Re: Tapestry/Javassist reading the wrong class type

Kalle Korhonen-2 wrote:

Matt,

it's the OGNL expression compiler. It still works, you just see the
exception logged as OGNL switches to interpreted mode, right? I've reported
this issue as http://jira.opensymphony.com/browse/OGNL-115. Vote for the
issue and downgrade your OGNL to 2.6.7. I wouldn't get my hopes up that
anybody would fix it before Jesse comes back from his vacation...

Kalle


On 8/29/07, mraible <matt@raibledesigns.com> wrote:
>
>
> I have the following contrib:Table that reds a Set of users from the
> servletContext (they're added to it as they login to maintain a list of
> active users).
>
> <table jwcid="table@contrib:Table" class="table contribTable" id="user"
>     rowsClass="ognl:beans.rowsClass.next" row="ognl:row"
>     columns="user.username:username, activeUsers.fullName:fullName"
>     source="ognl:getServletContext().getAttribute('userNames')"
> initialSortColumn="username"
>     arrowUpAsset="asset:upArrow" arrowDownAsset="asset:downArrow">
> </table>
>
> Even thought "userNames" is a list of User objects in the ServletContext,
> javassist doesn't seem to recognize that. It seems to cast it to its
> UserDetails interface instead of the User object. Any ideas how to fix
> this?
>
> ERROR [btpool0-2] HiveMindExpressionCompiler.compileExpression(224) |
> Error
> generating OGNL statements for expression username with root
> org.appfuse.model.User@791a53
> [username=admin,enabled=false,accountExpired=false,credentialsExpired=false,accountLocked=false,Granted
> Authorities: ]
> org.apache.hivemind.ApplicationRuntimeException: Unable to add method void
> set(ognl.OgnlContext, java.lang.Object, java.lang.Object) to class
> $ASTProperty_114b3aa67a1: [source error] setUsername(java.lang.String) not
> found in org.acegisecurity.userdetails.UserDetails
>         at
> org.apache.tapestry.enhance.ClassFabImpl.addMethod(ClassFabImpl.java:278)
>         at
>
> org.apache.tapestry.services.impl.HiveMindExpressionCompiler.compileExpression
> (HiveMindExpressionCompiler.java:214)
>         at ognl.OgnlRuntime.compileExpression(OgnlRuntime.java:523)
>         at ognl.Ognl.compileExpression(Ognl.java:141)
>         at
> org.apache.tapestry.services.impl.ExpressionCacheImpl.parse(
> ExpressionCacheImpl.java:152)
>         at
>
> org.apache.tapestry.services.impl.ExpressionCacheImpl.getCompiledExpression
> (ExpressionCacheImpl.java:115)
>         at
>
> $ExpressionCache_114b3aa6746.getCompiledExpression($ExpressionCache_114b3aa6746.java)
>         at
> org.apache.tapestry.services.impl.ExpressionEvaluatorImpl.read(
> ExpressionEvaluatorImpl.java:108)
>         at
>
> $ExpressionEvaluator_114b3aa6744.read($ExpressionEvaluator_114b3aa6744.java)
>         at
>
> org.apache.tapestry.contrib.table.model.ognl.OgnlTableColumnEvaluator.getColumnValue
> (OgnlTableColumnEvaluator.java:59)
>
> Thanks,
>
> Matt
> --
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