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https://issues.apache.org/jira/browse/TAPESTRY-2257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Howard M. Lewis Ship updated TAPESTRY-2257:
-------------------------------------------
Priority: Minor (was: Major)
Summary: Misleading error message when a component sub-class invokes
non-default constructor of parent component class (was: Base classes of pages
are not loaded even if located in base package)
> Misleading error message when a component sub-class invokes non-default
> constructor of parent component class
> -------------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-2257
> URL: https://issues.apache.org/jira/browse/TAPESTRY-2257
> Project: Tapestry
> Issue Type: Bug
> Components: tapestry-core
> Affects Versions: 5.0.10
> Environment: Linux, Sun JDK 1.6
> Reporter: Jens Pfau
> Priority: Minor
>
> Some of my pages inherit from a common abstract base class but even if I move
> this to <root package>.base, I receive the following application exception:
> Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> caught an exception while obtaining a class file for <root
> package>.pages.MyPage
> at
> org.apache.tapestry.internal.services.ComponentInstantiatorSourceImpl.findClass(ComponentInstantiatorSourceImpl.java:241)
> at
> org.apache.tapestry.internal.services.ComponentInstantiatorSourceImpl.findInstantiator(ComponentInstantiatorSourceImpl.java:223)
> at
> $ComponentInstantiatorSource_118ac384906.findInstantiator($ComponentInstantiatorSource_118ac384906.java)
> at
> org.apache.tapestry.internal.services.PageElementFactoryImpl.newRootComponentElement(PageElementFactoryImpl.java:257)
> at
> $PageElementFactory_118ac384934.newRootComponentElement($PageElementFactory_118ac384934.java)
> at
> org.apache.tapestry.internal.services.PageLoaderProcessor.loadRootComponent(PageLoaderProcessor.java:413)
> at
> org.apache.tapestry.internal.services.PageLoaderProcessor.loadPage(PageLoaderProcessor.java:391)
> at
> org.apache.tapestry.internal.services.PageLoaderImpl.loadPage(PageLoaderImpl.java:60)
> at $PageLoader_118ac384932.loadPage($PageLoader_118ac384932.java)
> at
> org.apache.tapestry.internal.services.PagePoolCache.checkout(PagePoolCache.java:188)
> at
> org.apache.tapestry.internal.services.PagePoolImpl.checkout(PagePoolImpl.java:107)
> at $PagePool_118ac384931.checkout($PagePool_118ac384931.java)
> at
> org.apache.tapestry.internal.services.RequestPageCacheImpl.get(RequestPageCacheImpl.java:43)
> at $RequestPageCache_118ac384930.get($RequestPageCache_118ac384930.java)
> at $RequestPageCache_118ac384903.get($RequestPageCache_118ac384903.java)
> at
> org.apache.tapestry.internal.services.LinkFactoryImpl.createPageLink(LinkFactoryImpl.java:239)
> at
> $LinkFactory_118ac384935.createPageLink($LinkFactory_118ac384935.java)
> at
> org.apache.tapestry.internal.structure.PageImpl.createPageLink(PageImpl.java:161)
> at
> org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.createPageLink(InternalComponentResourcesImpl.java:128)
> at
> org.apache.tapestry.corelib.components.PageLink.beginRender(PageLink.java:73)
> at
> org.apache.tapestry.corelib.components.PageLink.beginRender(PageLink.java)
> at
> org.apache.tapestry.internal.structure.ComponentPageElementImpl$11$1.run(ComponentPageElementImpl.java:338)
> at
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:874)
> ... 62 more
> Caused by: java.lang.ClassNotFoundException: caught an exception while
> obtaining a class file for <root package>.pages.MyPage
> at javassist.Loader.findClass(Loader.java:359)
> at
> org.apache.tapestry.internal.services.ComponentInstantiatorSourceImpl$PackageAwareLoader.findClass(ComponentInstantiatorSourceImpl.java:73)
> at javassist.Loader.loadClass(Loader.java:311)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at
> org.apache.tapestry.internal.services.ComponentInstantiatorSourceImpl.findClass(ComponentInstantiatorSourceImpl.java:237)
> ... 84 more
> Caused by: java.lang.RuntimeException: Base class <root
> package>.base.AbstractPage (super class of <root package>.pages.MyPage) is
> not in a controlled package and is therefore not valid. You should try moving
> the class to package <root package>.base.
> at
> org.apache.tapestry.internal.services.ComponentClassTransformerImpl.transformComponentClass(ComponentClassTransformerImpl.java:126)
> at
> $ComponentClassTransformer_118ac384913.transformComponentClass($ComponentClassTransformer_118ac384913.java)
> at
> org.apache.tapestry.internal.services.ComponentInstantiatorSourceImpl.onLoad(ComponentInstantiatorSourceImpl.java:162)
> at javassist.Loader.findClass(Loader.java:340)
> ... 88 more
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