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From Nestor Urquiza <nestor.urqu...@gmail.com>
Subject Re: Tomcat 7 jasper-el fails to parse boolean EL statement
Date Tue, 04 Oct 2011 10:02:58 GMT
Thank you very much!
-Nestor



On Oct 4, 2011, at 12:17 AM, Konstantin Kolinko <knst.kolinko@gmail.com> wrote:

> 2011/10/4 Nestor Urquiza <nestor.urquiza@gmail.com>:
>>
>> Downloading latest jasper-el
>> http://repo1.maven.org/maven2/org/apache/tomcat/jasper-el/6.0.33/jasper-el-6.0.33.jar
>> (from August 2011 which I consider latest - please correct me if I am
>> wrong) or even copying the jar from a previous tomcat installation
>> allows ${owner.new} to work. The version of jasper-el shipped with
>> tomcat 7.0.22 does not. Is that a bug in jasper-el-6.0.33.jar?
>
> You should download ASF software from download pages on *.apache.org sites. :)
>
> That jar is just some random piece of Tomcat 6.0.33.  You cannot
> download it and drop into any other Tomcat version.
>
> It is useful if you need to compile your own code that uses those
> internal APIs of Tomcat, but you should not use it at runtime at a
> proper Tomcat instance.
>
> If you look into META-INF/MANIFEST.MF file inside the jar you should see that
> Specification-Title: Apache Tomcat
> Specification-Version: 6.0
> etc.
>
>> Furthermore, the alternative ${owner.isNew()} which does work in
>> Tomcat 7.0.22 default jasper-el fails when I use jasper-el-6.0.33.jar.
>
> ${owner['new']} is accessing property "new" of object "owner".
>
> That is exactly the same that you tried with ${owner.new}.
>
> The ${owner.isNew()} expression is a different beast - it is a method call,
>
> and method calls support is introduced in JSP 2.2/Expression Language
> 2.2.  You will have to use Tomcat 7.0.
>
>> I forgot to thanks Mark for the flag.
>>
>> Thank you for taking your time and reading.
>>
>
> Best regards,
> Konstantin Kolinko
>
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