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SOLR-8175: fix AIOOBE w/WordBreakSolrSpellChecker 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1717492 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
James Dyer 2015-12-01 18:29:23 +00:00
parent ce0363c0ad
commit dac0b56589
3 changed files with 23 additions and 4 deletions
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6
solr/CHANGES.txt
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@ -188,6 +188,12 @@ New Features
* SOLR-7928: Improve CheckIndex to work against HdfsDirectory
(Mike Drob, Gregory Chanan)
Bug Fixes
----------------------
* SOLR-8175: Word Break Spellchecker would throw AIOOBE with certain queries containing
"should" clauses. (Ryan Josal via James Dyer)
Other Changes
----------------------

10
solr/core/src/java/org/apache/solr/spelling/WordBreakSolrSpellChecker.java
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@ -199,8 +199,8 @@ public class WordBreakSolrSpellChecker extends SolrSpellChecker {
StringBuilder sb = new StringBuilder();
Token[] tokenArr = options.tokens.toArray(new Token[options.tokens.size()]);
List<Token> tokenArrWithSeparators = new ArrayList<>(options.tokens.size() + 2);
List<Term> termArr = new ArrayList<>(options.tokens.size() + 2);
List<ResultEntry> breakSuggestionList = new ArrayList<>();
List<ResultEntry> noBreakSuggestionList = new ArrayList<>();
boolean lastOneProhibited = false;
@ -219,6 +219,7 @@ public class WordBreakSolrSpellChecker extends SolrSpellChecker {
if (i > 0
&& (prohibited != lastOneProhibited || required != lastOneRequired || lastOneprocedesNewBooleanOp)) {
termArr.add(WordBreakSpellChecker.SEPARATOR_TERM);
tokenArrWithSeparators.add(null);
}
lastOneProhibited = prohibited;
lastOneRequired = required;
@ -226,6 +227,7 @@ public class WordBreakSolrSpellChecker extends SolrSpellChecker {
Term thisTerm = new Term(field, tokenArr[i].toString());
termArr.add(thisTerm);
tokenArrWithSeparators.add(tokenArr[i]);
if (breakWords) {
SuggestWord[][] breakSuggestions = wbsp.suggestWordBreaks(thisTerm,
numSuggestions, ir, options.suggestMode, sortMethod);
@ -269,10 +271,10 @@ public class WordBreakSolrSpellChecker extends SolrSpellChecker {
if (i > firstTermIndex) {
sb.append(" ");
}
sb.append(tokenArr[i].toString());
sb.append(tokenArrWithSeparators.get(i).toString());
}
Token token = new Token(sb.toString(), tokenArr[firstTermIndex]
.startOffset(), tokenArr[lastTermIndex].endOffset());
Token token = new Token(sb.toString(), tokenArrWithSeparators.get(firstTermIndex)
.startOffset(), tokenArrWithSeparators.get(lastTermIndex).endOffset());
combineSuggestionList.add(new ResultEntry(token, cs.suggestion.string,
cs.suggestion.freq));
}

11
solr/core/src/test/org/apache/solr/spelling/WordBreakSolrSpellCheckerTest.java
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@ -70,6 +70,17 @@ public class WordBreakSolrSpellCheckerTest extends SolrTestCaseJ4 {
RefCounted<SolrIndexSearcher> searcher = core.getSearcher();
QueryConverter qc = new SpellingQueryConverter();
qc.setAnalyzer(new MockAnalyzer(random()));
{
//Prior to SOLR-8175, the required term would cause an AIOOBE.
Collection<Token> tokens = qc.convert("+pine apple good ness");
SpellingOptions spellOpts = new SpellingOptions(tokens, searcher.get().getIndexReader(), 10);
SpellingResult result = checker.getSuggestions(spellOpts);
searcher.decref();
assertTrue(result != null && result.getSuggestions() != null);
assertTrue(result.getSuggestions().size()==5);
}
Collection<Token> tokens = qc.convert("paintable pine apple good ness");
SpellingOptions spellOpts = new SpellingOptions(tokens, searcher.get().getIndexReader(), 10);
SpellingResult result = checker.getSuggestions(spellOpts);