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From "Christophe Cordenier (JIRA)" <j...@apache.org>
Subject [jira] Commented: (TAP5-747) Property expression results in spurious error about "root"
Date Tue, 13 Oct 2009 21:49:31 GMT

    [ https://issues.apache.org/jira/browse/TAP5-747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12765256#action_12765256
] 

Christophe Cordenier commented on TAP5-747:
-------------------------------------------

Hello

I am not sure if this can be usefull, but by calling the 'addRootVariable' on the navBuilder
in the createAccessors() method, the expression works.

Regards
Christophe.



> Property expression results in spurious error about "root"
> ----------------------------------------------------------
>
>                 Key: TAP5-747
>                 URL: https://issues.apache.org/jira/browse/TAP5-747
>             Project: Tapestry 5
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.1.0.5
>            Reporter: Howard M. Lewis Ship
>            Priority: Critical
>
> It's a complex expresssion, with a method invocation, but it should work.  propertyName
is part of my page.  Don't know what "root" is about! Probably an error related to generating
a method invocation.
> # org.apache.tapestry5.ioc.internal.util.TapestryException
> Could not convert 'context.itemModel.get(propertyName).label' into a component parameter
binding: Unable to add method org.apache.tapestry5.beaneditor.PropertyModel navigate(widen.collective.blocks.pages.LCGridView)
to class $PropertyConduit_121d07fa7a4: [source error] no such class: root
> location
>     classpath:widen/collective/blocks/pages/LCGridView.tml, line 12
>     7	<div>
>     8	<t:loop source="context.listedItems" value="item">
>     9	
>     10	<div style="{ float: left; border: 2px solid blue; }">
>     11	
>     12	<t:loop source="context.itemModel.propertyNames" value="propertyName">
>     13	${context.itemModel.get(propertyName).label}:
>     14	<t:propertydisplay
>     15	model="context.itemModel.get(propertyName)" object="item" />
>     16	</t:loop>
>     17	</div>
> # javassist.CannotCompileException
> [source error] no such class: root
> reason
>     [source error] no such class: root
> # javassist.compiler.CompileError
> no such class: root
> Hide uninteresting stack frames Stack trace
>         * javassist.compiler.MemberResolver.searchImports(MemberResolver.java:436)
>         * javassist.compiler.MemberResolver.lookupClass(MemberResolver.java:412)
>         * javassist.compiler.MemberResolver.lookupClassByJvmName(MemberResolver.java:330)
>         * javassist.compiler.TypeChecker.atCallExpr(TypeChecker.java:671)
>         * javassist.compiler.JvstTypeChecker.atCallExpr(JvstTypeChecker.java:156)
>         * javassist.compiler.ast.CallExpr.accept(CallExpr.java:45)
>         * javassist.compiler.CodeGen.doTypeCheck(CodeGen.java:241)
>         * javassist.compiler.CodeGen.atDeclarator(CodeGen.java:725)
>         * javassist.compiler.ast.Declarator.accept(Declarator.java:99)
>         * javassist.compiler.CodeGen.atStmnt(CodeGen.java:350)
>         * javassist.compiler.ast.Stmnt.accept(Stmnt.java:49)
>         * javassist.compiler.CodeGen.atStmnt(CodeGen.java:350)
>         * javassist.compiler.ast.Stmnt.accept(Stmnt.java:49)
>         * javassist.compiler.CodeGen.atMethodBody(CodeGen.java:291)
>         * javassist.compiler.Javac.compileBody(Javac.java:222)
>         * javassist.CtBehavior.setBody(CtBehavior.java:360)
>         * javassist.CtBehavior.setBody(CtBehavior.java:334)
>         * org.apache.tapestry5.ioc.internal.services.ClassFabImpl.addMethod(ClassFabImpl.java:209)
>         * org.apache.tapestry5.internal.services.PropertyConduitSourceImpl$PropertyConduitBuilder.createAccessors(PropertyConduitSourceImpl.java:405)
>         * org.apache.tapestry5.internal.services.PropertyConduitSourceImpl$PropertyConduitBuilder.createInstance(PropertyConduitSourceImpl.java:260)
>         * org.apache.tapestry5.internal.services.PropertyConduitSourceImpl.build(PropertyConduitSourceImpl.java:1205)
>         * org.apache.tapestry5.internal.services.PropertyConduitSourceImpl.create(PropertyConduitSourceImpl.java:1080)
>         * $PropertyConduitSource_121d07fa650.create($PropertyConduitSource_121d07fa650.java)
>         * org.apache.tapestry5.internal.bindings.PropBindingFactory.newBinding(PropBindingFactory.java:49)


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