Running a GAE app locally via eclipse and using tapestry 5.0.18, I get the
following exception:
Actually I am getting the same exception when running locally using 5.1.0.3
and 5.1.0.4.

HTTP ERROR: 500

org/apache/tapestry5/corelib/components/Loop$1

RequestURI=/
Caused by:

java.lang.NoClassDefFoundError:
org/apache/tapestry5/corelib/components/Loop$1
    at org.apache.tapestry5.corelib.components.Loop.(Loop.java:42)
    at $Instantiator_12099fb49cd.newInstance($Instantiator_12099fb49cd.java)
    at
org.apache.tapestry5.internal.structure.InternalComponentResourcesImpl.(InternalComponentResourcesImpl.java:85)
    at
org.apache.tapestry5.internal.structure.ComponentPageElementImpl.(ComponentPageElementImpl.java:589)
    at
org.apache.tapestry5.internal.structure.ComponentPageElementImpl.newChild(ComponentPageElementImpl.java:523)
    at
org.apache.tapestry5.internal.services.PageElementFactoryImpl.newComponentElement(PageElementFactoryImpl.java:229)
    at
$PageElementFactory_12099fb4991.newComponentElement($PageElementFactory_12099fb4991.java)
    at
org.apache.tapestry5.internal.services.PageLoaderProcessor.startComponent(PageLoaderProcessor.java:683)
    at
org.apache.tapestry5.internal.services.PageLoaderProcessor.loadTemplateForComponent(PageLoaderProcessor.java:499)
    at
org.apache.tapestry5.internal.services.PageLoaderProcessor.workComponentQueue(PageLoaderProcessor.java:834)
    at
org.apache.tapestry5.internal.services.PageLoaderProcessor.loadPage(PageLoaderProcessor.java:392)
    at
org.apache.tapestry5.internal.services.PageLoaderImpl.loadPage(PageLoaderImpl.java:59)
    at $PageLoader_12099fb498f.loadPage($PageLoader_12099fb498f.java)
    at
org.apache.tapestry5.internal.services.PagePoolCache.checkout(PagePoolCache.java:210)
    at
org.apache.tapestry5.internal.services.PagePoolImpl.checkout(PagePoolImpl.java:99)
    at $PagePool_12099fb498e.checkout($PagePool_12099fb498e.java)
    at
org.apache.tapestry5.internal.services.RequestPageCacheImpl.get(RequestPageCacheImpl.java:51)
    at $RequestPageCache_12099fb498d.get($RequestPageCache_12099fb498d.java)
    at $RequestPageCache_12099fb4985.get($RequestPageCache_12099fb4985.java)
    at
org.apache.tapestry5.internal.services.DefaultRequestExceptionHandler.handleRequestException(DefaultRequestExceptionHandler.java:69)
    at
$RequestExceptionHandler_12099fb4974.handleRequestException($RequestExceptionHandler_12099fb4974.java)
    at
org.apache.tapestry5.internal.services.RequestErrorFilter.service(RequestErrorFilter.java:42)
    at $RequestHandler_12099fb4977.service($RequestHandler_12099fb4977.java)
    at
org.apache.tapestry5.services.TapestryModule$3.service(TapestryModule.java:621)
    at $RequestHandler_12099fb4977.service($RequestHandler_12099fb4977.java)
    at
org.apache.tapestry5.services.TapestryModule$2.service(TapestryModule.java:611)
    at $RequestHandler_12099fb4977.service($RequestHandler_12099fb4977.java)
    at
org.apache.tapestry5.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:85)
    at $RequestHandler_12099fb4977.service($RequestHandler_12099fb4977.java)
    at
org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:93)
    at
org.apache.tapestry5.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:84)
    at
org.apache.tapestry5.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:83)
    at
org.apache.tapestry5.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:106)
    at $RequestHandler_12099fb4977.service($RequestHandler_12099fb4977.java)
    at $RequestHandler_12099fb496d.service($RequestHandler_12099fb496d.java)
    at
org.apache.tapestry5.services.TapestryModule$16.service(TapestryModule.java:1007)
    at
org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
    at
$HttpServletRequestFilter_12099fb496c.service($HttpServletRequestFilter_12099fb496c.java)
    at
$HttpServletRequestHandler_12099fb496e.service($HttpServletRequestHandler_12099fb496e.java)
    at
$HttpServletRequestHandler_12099fb496b.service($HttpServletRequestHandler_12099fb496b.java)
    at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:179)
    at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
    at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
    at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
    at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
    at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
    at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
    at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
    at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
    at
com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:54)
    at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
    at
com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:306)
    at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
    at org.mortbay.jetty.Server.handle(Server.java:313)
    at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
    at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830)
    at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
    at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
    at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
    at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396)
    at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)

I've included tapestry-core, annotations and ioc and other dependent
libraries to the classpath /war/WEB-INF/lib. In my templates I've used only
a page property and the component PageLink.

- keerthy

2009/4/12 ஸ்ரீராம் கீர்த்தி <sriramkeer...@gmail.com>

> Thanks Christian K,
>
> Can you post your GAE application's folder structure (also how you
> integrated tapestry jars in it) and if possible the source of the demo app.
> I tried 5.0.18 version and I am getting NoClassDefFoundError on an inner
> class corelib.components.Loop$1
>
> Thanks,
> Sriram Keerthy
>
>
> On Sun, Apr 12, 2009 at 2:19 PM, Christian Köberl <
> tapestry.christian.koeb...@gmail.com> wrote:
>
>>
>> I have Tapestry 5.0.18 working: http://tapestry-mail.appspot.com/
>>
>> Tapestry 5.1.0.2 does not work on GAE - there seems to be a problem with
>> the Woodstox Stax2 lib.
>>
>> --
>> Chris
>> http://derkoe.wordpress.com/
>> --
>> View this message in context:
>> http://n2.nabble.com/Java-support-added-to-Google-AppEngine-tp2605876p2623431.html
>> Sent from the Tapestry Users mailing list archive at Nabble.com.
>>
>>
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>>
>

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