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https://issues.apache.org/jira/browse/MYFACES-2829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12889973#action_12889973
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Mark Struberg commented on MYFACES-2829:
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a possible problem spotted while debugging might be that we currently always set
ActionSourceRule.ACTION_SIG (new Class[0];)
in
ActionSourceRule#applyMetadata(FaceletContext ctx, Object instance)
> wrong BeanELResolver paramType invocation
> -----------------------------------------
>
> Key: MYFACES-2829
> URL: https://issues.apache.org/jira/browse/MYFACES-2829
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-314
> Affects Versions: 2.0.1
> Reporter: Mark Struberg
>
> Our facelets compiler currently invokes the BeanELResolver with param type
> EMPTY_CLASS_ARRAY (Class[0]).
> This is actually wrong, since 2.2.9 of the JSR-245 EL spec defines:
> http://jcp.org/aboutJava/communityprocess/mrel/jsr245/index.html
> 2.2.9 invoke(ELContext, Object, Object, Class[], Object[])
> paramTypes - An array of Class objects identifying the method's formal
> parameter types, in declared
> order. Use an empty array if the method has no parameters. Can be null, in
> which case the method's
> formal parameter types are assumed to be unknown.
> So for an empty Class[] there is NO method guess available. Suns el-impl
> seems a bit more lenient than other EL implementations though.
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