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https://issues.apache.org/jira/browse/OAK-5369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15825804#comment-15825804
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Thomas Mueller commented on OAK-5369:
-------------------------------------
I just discussed this issue with Tommaso Teofili. The parse error is from the
Lucene parser, which we can not completely void in all cases, for example {{(}}
with no matching {{)}}. It is not therefore not clear if changes in Oak would
really resolve the issue. The current plan is to not change Oak (not apply the
patch), but instead better document the current grammar and behavior. This
might mean change in the application code might be required.
> Lucene Property Index: Syntax Error, cannot parse
> -------------------------------------------------
>
> Key: OAK-5369
> URL: https://issues.apache.org/jira/browse/OAK-5369
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: lucene
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
> Fix For: 1.4.13, 1.5.18, 1.6
>
>
> The following query throws an exception in Apache Lucene:
> {noformat}
> /jcr:root//*[jcr:contains(., 'hello -- world')]
> 22.12.2016 16:42:54.511 *WARN* [qtp1944702753-3846]
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex query via
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex@1c0006db
> failed.
> java.lang.RuntimeException: INVALID_SYNTAX_CANNOT_PARSE: Syntax Error, cannot
> parse hello -- world:
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex.tokenToQuery(LucenePropertyIndex.java:1450)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex.tokenToQuery(LucenePropertyIndex.java:1418)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex.access$900(LucenePropertyIndex.java:180)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$3.visitTerm(LucenePropertyIndex.java:1353)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$3.visit(LucenePropertyIndex.java:1307)
> at
> org.apache.jackrabbit.oak.query.fulltext.FullTextContains.accept(FullTextContains.java:63)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex.getFullTextQuery(LucenePropertyIndex.java:1303)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex.getLuceneRequest(LucenePropertyIndex.java:791)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex.access$300(LucenePropertyIndex.java:180)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$1.loadDocs(LucenePropertyIndex.java:375)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$1.computeNext(LucenePropertyIndex.java:317)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$1.computeNext(LucenePropertyIndex.java:306)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$LucenePathCursor$1.hasNext(LucenePropertyIndex.java:1571)
> at com.google.common.collect.Iterators$7.computeNext(Iterators.java:645)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> at
> org.apache.jackrabbit.oak.spi.query.Cursors$PathCursor.hasNext(Cursors.java:205)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$LucenePathCursor.hasNext(LucenePropertyIndex.java:1595)
> at
> org.apache.jackrabbit.oak.query.ast.SelectorImpl.next(SelectorImpl.java:420)
> at
> org.apache.jackrabbit.oak.query.QueryImpl$RowIterator.fetchNext(QueryImpl.java:828)
> at
> org.apache.jackrabbit.oak.query.QueryImpl$RowIterator.hasNext(QueryImpl.java:853)
> at
> org.apache.jackrabbit.oak.jcr.query.QueryResultImpl$1.fetch(QueryResultImpl.java:98)
> at
> org.apache.jackrabbit.oak.jcr.query.QueryResultImpl$1.<init>(QueryResultImpl.java:94)
> at
> org.apache.jackrabbit.oak.jcr.query.QueryResultImpl.getRows(QueryResultImpl.java:78)
> Caused by:
> org.apache.lucene.queryparser.flexible.standard.parser.ParseException: Syntax
> Error, cannot parse hello -- world:
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.generateParseException(StandardSyntaxParser.java:1054)
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.jj_consume_token(StandardSyntaxParser.java:936)
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.Clause(StandardSyntaxParser.java:486)
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.ModClause(StandardSyntaxParser.java:303)
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.ConjQuery(StandardSyntaxParser.java:234)
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.DisjQuery(StandardSyntaxParser.java:204)
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.Query(StandardSyntaxParser.java:186)
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.TopLevelQuery(StandardSyntaxParser.java:147)
> at
> org.apache.lucene.queryparser.flexible.standard.parser.StandardSyntaxParser.parse(StandardSyntaxParser.java:65)
> at
> org.apache.lucene.queryparser.flexible.core.QueryParserHelper.parse(QueryParserHelper.java:250)
> at
> org.apache.lucene.queryparser.flexible.standard.StandardQueryParser.parse(StandardQueryParser.java:168)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex.tokenToQuery(LucenePropertyIndex.java:1448)
> ... 63 common frames omitted
> {noformat}
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