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https://issues.apache.org/jira/browse/TAPESTRY-1423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12490873
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Massimo Lusetti commented on TAPESTRY-1423:
-------------------------------------------
Would you like to elaborate a little more on what you are meaning by install?
Thanks.
> Tapestry IoC fail to get the correct class from javassist.CtClass when the
> instance is already a proxy
> ------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-1423
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1423
> Project: Tapestry
> Issue Type: Bug
> Components: tapestry-ioc
> Affects Versions: 5.0.4
> Reporter: Massimo Lusetti
>
> Using tapestry-spring to wire spring beans and have spring (I'm using 2.x)
> deal with hibernate entities and transaction management by AoP result in
> having entities being a proxy class.
> This cause, for example, the BeanEditForm to fail:
> # java.lang.RuntimeException
> Unable to add method java.lang.Object get(java.lang.Object) to class
> $PropertyConduit_11214ae4ca6: [source error] no such class:
> it.datacode.tapestry.t5js.entities.Clients$$EnhancerByCGLIB$$4429b0f8
> # javassist.CannotCompileException
> [source error] no such class:
> it.datacode.tapestry.t5js.entities.Clients$$EnhancerByCGLIB$$4429b0f8
> reason
> [source error] no such class:
> it.datacode.tapestry.t5js.entities.Clients$$EnhancerByCGLIB$$4429b0f8
> # javassist.compiler.CompileError
> no such class:
> it.datacode.tapestry.t5js.entities.Clients$$EnhancerByCGLIB$$4429b0f8
> Stack trace
> *
> javassist.compiler.MemberResolver.searchImports(MemberResolver.java:416)
> *
> javassist.compiler.MemberResolver.lookupClass(MemberResolver.java:392)
> *
> javassist.compiler.MemberResolver.lookupClassByJvmName(MemberResolver.java:310)
> *
> javassist.compiler.MemberResolver.resolveJvmClassName(MemberResolver.java:460)
> *
> javassist.compiler.MemberCodeGen.resolveClassName(MemberCodeGen.java:1064)
> * javassist.compiler.CodeGen.atDeclarator(CodeGen.java:698)
> * javassist.compiler.ast.Declarator.accept(Declarator.java:99)
> * javassist.compiler.CodeGen.atStmnt(CodeGen.java:344)
> * javassist.compiler.ast.Stmnt.accept(Stmnt.java:49)
> * javassist.compiler.CodeGen.atStmnt(CodeGen.java:344)
> * javassist.compiler.ast.Stmnt.accept(Stmnt.java:49)
> * javassist.compiler.CodeGen.atMethodBody(CodeGen.java:285)
> * javassist.compiler.Javac.compileBody(Javac.java:212)
> * javassist.CtBehavior.setBody(CtBehavior.java:340)
> * javassist.CtBehavior.setBody(CtBehavior.java:315)
> *
> org.apache.tapestry.ioc.internal.services.ClassFabImpl.addMethod(ClassFabImpl.java:218)
> *
> org.apache.tapestry.internal.services.PropertyConduitSourceImpl.buildGetter(PropertyConduitSourceImpl.java:227)
> *
> org.apache.tapestry.internal.services.PropertyConduitSourceImpl.build(PropertyConduitSourceImpl.java:114)
> *
> org.apache.tapestry.internal.services.PropertyConduitSourceImpl.create(PropertyConduitSourceImpl.java:75)
> *
> org.apache.tapestry.internal.beaneditor.BeanModelImpl.createConduit(BeanModelImpl.java:83)
> *
> org.apache.tapestry.internal.beaneditor.BeanModelImpl.add(BeanModelImpl.java:67)
> *
> org.apache.tapestry.internal.services.BeanModelSourceImpl.create(BeanModelSourceImpl.java:95)
> *
> org.apache.tapestry.corelib.components.BeanEditForm.onPrepareFromForm(BeanEditForm.java:207)
> *
> org.apache.tapestry.corelib.components.BeanEditForm.handleComponentEvent(BeanEditForm.java)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.handleEvent(ComponentPageElementImpl.java:895)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.triggerEvent(ComponentPageElementImpl.java:1002)
> *
> org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.triggerEvent(InternalComponentResourcesImpl.java:141)
> *
> org.apache.tapestry.corelib.components.Form.beginRender(Form.java:223)
> * org.apache.tapestry.corelib.components.Form.beginRender(Form.java)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl$10$1.run(ComponentPageElementImpl.java:345)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:940)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl.access$100(ComponentPageElementImpl.java:69)
> *
> org.apache.tapestry.internal.structure.ComponentPageElementImpl$10.render(ComponentPageElementImpl.java:349)
> *
> org.apache.tapestry.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:57)
> *
> org.apache.tapestry.internal.services.PageMarkupRendererImpl.renderPageMarkup(PageMarkupRendererImpl.java:42)
> *
> org.apache.tapestry.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:49)
> *
> org.apache.tapestry.internal.services.PageRenderDispatcher$1.renderPage(PageRenderDispatcher.java:82)
> *
> org.apache.tapestry.internal.services.PageLinkHandlerImpl.handle(PageLinkHandlerImpl.java:89)
> *
> org.apache.tapestry.internal.services.PageLinkHandlerImpl.handle(PageLinkHandlerImpl.java:49)
> *
> org.apache.tapestry.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:91)
> *
> org.apache.tapestry.services.TapestryModule$12.service(TapestryModule.java:1073)
> *
> it.datacode.tapestry.t5js.services.AppModule$1.service(AppModule.java:59)
> So when the ioc get the CtClass should try to obtain the actual name of the
> class discarding the proxy part.
> This patch, actually an hack, fix the problem:
> Index: src/main/java/org/apache/tapestry/ioc/services/ClassFabUtils.java
> ===================================================================
> --- src/main/java/org/apache/tapestry/ioc/services/ClassFabUtils.java
> (revision 530468)
> +++ src/main/java/org/apache/tapestry/ioc/services/ClassFabUtils.java
> (working copy)
> @@ -62,7 +62,9 @@
> public static String toJavaClassName(Class inputClass)
> {
> if (inputClass.isArray()) return
> toJavaClassName(inputClass.getComponentType()) + "[]";
> -
> + else if (inputClass.getName().indexOf("$$") != -1)
> + return inputClass.getName().substring(0,
> inputClass.getName().indexOf('$'));
> +
> return inputClass.getName();
> }
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