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From "Chris Chiappone (JIRA)" <tapestry-...@jakarta.apache.org>
Subject [jira] Created: (TAPESTRY-848) Binding Exceptions more prominent with annotations
Date Mon, 30 Jan 2006 01:57:53 GMT
Binding Exceptions more prominent with annotations
--------------------------------------------------

         Key: TAPESTRY-848
         URL: http://issues.apache.org/jira/browse/TAPESTRY-848
     Project: Tapestry
        Type: Bug
  Components: Annotations  
    Versions: 4.0    
 Environment: Gentoo Linux, Jboss 4.0.2 JDK 5.0
    Reporter: Chris Chiappone


As posted in the tapestry forums:

At first I thought I could work around these issues but they seem to
be popping up more and more throughout my application.  Its really
becoming an issue for me.

Ever since I have moved from .page and .jwc files to annotations I get
these exceptions more often.

I don't believe I am doing anything wrong with these annotations.  As
you can see by the following one I have just declared a DelegateBean
in my class.  Using

@Bean(SimpleValidationDeleage)
public abstract SimpleValidationDelegate getDelegate();

That same Delegate is used on mulitple pages and in components.  From
what I understand this should be acceptable.

This issue also has sprung up on my declaring the same Persistent
property on different pages or components using the @Persist
annotation.

I've also recieved a similar exception doing the following in which both the 
page and component contain:
@InjectState("visit")
public abstract void getVisitObj();

I was able to work around the issue by changing the component to be
@InjectState("visit")
public abstract void getVisitObjComp();

I didn't run into these problems before I used annotations.  I'd also
hate to have to go back to .page and .jwc files since there are so
many files that I've changed.

Here is an one of the exceptions:

Exception invoking listener method searchLinkListener of component
SearchResults/border.search: Error: An error occured processing
annotation @org.apache.tapestry.annotations.Bean(value=class
view.util.SimpleValidationDelegate, lifecycle=REQUEST, initializer=)
of public abstract view.util.SimpleValidationDelegate
view.components.BasicSearch.getDelegate(): Bean delegate has already
been declared (at Annotation
@org.apache.tapestry.annotations.Bean(value=class
view.util.SimpleValidationDelegate, lifecycle=REQUEST, initializer=)
of public abstract view.util.SimpleValidationDelegate
view.components.BasicSearch.getDelegate()).
binding: org.apache.tapestry.binding.ListenerMethodBinding@fe8153[template
parameter listener, component=SearchResults/border.search,
methodName=searchLinkListener,
location=context:/WEB-INF/BasicSearch.html, line 16]
component: $BasicSearch_181@4c72e3[SearchResults/border.search]
location: context:/WEB-INF/BasicSearch.html, line 16
11 <br>
12 <input jwcid="companyField"
13 autocomplete="off" size="20" id="txt1" /> <br>
14 <input jwcid="@Submit" name="Submit" label="message:submit" /></form>
15
16 <a jwcid="@DirectLink" listener="listener:searchLinkListener">
17 &raquo;&nbsp;<span key="advanced">Advanced</span>
18 </a>
19 </div>
20 </td>
21 </tr>


org.apache.hivemind.ApplicationRuntimeException
Error: An error occured processing annotation
@org.apache.tapestry.annotations.Bean(value=class
util.SimpleValidationDelegate, lifecycle=REQUEST, initializer=) of
public abstract view.util.SimpleValidationDelegate
view.components.BasicSearch.getDelegate(): Bean delegate has already
been declared (at Annotation
@org.apache.tapestry.annotations.Bean(value=class
view.util.SimpleValidationDelegate, lifecycle=REQUEST, initializer=)
of public abstract view.util.SimpleValidationDelegate
view.components.BasicSearch.getDelegate()).
location: Annotation @org.apache.tapestry.annotations.Bean(value=class
view.util.SimpleValidationDelegate, lifecycle=REQUEST, initializer=)
of public abstract view.util.SimpleValidationDelegate
view.components.BasicSearch.getDelegate()

org.apache.hivemind.ApplicationRuntimeException
Bean delegate has already been declared (at Annotation
@org.apache.tapestry.annotations.Bean(value=class
view.util.SimpleValidationDelegate, lifecycle=REQUEST, initializer=)
of public abstract view.util.SimpleValidationDelegate
view.components.BasicSearch.getDelegate()).
location: Annotation @org.apache.tapestry.annotations.Bean(value=class
view.util.SimpleValidationDelegate, lifecycle=REQUEST, initializer=)
of public abstract view.util.SimpleValidationDelegate
view.components.BasicSearch.getDelegate()
Stack Trace:
org.apache.tapestry.spec.ComponentSpecification.addBeanSpecification(ComponentSpecification.java:410)
org.apache.tapestry.annotations.BeanAnnotationWorker.performEnhancement(BeanAnnotationWorker.java:64)
org.apache.tapestry.annotations.AnnotationEnhancementWorker.performMethodEnhancement(AnnotationEnhancementWorker.java:142)
org.apache.tapestry.annotations.AnnotationEnhancementWorker.performMethodEnhancement(AnnotationEnhancementWorker.java:110)
org.apache.tapestry.annotations.AnnotationEnhancementWorker.performEnhancement(AnnotationEnhancementWorker.java:70)
$EnhancementWorker_1090cd8cc4b.performEnhancement($EnhancementWorker_1090cd8cc4b.java)
$EnhancementWorker_1090cd8cc4d.performEnhancement($EnhancementWorker_1090cd8cc4d.java)
$EnhancementWorker_1090cd8cc2d.performEnhancement($EnhancementWorker_1090cd8cc2d.java)
org.apache.tapestry.services.impl.ComponentConstructorFactoryImpl.getComponentConstructor(ComponentConstructorFactoryImpl.java:97)
$ComponentConstructorFactory_1090cd8cc1a.getComponentConstructor($ComponentConstructorFactory_1090cd8cc1a.java)
org.apache.tapestry.pageload.PageLoader.instantiateComponent(PageLoader.java:531)
org.apache.tapestry.pageload.PageLoader.createImplicitComponent(PageLoader.java:481)




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