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https://issues.apache.org/jira/browse/SOLR-3608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13410184#comment-13410184
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dalius commented on SOLR-3608:
------------------------------
My bad. I told that there are no query converter, but actually there is one...
{code}
public class MultiTermQueryConverter extends SpellingQueryConverter {
private static Joiner space = Joiner.on(' ');
@Override
public Collection<Token> convert(String original) {
if (original == null) { // this can happen with q.alt = and no query
return Collections.emptyList();
}
Collection<Token> convert = super.convert(original);
if(convert.size() > 1){
String joined = space.join(convert);
int min = 100, max = 0;
for(Token t : convert){
min = Math.min(min, t.startOffset());
max = Math.max(max, t.endOffset());
}
convert.add(new Token(joined, min, max));
}
return convert;
}
}
{code}
{code}
<searchComponent class="solr.SpellCheckComponent" name="suggest">
<lst name="spellchecker">
<str name="name">suggest</str>
<str name="classname">org.apache.solr.spelling.suggest.Suggester</str>
<str
name="lookupImpl">org.apache.solr.spelling.suggest.tst.TSTLookup</str>
<!-- Alternatives to lookupImpl:
org.apache.solr.spelling.suggest.fst.FSTLookup [finite state
automaton]
org.apache.solr.spelling.suggest.jaspell.JaspellLookup [default,
jaspell-based]
org.apache.solr.spelling.suggest.tst.TSTLookup [ternary trees]
-->
<str name="field">suggest</str> <!-- the indexed field to derive
suggestions from -->
<float name="threshold">0.00001</float>
<str name="buildOnOptimize">true</str>
<str name="buildOnCommit">false</str>
<!-- <str name="sourceLocation">spellings.txt</str> -->
</lst>
</searchComponent>
{code}
it adds additional token that is a join of all tokens separating with space.
Shouldn't it just ignore the token that can not be replaces instead?
Sorry for that.
> Spellcecker: String index out of range: -1
> ------------------------------------------
>
> Key: SOLR-3608
> URL: https://issues.apache.org/jira/browse/SOLR-3608
> Project: Solr
> Issue Type: Bug
> Components: spellchecker
> Affects Versions: 3.6
> Environment: Ubuntu 11.10 x64
> java version "1.7.0_05"
> Java(TM) SE Runtime Environment (build 1.7.0_05-b05)
> Java HotSpot(TM) 64-Bit Server VM (build 23.1-b03, mixed mode)
> Reporter: dalius
> Priority: Blocker
>
> Spell check component throws StringIndexOutOfBoundsException on multiterm
> search.
> Stack trace:
> {code}
> SEVERE: java.lang.StringIndexOutOfBoundsException: String index out of range:
> -1
> at
> java.lang.AbstractStringBuilder.replace(AbstractStringBuilder.java:789)
> at java.lang.StringBuilder.replace(StringBuilder.java:266)
> at
> org.apache.solr.spelling.SpellCheckCollator.getCollation(SpellCheckCollator.java:128)
> at
> org.apache.solr.spelling.SpellCheckCollator.collate(SpellCheckCollator.java:69)
> at
> org.apache.solr.handler.component.SpellCheckComponent.addCollationsToResponse(SpellCheckComponent.java:179)
> at
> org.apache.solr.handler.component.SpellCheckComponent.process(SpellCheckComponent.java:156)
> at
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:186)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1376)
> ...
> {code}
> I have dug some debug info at org.apache.solr.spelling.SpellCheckCollator:69
> {code}
> String collationQueryStr = getCollation(originalQuery,
> possibility.getCorrections());
> {code}
> originalQuery is "casa saja"
> possibility is "rank=0 casa>cal (-1) saja>sala (-1) casa
> saja>casa de (-1)"
> The replace function fails on 3rd correction "casa saja>casa de (-1)". I hope
> this makes any sense.
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