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Mark,

On 5/28/14, 8:12 AM, Mark Thomas wrote:
> On 28/05/2014 13:06, David kerber wrote:
>> Right now I'm running TC 7.0.22 on Windows Server 2008 R2, as
>> windows services.  Not using APR.
>> 
>> To upgrade to the latest version, I should be able to just stop
>> the services and unzip the latest .zip version on top of the
>> existing Tomcat installation, right?
> 
> Wrong.
> 
> At least one JAR (ecj*.jar, the Eclipse compiler) has changed names
> so you'll have multiple versions of that JAR. You'll need to remove
> the old versions.
> 
> You are also likely to clobber any customisations you have in
> server.xml or any of the other files in conf.
> 
> You can do it this way but you need to be really careful.

+1

I always favor the use of CATALNA_HOME + CATALINA_BASE. This allows
you to unzip a new Tomcat into a new CATALINA_HOME (e.g.
/usr/local/tomcat/7.0.54), stopping the old JVM, changing the
CATALINA_HOME environment variable to point to the new Tomcat, and
re-launching.

If things go badly, just change your CATALINA_HOME back to the old
value and re-restart. Everything should be back the way it was and you
can inspect *both* configurations to see what might be the problem.

- -chris
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