Just a fact of life with the Lucene query parser. You'll need to escape the +
with a backslash for this to work.
Erik
On Sep 29, 2011, at 12:31 , Shawn Heisey wrote:
> The following query is failing:
>
> ((Google +))
>
> This is ultimately reduced to 'google' by my analysis chain, but the
> following is in my log (3.2.0, but 3.4.0 also fails):
>
> SEVERE: org.apache.solr.common.SolrException:
> org.apache.lucene.queryParser.ParseException: Cannot parse '( (Google +))':
> Encountered " ")" ") "" at line 1, column 12.
>
> If I change it to 'Google+' or 'Goo+gle' it works.
>
> Below is the fieldType definition. The pattern filter is designed to strip
> leading/trailing punctuation characters, but leave any punctuation in the
> middle of a term alone. It does affect the plus sign, by reducing it to a
> term of length zero. The length filter then removes it at the end. In the
> 'Google+' variant, the pattern filter simply strips that character off and
> the query does not fail. Am I seeing a bug here, or problems with my
> fieldType?
>
> <fieldType name="genText" class="solr.TextField" sortMissingLast="true"
> positionIncrementGap="100">
> <analyzer type="index">
> <tokenizer class="solr.WhitespaceTokenizerFactory"/>
> <filter class="solr.PatternReplaceFilterFactory"
> pattern="^(\p{Punct}*)(.*?)(\p{Punct}*)$"
> replacement="$2"
> allowempty="false"
> />
> <filter class="solr.WordDelimiterFilterFactory"
> splitOnCaseChange="1"
> splitOnNumerics="1"
> stemEnglishPossessive="1"
> generateWordParts="1"
> generateNumberParts="1"
> catenateWords="1"
> catenateNumbers="1"
> catenateAll="0"
> preserveOriginal="1"
> />
> <filter class="solr.ICUFoldingFilterFactory"/>
> <filter class="solr.LengthFilterFactory" min="1" max="512"/>
> </analyzer>
> <analyzer type="query">
> <tokenizer class="solr.WhitespaceTokenizerFactory"/>
> <filter class="solr.PatternReplaceFilterFactory"
> pattern="^(\p{Punct}*)(.*?)(\p{Punct}*)$"
> replacement="$2"
> allowempty="false"
> />
> <filter class="solr.WordDelimiterFilterFactory"
> splitOnCaseChange="1"
> splitOnNumerics="1"
> stemEnglishPossessive="1"
> generateWordParts="1"
> generateNumberParts="1"
> catenateWords="0"
> catenateNumbers="0"
> catenateAll="0"
> preserveOriginal="1"
> />
> <filter class="solr.ICUFoldingFilterFactory"/>
> <filter class="solr.LengthFilterFactory" min="1" max="512"/>
> </analyzer>
> </fieldType>
>
