource_10551fa4e58.getPage($IPageSource_10551fa4e58.java)
> org.apache.tapestry.engine.RequestCycle.loadPage(RequestCycle.java:252)
> org.apache.tapestry.engine.RequestCycle.getPage(RequestCycle.java:235)
> de.atron.b2xsale.web.Border.formGotoCalculate(Border.java:98)
> on the Page Caculate
> public abstract class Calculate extends AHiddenStatePage
> { ... }
> with AHiddenStatePage with
> public abstract class AHiddenStatePage
> extends BasePage
> implements IHiddenStatePage, PageRenderListener
> { ... }
> with the interface IHiddenStagePage
> public interface IHiddenStatePage extends IPage {
> void setPageBean(IPageBean bean);
> IPageBean getPageBean();
> }
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