Thanks for this helpful information.

Solr is embeddable but does that not just mean that SolrJ only provides the 
ability to call Solr running on some server? As far as I know embedding Solr is 
not really embedding it at all, only using it remotely where a internet 
connection needs to be maintained in order to do so. If Solr were truly 
embeddable how large of a memory footprint would that add to my app?

For some of my use cases using Solr on a remote server would work fine. For 
other cases it will not be quick enough, plus I want the user and other tool 
aspects of the local client to be able to utilize Lucene search for a lot more 
than only accessing resources on a remote server.

Sorry to hear there is no out of the box support for JSON input/output in 
Lucene but that can be overcome with a bit of local code.

VL


On 2010-05-30, at 12:46 PM, Yonik Seeley wrote:

> On Sun, May 30, 2010 at 1:33 PM, Visual Logic <visual.lo...@gmail.com> wrote:
>> JSON is the format used for all the configuration and property files in the 
>> RIA application we are developing. Is Lucene able to create a document from 
>> a given JSON file and index it? Is Lucene able to provide a JSON output 
>> response from a query made to an index? Does the Tika package provide this?
> 
> No, and no.
> XML, JSON, etc, are out of scope for lucene, which is a core search library.
> Tika extracts text from documents like Word and PDF.
> 
>> Local indexing and searching is needed on the local client so Solr is not a 
>> solution even though it does provide a search response in JSON format.
> 
> Solr is embeddable as well, so you can directly index/search.  But why
> can't you run a separate server?
> 
> -Yonik
> http://www.lucidimagination.com
> 
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