Shalin Shekhar Mangar commented on SOLR-4414:

[~elyograg] - That was a mistake. The commit mentioned here actually belonged 
to SOLR-4415. I fixed the issue number in the change log but I forgot to put a 
comment here.
> MoreLikeThis on a shard finds no interesting terms if the document queried is 
> not in that shard
> -----------------------------------------------------------------------------------------------
>                 Key: SOLR-4414
>                 URL: https://issues.apache.org/jira/browse/SOLR-4414
>             Project: Solr
>          Issue Type: Bug
>          Components: MoreLikeThis, SolrCloud
>    Affects Versions: 4.1
>            Reporter: Colin Bartolome
> Running a MoreLikeThis query in a cloud works only when the document being 
> queried exists in whatever shard serves the request. If the document is not 
> present in the shard, no "interesting terms" are found and, consequently, no 
> matches are found.
> h5. Steps to reproduce
> * Edit example/solr/collection1/conf/solrconfig.xml and add this line, with 
> the rest of the request handlers:
> {code:xml}
> <requestHandler name="/mlt" class="solr.MoreLikeThisHandler" />
> {code}
> * Follow the [simplest SolrCloud 
> example|http://wiki.apache.org/solr/SolrCloud#Example_A:_Simple_two_shard_cluster]
>  to get two shards running.
> * Hit this URL: 
> [http://localhost:8983/solr/collection1/mlt?mlt.fl=includes&q=id:3007WFP&mlt.match.include=false&mlt.interestingTerms=list&mlt.mindf=1&mlt.mintf=1]
> * Compare that output to that of this URL: 
> [http://localhost:7574/solr/collection1/mlt?mlt.fl=includes&q=id:3007WFP&mlt.match.include=false&mlt.interestingTerms=list&mlt.mindf=1&mlt.mintf=1]
> The former URL will return a result and list some interesting terms. The 
> latter URL will return no results and list no interesting terms. It will also 
> show this odd XML element:
> {code:xml}
> <null name="response"/>
> {code}

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