T5: exception in T5 internal classes in the latest snapshot

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T5: exception in T5 internal classes in the latest snapshot

Thiago H de Paula Figueiredo
Hi!

Hava you met this exception? It happens in Tapestry's internal classes and  
it is an ordinary method parameter check, so I haven't attached the  
sources of my application, but I can do it if needed. It happens in form  
submissions and normal page requests, but not all.

My applicatin was running correctly last Monday, so I think it's something  
that changed in the last snapshot.

java.lang.IllegalArgumentException: Parameter expression was null or  
contained only whitespace.
        at org.apache.tapestry.ioc.internal.util.Defense.notBlank(Defense.java:71)
        at  
org.apache.tapestry.internal.services.BindingSourceImpl.newBinding(BindingSourceImpl.java:51)
        at $BindingSource_1132c8de055.newBinding($BindingSource_1132c8de055.java)
        at  
org.apache.tapestry.internal.services.PageElementFactoryImpl.newBinding(PageElementFactoryImpl.java:395)
        at  
$PageElementFactory_1132c8de050.newBinding($PageElementFactory_1132c8de050.java)
        at  
org.apache.tapestry.internal.services.PageLoaderProcessor.findBinding(PageLoaderProcessor.java:244)
        at  
org.apache.tapestry.internal.services.PageLoaderProcessor.bindParameterFromTemplate(PageLoaderProcessor.java:141)
        at  
org.apache.tapestry.internal.services.PageLoaderProcessor.attribute(PageLoaderProcessor.java:291)
        at  
org.apache.tapestry.internal.services.PageLoaderProcessor.loadTemplateForComponent(PageLoaderProcessor.java:500)
        at  
org.apache.tapestry.internal.services.PageLoaderProcessor.workComponentQueue(PageLoaderProcessor.java:712)
        at  
org.apache.tapestry.internal.services.PageLoaderProcessor.loadPage(PageLoaderProcessor.java:393)
        at  
org.apache.tapestry.internal.services.PageLoaderImpl.loadPage(PageLoaderImpl.java:59)
        at $PageLoader_1132c8de04e.loadPage($PageLoader_1132c8de04e.java)
        at  
org.apache.tapestry.internal.services.PagePoolImpl.checkout(PagePoolImpl.java:63)
        at $PagePool_1132c8de04d.checkout($PagePool_1132c8de04d.java)
        at  
org.apache.tapestry.internal.services.RequestPageCacheImpl.getByClassName(RequestPageCacheImpl.java:58)
        at  
org.apache.tapestry.internal.services.RequestPageCacheImpl.get(RequestPageCacheImpl.java:49)
        at $RequestPageCache_1132c8de04c.get($RequestPageCache_1132c8de04c.java)
        at $RequestPageCache_1132c8de027.get($RequestPageCache_1132c8de027.java)
        at  
org.apache.tapestry.internal.services.StringResultProcessor.processComponentEvent(StringResultProcessor.java:44)
        at  
org.apache.tapestry.internal.services.StringResultProcessor.processComponentEvent(StringResultProcessor.java:29)
        at  
$ComponentEventResultProcessor_1132c8de083.processComponentEvent($ComponentEventResultProcessor_1132c8de083.java)
        at  
$ComponentEventResultProcessor_1132c8de01d.processComponentEvent($ComponentEventResultProcessor_1132c8de01d.java)
        at  
org.apache.tapestry.corelib.components.Form$1.handleResult(Form.java:320)
        at  
org.apache.tapestry.internal.services.EventImpl.storeResult(EventImpl.java:63)
        at br.com.eteg.cursohibernate.pages.Index.handleComponentEvent(Index.java)
        at  
org.apache.tapestry.internal.structure.ComponentPageElementImpl.handleEvent(ComponentPageElementImpl.java:885)
        at  
org.apache.tapestry.internal.structure.ComponentPageElementImpl.triggerEvent(ComponentPageElementImpl.java:998)
        at  
org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.triggerEvent(InternalComponentResourcesImpl.java:147)
        at org.apache.tapestry.corelib.components.Form.onAction(Form.java:393)
        at  
org.apache.tapestry.corelib.components.Form.handleComponentEvent(Form.java)
        at  
org.apache.tapestry.internal.structure.ComponentPageElementImpl.handleEvent(ComponentPageElementImpl.java:893)
        at  
org.apache.tapestry.internal.structure.ComponentPageElementImpl.triggerEvent(ComponentPageElementImpl.java:998)
        at  
org.apache.tapestry.internal.services.ActionLinkHandlerImpl.handle(ActionLinkHandlerImpl.java:100)
        at  
org.apache.tapestry.internal.services.ActionLinkHandlerImpl.handle(ActionLinkHandlerImpl.java:53)
        at  
$ActionLinkHandler_1132c8de049.handle($ActionLinkHandler_1132c8de049.java)
        at  
org.apache.tapestry.internal.services.ComponentActionDispatcher.dispatch(ComponentActionDispatcher.java:115)
        at $Dispatcher_1132c8de04a.dispatch($Dispatcher_1132c8de04a.java)
        at $Dispatcher_1132c8de03e.dispatch($Dispatcher_1132c8de03e.java)
        at  
org.apache.tapestry.services.TapestryModule$12.service(TapestryModule.java:1060)
        at  
org.apache.tapestry.internal.services.LocalizationFilter.service(LocalizationFilter.java:43)
        at $RequestHandler_1132c8de03f.service($RequestHandler_1132c8de03f.java)
        at  
org.apache.tapestry.services.TapestryModule$3.service(TapestryModule.java:660)
        at $RequestHandler_1132c8de03f.service($RequestHandler_1132c8de03f.java)
        at  
org.apache.tapestry.internal.services.StaticFilesFilter.service(StaticFilesFilter.java:63)
        at $RequestHandler_1132c8de03f.service($RequestHandler_1132c8de03f.java)
        at  
org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:91)
        at  
org.apache.tapestry.internal.services.CheckForUpdatesFilter$2.invoke(CheckForUpdatesFilter.java:82)
        at  
org.apache.tapestry.ioc.internal.util.ConcurrentBarrier.withRead(ConcurrentBarrier.java:77)
        at  
org.apache.tapestry.internal.services.CheckForUpdatesFilter.service(CheckForUpdatesFilter.java:104)
        at $RequestHandler_1132c8de03f.service($RequestHandler_1132c8de03f.java)
        at $RequestHandler_1132c8de039.service($RequestHandler_1132c8de039.java)
        at  
org.apache.tapestry.services.TapestryModule$11.service(TapestryModule.java:1038)
        at  
$HttpServletRequestHandler_1132c8de038.service($HttpServletRequestHandler_1132c8de038.java)
        at org.apache.tapestry.TapestryFilter.doFilter(TapestryFilter.java:135)
        at  
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1040)
        at  
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:352)
        at  
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:230)
        at  
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:627)
        at  
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:149)
        at  
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:123)
        at  
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:141)
        at org.mortbay.jetty.Server.handle(Server.java:286)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:444)
        at  
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:715)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:627)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:203)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:340)
        at  
org.mortbay.jetty.nio.HttpChannelEndPoint.run(HttpChannelEndPoint.java:270)
        at  
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)

Thiago

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