I have found the mistake, I use
Sotacs<http://sotacs.sourceforge.net/home/index.html>(
0.91)in my project , I should update to 0.92 .Now it works well.

2007/9/14, Doublel <[EMAIL PROTECTED]>:
>
> Thanks I got it, I am careful about my source file.
>
> Thank you very much!!
>
> 2007/9/13, Andreas Andreou <[EMAIL PROTECTED]>:
> >
> > It's related to defaultStyleAsset
> > Can you show the .page and the .java files? Is it possible that you
> > define the asset in both files?
> >
> > On 9/13/07, Doublel <[EMAIL PROTECTED] > wrote:
> > >
> > > hi
> > >      in my T4.0.2 project  I write a custom Border component .the code
> > is:
> > >
> > > <html jwcid="shell">
> > > <head jwcid="[EMAIL PROTECTED]">
> > >   <link rel="SHORTCUT ICON" href="favicon.ico" />
> > >
> > >   <script jwcid="@Any" type="text/javascript" src="ognl:baseURL +
> > > '/xtree/xtree.js'"></script>
> > >   <link jwcid="@Any" type="text/css" rel="stylesheet"
> > href="ognl:baseURL +
> > > '/xtree/xtree.css'"/>
> > >
> > > </head>
> > > <body jwcid="@Body" >
> > > <div id="wrap">
> > >          <div id="somediv"
> > > style="clear:left;display:block;width:100%;height:100%;" >
> > >         <span jwcid="@RenderBody"/>
> > >         </div>
> > >
> > >   </div>
> > >
> > > </body>
> > >
> > > </html>
> > >
> > >
> > > and very page use this componet,In T4.0.2 it work well .but in T4.1.2
> >   I
> > > got
> > > an exception:
> > > Where is the possible wrong? anybody can give some tips???
> > > thnks a lot
> > > org.apache.hivemind.ApplicationRuntimeException Property
> > defaultStyleAsset
> > > has already been claimed by a different enhancement worker. Stack
> > Trace:
> > >
> > >    -
> > org.apache.tapestry.enhance.EnhancementOperationImpl.claimProperty(
> > >    EnhancementOperationImpl.java:242)
> > >    -
> > >
> > >
> > org.apache.tapestry.enhance.EnhancementOperationImpl.claimReadonlyProperty
> > >    (EnhancementOperationImpl.java:265)
> > >    - org.apache.tapestry.enhance.InjectAssetWorker.injectAsset(
> > >    InjectAssetWorker.java:78)
> > >    -
> > >
> > >
> > org.apache.tapestry.annotations.InjectAssetAnnotationWorker.performEnhancement
> > >    (InjectAssetAnnotationWorker.java:90)
> > >    -
> > >
> > >
> > org.apache.tapestry.annotations.InjectAssetAnnotationWorker.performEnhancement
> > >    (InjectAssetAnnotationWorker.java:64)
> > >    -
> > >
> > $EnhancementWorker_114fdfb9b61.performEnhancement($EnhancementWorker_114fdfb9b61.java)
> > >
> > >    -
> > >
> > $EnhancementWorker_114fdfb9b63.performEnhancement($EnhancementWorker_114fdfb9b63.java)
> > >
> > >    -
> > >
> > $EnhancementWorker_114fdfb9b35.performEnhancement($EnhancementWorker_114fdfb9b35.java)
> > >
> > >    -
> > >
> > >
> > org.apache.tapestry.services.impl.ComponentConstructorFactoryImpl.getComponentConstructor
> > >    (ComponentConstructorFactoryImpl.java:103)
> > >    -
> > >
> > $ComponentConstructorFactory_114fdfb9b1c.getComponentConstructor($ComponentConstructorFactory_114fdfb9b1c.java)
> > >
> > >    - org.apache.tapestry.pageload.PageLoader.instantiateComponent (
> > >    PageLoader.java:556)
> > >    - org.apache.tapestry.pageload.PageLoader.constructComponent(
> > >    PageLoader.java:382)
> > >    - org.apache.tapestry.pageload.PageLoader.loadPage(PageLoader.java:639)
> >
> > >
> > >    - $IPageLoader_114fdfb9b16.loadPage($IPageLoader_114fdfb9b16.java)
> > >    - $IPageLoader_114fdfb9b17.loadPage($IPageLoader_114fdfb9b17.java)
> > >    - org.apache.tapestry.pageload.PageSource.makeObject (
> > PageSource.java
> > > :153)
> > >
> > >    - org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(
> > >    GenericKeyedObjectPool.java:797)
> > >    - org.apache.tapestry.pageload.PageSource.getPage (PageSource.java
> > :177)
> > >
> > >    - $IPageSource_114fdfb9a6d.getPage($IPageSource_114fdfb9a6d.java)
> > >    - org.apache.tapestry.engine.RequestCycle.loadPage(
> > RequestCycle.java
> > > :239)
> > >
> > >    - org.apache.tapestry.engine.RequestCycle.getPage(RequestCycle.java
> > > :226)
> > >
> > >    - org.apache.tapestry.engine.RequestCycle.activate(
> > RequestCycle.java
> > > :559)
> > >
> > >    - cn.com.cccar.tapestry.Result.onNavigate (Result.java:164)
> > >    - sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > >    - sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> > >    - sun.reflect.DelegatingMethodAccessorImpl.invoke (Unknown Source)
> > >    - java.lang.reflect.Method.invoke(Unknown Source)
> > >    -
> > >
> > >
> > org.apache.tapestry.listener.ListenerMethodInvokerImpl.invokeTargetMethod
> > >    (ListenerMethodInvokerImpl.java :276)
> > >    -
> > >
> > >
> > org.apache.tapestry.listener.ListenerMethodInvokerImpl.invokeListenerMethod
> > >    (ListenerMethodInvokerImpl.java:221)
> > >    -
> > >
> > org.apache.tapestry.listener.ListenerMethodInvokerImpl.searchAndInvoke
> > >    (ListenerMethodInvokerImpl.java:157)
> > >    -
> > >
> > >
> > org.apache.tapestry.listener.ListenerMethodInvokerImpl.invokeListenerMethod
> > >    (ListenerMethodInvokerImpl.java:80)
> > >    - org.apache.tapestry.listener.SyntheticListener.actionTriggered (
> > >    SyntheticListener.java:52)
> > >    - org.apache.tapestry.binding.ListenerMethodBinding.actionTriggered
> > (
> > >    ListenerMethodBinding.java:77)
> > >    -
> > >
> > org.apache.tapestry.listener.ListenerInvokerTerminator.invokeListener (
> > >    ListenerInvokerTerminator.java:50)
> > >    -
> > >
> > $ListenerInvoker_114fdfb9a9f.invokeListener($ListenerInvoker_114fdfb9a9f.java)
> > >
> > >    - org.apache.tapestry.link.DirectLink.trigger(DirectLink.java :101)
> > >    - org.apache.tapestry.engine.DirectService.triggerComponent(
> > >    DirectService.java:166)
> > >    - org.apache.tapestry.engine.DirectService.service(
> > DirectService.java
> > > :142)
> > >
> > >    -
> > $IEngineService_114fdfb9afc.service($IEngineService_114fdfb9afc.java)
> > >
> > >    - org.apache.tapestry.services.impl.EngineServiceOuterProxy.service
> > (
> > >    EngineServiceOuterProxy.java:72)
> > >    - org.apache.tapestry.engine.AbstractEngine.service(
> > >    AbstractEngine.java :237)
> > >    - org.apache.tapestry.services.impl.InvokeEngineTerminator.service(
> > >    InvokeEngineTerminator.java:54)
> > >    -
> > >
> > $WebRequestServicer_114fdfb9ad3.service($WebRequestServicer_114fdfb9ad3.java)
> >
> > >
> > >    -
> > >
> > $WebRequestServicer_114fdfb9acf.service($WebRequestServicer_114fdfb9acf.java)
> > >
> > >    -
> > >
> > >
> > org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.service
> > >    (WebRequestServicerPipelineBridge.java:61)
> > >    -
> > >
> > $ServletRequestServicer_114fdfb9ab5.service($ServletRequestServicer_114fdfb9ab5.java)
> > >
> > >    - org.apache.tapestry.request.DecodedRequestInjector.service (
> > >    DecodedRequestInjector.java:55)
> > >    -
> > >
> > $ServletRequestServicerFilter_114fdfb9ab1.service($ServletRequestServicerFilter_114fdfb9ab1.java)
> > >
> > >    -
> > >
> > $ServletRequestServicer_114fdfb9ab7.service($ServletRequestServicer_114fdfb9ab7.java)
> >
> > >
> > >    - org.apache.tapestry.multipart.MultipartDecoderFilter.service(
> > >    MultipartDecoderFilter.java:52)
> > >    -
> > >
> > $ServletRequestServicerFilter_114fdfb9aaf.service($ServletRequestServicerFilter_114fdfb9aaf.java)
> >
> > >
> > >    -
> > >
> > $ServletRequestServicer_114fdfb9ab7.service($ServletRequestServicer_114fdfb9ab7.java)
> > >
> > >    - org.apache.tapestry.services.impl.SetupRequestEncoding.service(
> > >    SetupRequestEncoding.java :53)
> > >    -
> > >
> > $ServletRequestServicerFilter_114fdfb9ab3.service($ServletRequestServicerFilter_114fdfb9ab3.java)
> > >
> > >    -
> > >
> > $ServletRequestServicer_114fdfb9ab7.service($ServletRequestServicer_114fdfb9ab7.java)
> >
> > >
> > >    -
> > >
> > $ServletRequestServicer_114fdfb9aa9.service($ServletRequestServicer_114fdfb9aa9.java)
> > >
> > >    - org.apache.tapestry.ApplicationServlet.doService(
> > >    ApplicationServlet.java :126)
> > >    - org.apache.tapestry.ApplicationServlet.doGet(
> > ApplicationServlet.java
> > > :103)
> > >
> > >    - javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
> > >    - javax.servlet.http.HttpServlet.service (HttpServlet.java:803)
> > >    - org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> > >    ApplicationFilterChain.java:269)
> > >    - org.apache.catalina.core.ApplicationFilterChain.doFilter(
> > >     ApplicationFilterChain.java:188)
> > >    - org.apache.catalina.core.StandardWrapperValve.invoke(
> > >    StandardWrapperValve.java:210)
> > >    - org.apache.catalina.core.StandardContextValve.invoke(
> > >    StandardContextValve.java :174)
> > >    - org.apache.catalina.core.StandardHostValve.invoke(
> > >    StandardHostValve.java:127)
> > >    - org.apache.catalina.valves.ErrorReportValve.invoke(
> > >    ErrorReportValve.java:117)
> > >    - org.apache.catalina.core.StandardEngineValve.invoke(
> > >    StandardEngineValve.java:108)
> > >    - org.apache.catalina.connector.CoyoteAdapter.service(
> > >    CoyoteAdapter.java:151)
> > >    - org.apache.coyote.http11.Http11AprProcessor.process (
> > >    Http11AprProcessor.java:834)
> > >    -
> > >
> > >
> > org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process
> > >    (Http11AprProtocol.java:640)
> > >    - org.apache.tomcat.util.net.AprEndpoint$Worker.run (
> > AprEndpoint.java
> > > :1286)
> > >
> > >    - java.lang.Thread.run(Unknown Source)
> > >
> > >
> > >
> > > --
> > > 得与失都是生活
> > >
> >
> >
> >
> > --
> > Andreas Andreou - [EMAIL PROTECTED] - http://andyhot.di.uoa.gr
> > Tapestry / Tacos developer
> > Open Source / JEE Consulting
> >
>
>
>
> --
> 得与失都是生活




-- 
得与失都是生活

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