AjaxSolr + Solr + Nutch question

[praful]

I referred  https://github.com/evolvingweb/ajax-solr/wiki/reuters-tutorial  
for Ajax-Solr setup.

I want to know that although ajax-solr is running but it's searching under
only reuters data. If I want to crawl the web using nutch and integrate it
with solr,then i have to replace solr's schema.xml file with nutch's
schema.xml file which will not be according to ajax-solr configuration. By
replacing the schema.xml files, ajax-solr wont work(correct me if I am
wrong)!!!

How would I now integrate Solr with Nutch along with Ajax-Solr so ajax-Solr
can search other data on the web as well??

Thanks
Regards
Praful Bagai

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Solr multiple cores activation

[Praful Bagai]

I am implementing a search engine with Nutch as web crawler and Solr for
searching. Now,since Nutch has no search-user-interface any more, I came to
know about Ajax-Solr as search-user-interface.

I implemented Ajax-Solr with no hindrance, but during its search operation
its only search under reuters data. If I want to crawl the complete web
,other than reuter's data, using nutch and integrate it with solr,then i
have to replace solr's schema.xml file with nutch's schema.xml file which
will not be according to ajax-solr configuration. By replacing the
schema.xml files, ajax-solr *wont* work!!!

So, I found a solution to this (correct me if i am wrong),ie, to activate
multiple cores which means integrating Solr with nutch in one core(ie
indexing) and using Ajax-Solr in other.

I tried activating multiple cores,ie integrating solr with nutch in one
core and ajax-solr in other, but to *NO luck*. I tried every single thing,
every permutation and combination , but failed to set them up.
I followed these links
1) http://wiki.apache.org/solr/CoreAdmin
2)
http://www.plaidpony.com/blog/post/2011/04/Multicore-SOLR-And-Tomcat-On-Windows-Server-2008-R2.aspx


But they also didnt helped either. Can you please tell how to set them up???
Been stuck up with this for over 2 days nows. Kindly help!!!

Are there any other search-user-interface??


Thanks
Regards

Praful Bagai