upgrading tomcat when installed via apt-get

[S Ahmed <sa...@gmail.com>]

If I need to upgrade an existing live application that is running off a
tomcat install that was installed via apt-get (ubuntu), how would I go
about updating tomcat?

I would have to understand exactly how tomcat is installed correct?  i.e.
things like xml conf files, symbolic links to paths that may have been
created, startup/stop scripts that might need to point somewhere else etc.


Am I making this too complicated or is this how others update to a newer
version of tomcat?

Re: upgrading tomcat when installed via apt-get

[S Ahmed <sa...@gmail.com>]

But before do that, you would have to know if the tomcat config file has
changed format wise correct?

e.g. if the server.xml file was updated  (I'm sure it is rare but still)

Can you please outline exactly what you do to upgrade tomcat?

thanks much appreciated!

On Fri, Jan 27, 2012 at 4:55 PM, Mark Thomas <ma...@apache.org> wrote:

> On 27/01/2012 21:41, S Ahmed wrote:
> > If I need to upgrade an existing live application that is running off a
> > tomcat install that was installed via apt-get (ubuntu), how would I go
> > about updating tomcat?
>
> Don't know. That would be a question for an Ubuntu support forum.
>
> > I would have to understand exactly how tomcat is installed correct?  i.e.
> > things like xml conf files, symbolic links to paths that may have been
> > created, startup/stop scripts that might need to point somewhere else
> etc.
> >
> > Am I making this too complicated or is this how others update to a newer
> > version of tomcat?
>
> It depends. It isn't how I do it. I use separate CATALINA_HOME and
> CATALINA_BASE. Upgrades and downgrades are then trivial. For example,
> upgrading the ASF's Jira instances takes less than 2 minutes and most of
> that time is waiting for Jira to shutdown and startup.
>
> Mark
>
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Re: upgrading tomcat when installed via apt-get

[Mark Thomas <ma...@apache.org>]

On 27/01/2012 21:41, S Ahmed wrote:
> If I need to upgrade an existing live application that is running off a
> tomcat install that was installed via apt-get (ubuntu), how would I go
> about updating tomcat?

Don't know. That would be a question for an Ubuntu support forum.

> I would have to understand exactly how tomcat is installed correct?  i.e.
> things like xml conf files, symbolic links to paths that may have been
> created, startup/stop scripts that might need to point somewhere else etc.
> 
> Am I making this too complicated or is this how others update to a newer
> version of tomcat?

It depends. It isn't how I do it. I use separate CATALINA_HOME and
CATALINA_BASE. Upgrades and downgrades are then trivial. For example,
upgrading the ASF's Jira instances takes less than 2 minutes and most of
that time is waiting for Jira to shutdown and startup.

Mark

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