[jboss-jira] [JBoss JIRA] (WFLY-10718) Usage of static fields from java.lang classes as EL expressions in JSPs doesn't work for servlet 4.0

Thu Jul 19 07:15:00 EDT 2018

Jan Stourac created WFLY-10718:
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             Summary: Usage of static fields from java.lang classes as EL expressions in JSPs doesn't work for servlet 4.0
                 Key: WFLY-10718
                 URL: https://issues.jboss.org/browse/WFLY-10718
             Project: WildFly
          Issue Type: Bug
          Components: Web (Undertow)
    Affects Versions: 10.0.0.Final, 10.1.0.CR1
            Reporter: Jan Stourac
            Assignee: James Perkins
             Fix For: 10.1.0.Final, 11.0.0.Alpha1

Java EE7 (which supports EL 3.0 spec) allows JSPs to use EL expressions like:

{code}
<html>
   <body>
      foo: --- ${Boolean.TRUE} ---<br>
      bar: --- ${Integer.MAX_VALUE} ---<br>
   </body>
</html>
{code}

However, the {code}${Boolean.TRUE}{code} and {code}${Integer.MAX_VALUE}{code} in the above example aren't evaluated correctly and instead a blank string is rendered for them. 

More details in the linked forum thread https://developer.jboss.org/thread/271825

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