http://issues.apache.org/jira/browse/TAPESTRY-696
On 10/7/05, Howard Lewis Ship <[EMAIL PROTECTED]> wrote:
It's looking to me like there's a thread synchronization problem
going
on. I'll be looking into it. Add a bug, please.
On 10/5/05, Bryan Dotzour <[EMAIL PROTECTED]> wrote:
We're currently trying to get a handle on the exact same problem,
but we
experience under different circumstances.
All of our pages implement a VisitHolder interface, which injects
the
Visit. This concept was described on Howard's blog
(http://howardlewisship.com/blog/2005/06/annotations-bytecode-generation
-mixins.html). Currently if two requests come in for the same
page at
the same time, one of the requests will receive this same stack
trace.
I agree with your assessment that this looks like a bug, but
I'll
investigate you're workaround and see if we can make that work as
a
stop-gap.
-----Original Message-----
From: Shawn Church [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 04, 2005 10:12 AM
To: [email protected]
Subject: Re: InjectState exception within activateExternalPage
The only solution (work-around) I could come up with for this
problem is
to replace this in my Border component:
@InjectState("visit")
public abstract Visit getVisitObject();
with this:
@InjectObject("infrastructure:applicationStateManager")
public abstract ApplicationStateManager
getApplicationStateManager();
public Visit getVisitObject()
{
return (Visit) getApplicationStateManager().get("visit");
}
By the way, I'm using Tapestry 4 beta-9. I assume this is a bug,
but
the work-around seems to be working for now.
Shawn
Quoting Shawn Church <[EMAIL PROTECTED]>:
I'm converting one of my Tapestry 3 apps to version 4. Since
the
AbstractPage implementation of getVisit() is deprecated, I
have
refactored by pages to inject the visit as
@InjectState("visit")
public abstract Visit getVisitObject();
I'm also doing this in my Border object. This has all been
working
fine, but I'm now encountering an exception when requesting a
page
using
the external service (within activateExternalPage).
The process here is basically handling a "My Account" feature:
1. An outside application makes a request to a Login page (a
page
which
implements IExternalPage within the failing app).
2. Within activateExternalPage, the app determines if the user
is
logged
in (by observing the Visit object).
3. If logged in, activate the desired page (in this case, a
ViewProfile
page).
I'm getting an ApplicationRuntimeException on this line:
ViewProfile viewProfile = ( ViewProfile )
cycle.getPage("ViewProfile");
stating:
Error: An error occured processing annotation
@org.apache.tapestry.annotations.InjectState(value=visit) of
public
abstract com.mcelroy.auth.Visit
com.mcelroy.auth.component.Border.getVisitObject(): Property
visitObject
has already been accounted for by the element at Annotation
@org.apache.tapestry.annotations.InjectState(value=visit) of
public
abstract com.mcelroy.auth.Visit
com.mcelroy.auth.component.Border.getVisitObject().
Am I doing something wrong here? I can transition from
page-to-page
without any trouble as long as I'm not entering the app through
the
external service.
In case it's useful, here's the full stack trace:
*
org.apache.tapestry.spec.ComponentSpecification.claimProperty(ComponentS
pecification.java:674)
*
org.apache.tapestry.spec.ComponentSpecification.addInjectSpecification(C
omponentSpecification.java:645)
*
org.apache.tapestry.annotations.InjectStateAnnotationWorker.performEnhan
cement(InjectStateAnnotationWorker.java:49)
*
org.apache.tapestry.annotations.AnnotationEnhancementWorker.performMetho
dEnhancement(AnnotationEnhancementWorker.java:125)
*
org.apache.tapestry.annotations.AnnotationEnhancementWorker.performMetho
dEnhancement(AnnotationEnhancementWorker.java:108)
*
org.apache.tapestry.annotations.AnnotationEnhancementWorker.performEnhan
cement(AnnotationEnhancementWorker.java:68)
*
$EnhancementWorker_106b7b9f8bb.performEnhancement($EnhancementWorker_106
b7b9f8bb.java)
*
$EnhancementWorker_106b7b9f8bd.performEnhancement($EnhancementWorker_106
b7b9f8bd.java)
*
$EnhancementWorker_106b7b9f89d.performEnhancement($EnhancementWorker_106
b7b9f89d.java)
*
org.apache.tapestry.services.impl.ComponentConstructorFactoryImpl.getCom
ponentConstructor(ComponentConstructorFactoryImpl.java:79)
*
$ComponentConstructorFactory_106b7b9f888.getComponentConstructor($Compon
entConstructorFactory_106b7b9f888.java)
*
org.apache.tapestry.pageload.PageLoader.instantiateComponent(PageLoader.
java:565)
*
org.apache.tapestry.pageload.PageLoader.createImplicitComponent(PageLoad
er.java:515)
*
$IPageLoader_106b7b9f882.createImplicitComponent($IPageLoader_106b7b9f88
2.java)
*
$IPageLoader_106b7b9f883.createImplicitComponent($IPageLoader_106b7b9f88
3.java)
*
org.apache.tapestry.services.impl.ComponentTemplateLoaderLogic.createImp
licitComponent(ComponentTemplateLoaderLogic.java:218)
*
org.apache.tapestry.services.impl.ComponentTemplateLoaderLogic.process(C
omponentTemplateLoaderLogic.java:172)
*
org.apache.tapestry.services.impl.ComponentTemplateLoaderLogic.process(C
omponentTemplateLoaderLogic.java:111)
*
org.apache.tapestry.services.impl.ComponentTemplateLoaderLogic.loadTempl
ate(ComponentTemplateLoaderLogic.java:88)
*
org.apache.tapestry.services.impl.ComponentTemplateLoaderImpl.loadTempla
te(ComponentTemplateLoaderImpl.java:60)
*
$ComponentTemplateLoader_106b7b9f88c.loadTemplate($ComponentTemplateLoad
er_106b7b9f88c.java)
*
org.apache.tapestry.pageload.PageLoader.loadTemplateForComponent(PageLoa
der.java:671)
*
org.apache.tapestry.BaseComponent.readTemplate(BaseComponent.java:77)
*
org.apache.tapestry.BaseComponent.finishLoad(BaseComponent.java:107)
* $ViewProfile_41.finishLoad($ViewProfile_41.java)
*
org.apache.tapestry.pageload.PageLoader.constructComponent(PageLoader.ja
va:473)
*
org.apache.tapestry.pageload.PageLoader.loadPage(PageLoader.java:642)
*
$IPageLoader_106b7b9f882.loadPage($IPageLoader_106b7b9f882.java)
*
$IPageLoader_106b7b9f883.loadPage($IPageLoader_106b7b9f883.java)
*
org.apache.tapestry.pageload.PageSource.getPage(PageSource.java:118)
*
$IPageSource_106b7b9f7ed.getPage($IPageSource_106b7b9f7ed.java)
*
org.apache.tapestry.engine.RequestCycle.loadPage(RequestCycle.java:265)
*
org.apache.tapestry.engine.RequestCycle.getPage(RequestCycle.java:248)
*
com.mcelroy.auth.pages.Login.activateExternalPage(Login.java:216)
*
org.apache.tapestry.engine.ExternalService.service(ExternalService.java:
160)
*
$IEngineService_106b7b9f87a.service($IEngineService_106b7b9f87a.java)
*
org.apache.tapestry.services.impl.EngineServiceOuterProxy.service(Engine
ServiceOuterProxy.java:65)
*
org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:24
8)
*
org.apache.tapestry.services.impl.InvokeEngineTerminator.service(InvokeE
ngineTerminator.java:60)
*
$WebRequestServicer_106b7b9f84d.service($WebRequestServicer_106b7b9f84d.
java)
*
org.apache.tapestry.services.impl.DisableCachingFilter.service(DisableCa
chingFilter.java:48)
*
$WebRequestServicerFilter_106b7b9f84f.service($WebRequestServicerFilter_
106b7b9f84f.java)
*
$WebRequestServicer_106b7b9f851.service($WebRequestServicer_106b7b9f851.
java)
*
$WebRequestServicer_106b7b9f849.service($WebRequestServicer_106b7b9f849.
java)
*
org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.servi
ce(WebRequestServicerPipelineBridge.java:56)
*
$ServletRequestServicer_106b7b9f82d.service($ServletRequestServicer_106b
7b9f82d.java)
*
org.apache.tapestry.request.DecodedRequestInjector.service(DecodedReques
tInjector.java:55)
*
$ServletRequestServicerFilter_106b7b9f829.service($ServletRequestService
rFilter_106b7b9f829.java)
*
$ServletRequestServicer_106b7b9f82f.service($ServletRequestServicer_106b
7b9f82f.java)
*
org.apache.tapestry.multipart.MultipartDecoderFilter.service(MultipartDe
coderFilter.java:52)
*
$ServletRequestServicerFilter_106b7b9f827.service($ServletRequestService
rFilter_106b7b9f827.java)
*
$ServletRequestServicer_106b7b9f82f.service($ServletRequestServicer_106b
7b9f82f.java)
*
org.apache.tapestry.services.impl.SetupRequestEncoding.service(SetupRequ
estEncoding.java:53)
*
$ServletRequestServicerFilter_106b7b9f82b.service($ServletRequestService
rFilter_106b7b9f82b.java)
*
$ServletRequestServicer_106b7b9f82f.service($ServletRequestServicer_106b
7b9f82f.java)
*
$ServletRequestServicer_106b7b9f821.service($ServletRequestServicer_106b
7b9f821.java)
*
org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java
:141)
*
org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:97)
*
javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
*
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
*
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:427)
*
org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationH
andler.java:475)
*
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567)
*
org.mortbay.http.HttpContext.handle(HttpContext.java:1565)
*
org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationCon
text.java:635)
*
org.mortbay.http.HttpContext.handle(HttpContext.java:1517)
* org.mortbay.http.HttpServer.service(HttpServer.java:954)
*
org.mortbay.http.HttpConnection.service(HttpConnection.java:814)
*
org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:981)
*
org.mortbay.http.HttpConnection.handle(HttpConnection.java:831)
*
org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244
)
*
org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
*
org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)
Thanks,
Shawn
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--
Howard M. Lewis Ship
Independent J2EE / Open-Source Java Consultant
Creator, Jakarta Tapestry
Creator, Jakarta HiveMind
Professional Tapestry training, mentoring, support
and project work. http://howardlewisship.com
--
Howard M. Lewis Ship
Independent J2EE / Open-Source Java Consultant
Creator, Jakarta Tapestry
Creator, Jakarta HiveMind
Professional Tapestry training, mentoring, support
and project work. http://howardlewisship.com
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