Questions about JSP programming 2007-01-15 - By Zack Grafton
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Rashmi Rubdi wrote:
> I replied about the same time Zack replied, didn't know he was taking care of
this.
>
> From you recent reply, by compilation do you mean JSPC pre-compilation? Or on
the fly compile?
>
> Because I do get this error with on the fly compile (didn't try JSPC):
> org.apache.jasper.JasperException  : Unable to load class for JSP
> org.apache.jasper.JspCompilationContext (JspCompilationContext.java:598)
>
> java.lang.ClassNotFoundException : org.apache.jsp.p.test2.test2_jsp
> java.net.URLClassLoader $1.run(URLClassLoader.java:200)
>
> -Rashmi
>
> -- -- Original Message ----
> From: Xuekun Hu <xuekun.hu@(protected)>
> To: Tomcat Users List <users@(protected)>
> Sent: Monday, January 15, 2007 2:28:00 AM
> Subject: Re: Questions about JSP programming
>
>
> Hi, Rashmi, thanks for replying.
>
> On 1/15/07, Rashmi Rubdi <dev_subscriptions@(protected)> wrote:
>
>> I recommend SDN's JSP forum : http://forum.java.sun.com/forum.jspa?forumID=45
>>
>> And for JSP Tag Libraries this mailing list : http://jakarta.apache.org
/taglibs/#MailingLists
>>
>>
> Great. Thanks again. :-)
>
>
>> 1) I tested your jsp: include, both files returned the same size when tested
with Firefox's page size extension tool. I got 19KBs in both cases.
>> But if you just look at the size of test.jsp *before* it translates and
processes the request, it's size is 0.1 KB because of the code it contains.
>>
>>
> I fixed it in another reply.
>
>
>> 2) This syntax <%@ include file="request.getParameter("f")" %> , is not
correct. The correct syntax only allows a URL in the file attribute as shown
here:
>> http://java.sun.com/products/jsp/syntax/2.0/syntaxref209.html#1003408 ,
since the include is a directive and not a JSP action.
>>
>>
> Yes, I know it's not very syntax correct. however, there is no error
> in compilation. So I wonder maybe there is a deeper reason that it
> doesn't work.
>
> Thx, Xuekun
>
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>
Rashmi,
I'm curious as to why his second approach causes the memory error that
he gets, would you have any insight as to why it's happening? I've
checked out the docs and they don't indicate anything about the way the
include directive uses memory. I'm thinking we might actually have a
bug to report.
Zack
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