Bill Mitchell created SOLR-5521:
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Summary: MoreLikeThis component fails when item id is negative
(begins with hyphen)
Key: SOLR-5521
URL: https://issues.apache.org/jira/browse/SOLR-5521
Project: Solr
Issue Type: Bug
Components: MoreLikeThis
Affects Versions: 4.2.1
Reporter: Bill Mitchell
Priority: Minor
When the compared document's unique id is negative, the MoreLikeThis component
fails to generate a valid query to pass to each shard, as the generated query
does not encapsulate the item's negative id with quotes. In our case, we are
adding documents with a negative id as temporary beans, used just for the MLT
query, which will be deleted later.
You can see this with a rather simple MLT query:
http://lga-sppsolrprod01.pulse.prod/solr/rawContents/select?mlt=true&q=itemId:-1578997856&mlt.fl=text&mlt.count=100
where the returned response shows:
<response><lst name="responseHeader"><int name="status">400</int><int
name="QTime">3</int><lst name="params"><str name="mlt.count">100</str><str
name="mlt.fl">text</str><str name="q">itemId:-1578997856</str><str
name="mlt">true</str></lst></lst><lst name="error"><str
name="msg">org.apache.solr.search.SyntaxError: Cannot parse
'itemId:-1578997856': Encountered " "-" "- "" at line 1, column 7.
Was expecting one of:
<BAREOPER> ...
"(" ...
"*" ...
<QUOTED> ...
<TERM> ...
<PREFIXTERM> ...
<WILDTERM> ...
<REGEXPTERM> ...
"[" ...
"{" ...
<LPARAMS> ...
<NUMBER> ...
</str><int name="code">400</int></lst></response>
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