Hi,

Gian Maria Ricci - aka Alkampfer wrote:
Hi to everyone, I've a solr3.6 server up and running, now I wish to install 
solr4 on the same machine and if possible in side-by-side configuration. 
(tomcat on Windows) Is it possible and is there some documentation on how to do 
this? Thanks a lot. Gian Maria.

Just deploy Solr4 in the running tomcat and configure another context.
You can copy the whole Solr3.6 config over, but have to do some tweaking, obviously.

Catalina.out will guide you the way ;)

Also it is not recommended to use the "old" index from 3.6 but do a fresh reindexing of your docs.

Greetings
Daniel Exner

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