On Thu, Mar 31, 2011 at 4:58 PM, Mark Thomas <ma...@apache.org> wrote:

> On 31/03/2011 12:12, Robert P. J. Day wrote:
> > On Thu, 31 Mar 2011, Kaushal Shriyan wrote:
> >
> >> Hi,
> >>
> >> As of now I am using tomcat apache 5.5.27 with java version
> >> "1.6.0_24" on Ubuntu Server 10.04. I happened to visit the url ->
> >> http://tomcat.apache.org/whichversion.html Bit confused. Not sure
> >> which version i need to go for my production purpose to avail latest
> >> features and performance improvement.
>
> Latest features -> Tomcat 7
> Best performance -> Latest JDK
>
> There are a few performance tweaks in Tomcat 7 but nothing as
> significant as you'll get from using Java 6 rather than Java 5 (as you
> already are).
>
> >   as a totally new user to tomcat, i'm running ubuntu 10.10 and i just
> > downloaded the tomcat 7.0.11 tarball and dumped it into a personal
> > directory.  seems to start and run fine, although i have no existing
> > webapps that force me to worry about backward compatibility.
>
> The specifications are backwards compatible. If a specification
> compliant application runs on Tomcat 3 it should run on Tomcat 7. If it
> doesn't, that would be a bug.
>
> The catch is "specification compliant". Tomcat has become stricter in
> enforcing the requirements of the specification (usually because of edge
> case bugs if it doesn't) which does mean that an application that runs
> on an older Tomcat version may require some fixes and/or Tomcat
> configuration to disable checks on the latest release.
>
> Mark
>
>
>
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>
Hi,

As per -> http://wiki.apache.org/tomcat/TomcatVersions

Tomcat 7.0.x

Spec versions:

Servlet 3.0, JSP 2.2, EL 2.2
Enhancements:Yes
Process:CTR

Can someone please explain me about EL 2.2, Enhancements and about process
CTR.

Thanks

Kaushal

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