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Posted to users@tomcat.apache.org by Matt Jibson <do...@gmail.com> on 2006/08/14 18:14:31 UTC
JSP declarations persisting over page loads
Using Tomcat 5.5.17 and a HTML <body> of:
<%! boolean processed = false; %>
<br/><%=processed%>
<% processed = !processed; %>
<br/><%=processed%>
subsequent page loads will toggle the output. The first load is false,
true. Second true, false. Etc. This is reproducable in 5.0.28. Is this
expected behavior?
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RE: JSP declarations persisting over page loads
Posted by Tim Lucia <ti...@yahoo.com>.
> -----Original Message-----
> From: Matt Jibson [mailto:dolmant@gmail.com]
> Sent: Monday, August 14, 2006 12:15 PM
> To: users@tomcat.apache.org
> Subject: JSP declarations persisting over page loads
>
> Using Tomcat 5.5.17 and a HTML <body> of:
>
> <%! boolean processed = false; %>
> <br/><%=processed%>
> <% processed = !processed; %>
> <br/><%=processed%>
>
> subsequent page loads will toggle the output. The first load is false,
> true. Second true, false. Etc. This is reproducable in 5.0.28. Is this
> expected behavior?
Yes. <%! ... %> creates page-wide definitions, which if you look at the
compiled .jsp (the .java file) you will notice it becomes a class variable.
If you use <% ... %> it is a local reference which gets initialized on every
request.
Google for jsp quick reference and you will find out more.
Tim
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