[jboss-jira] [JBoss JIRA] (WFLY-6263) Apostrophe in an attribute with multiple EL parts breaks function lookup

[Paul Pogonyshev (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-6263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Pogonyshev updated WFLY-6263:
----------------------------------
    Attachment: jastow.diff


Tangentially related: improve Jastow to not (completely) swallow error message. Before the patch:

... contains invalid expression(s)

After the patch:

... contains invalid expression(s): javax.el.ELException: Function 'fn:length' not found



> Apostrophe in an attribute with multiple EL parts breaks function lookup
> ------------------------------------------------------------------------
>
>                 Key: WFLY-6263
>                 URL: https://issues.jboss.org/browse/WFLY-6263
>             Project: WildFly
>          Issue Type: Bug
>    Affects Versions: 10.0.0.Final
>            Reporter: Paul Pogonyshev
>            Assignee: Jason Greene
>            Priority: Critical
>         Attachments: jastow-bug.war.zip, jastow.diff
>
>
> Certain EL pieces result in unexplained org.apache.jasper.JasperException "contains invalid expression(s)" (the exception _does not_ explain what is invalid). After lots of tries, I have narrowed it down: 1) there must be several EL pieces in one string; 2) there must be an apostrophe in between.
> This looks very similar to bug WFLY-4455. It breaks several pages in our application, blocking upgrade to WildFly 10.
> Example is attached.



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