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https://issues.apache.org/jira/browse/MYFACES-3464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13437885#comment-13437885
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Ertio Lew commented on MYFACES-3464:
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Ok I guess the Juel implementation is being used in my case but when I passed
bad/just any random string to context param
org.apache.myfaces.EXPRESSION_FACTORY,
<context-param>
<param-name>org.apache.myfaces.EXPRESSION_FACTORY</param-name>
<param-value>HahaFunnyString</param-value>
</context-param>
In this case it just used the default sun's EL impl. instead of throwing an
error so that user should rectify.
> Using Myfaces 2.1.6 does not allow to using a user provided EL (e.g.
> jBoss-el) other than what is provided by container when used with Webesphere
> 7 .
> -----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MYFACES-3464
> URL: https://issues.apache.org/jira/browse/MYFACES-3464
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 2.1.6
> Environment: Websphere 7.0.0.17
> JSF 2
> Reporter: Shahzeb Khan
> Assignee: Leonardo Uribe
>
> There seems to be no way to use an EL other than what is provided by
> Websphere (have not checked with any other server).
> We are using JSF 2 via isolated shared library with Websphere version
> 7.0.0.17. Trying to use jBoss-el by adding it to the isolated shared
> libraries or to lib directory and setting
> <context-param>
> <param-name>org.apache.myfaces.EXPRESSION_FACTORY</param-name>
> <param-value>org.jboss.el.ExpressionFactoryImpl</param-value>
> </context-param>
> in web.xml does not make myfaces pickup the supplied EL.
> In the logs this line is written [13/02/12 15:19:06:113 EST] 00000029
> ExternalSpeci I MyFaces Unified EL support disabled.
> tracked it down to this method
> org.apache.myfaces.util.ExternalSpecifications#isUnifiedELAvailable() . The
> try block throws a error as can not find class ( and method but exception is
> thrown at the first check i.e class) and catch block sets the return value to
> false. This stopping it to use an externally supplied EL .
> I have also asked this question on SO
> http://stackoverflow.com/questions/9091354/how-can-i-update-websphere-7-to-use-el2-2
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