[ https://issues.apache.org/jira/browse/LUCENE-7576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless resolved LUCENE-7576. ---------------------------------------- Resolution: Fixed Fix Version/s: 6.4 master (7.0) Thank you [~TomMortimer]. > RegExp automaton causes NPE on Terms.intersect > ---------------------------------------------- > > Key: LUCENE-7576 > URL: https://issues.apache.org/jira/browse/LUCENE-7576 > Project: Lucene - Core > Issue Type: Bug > Components: core/codecs, core/index > Affects Versions: 6.2.1 > Environment: java version "1.8.0_77" macOS 10.12.1 > Reporter: Tom Mortimer > Assignee: Michael McCandless > Priority: Minor > Fix For: master (7.0), 6.4 > > Attachments: LUCENE-7576.patch > > > Calling org.apache.lucene.index.Terms.intersect(automaton, null) causes an > NPE: > String index_path = <path to index> > String term = <a valid term name> > Directory directory = FSDirectory.open(Paths.get(index_path)); > IndexReader reader = DirectoryReader.open(directory); > Fields fields = MultiFields.getFields(reader); > Terms terms = fields.terms(args[1]); > CompiledAutomaton automaton = new CompiledAutomaton( > new RegExp("do_not_match_anything").toAutomaton()); > TermsEnum te = terms.intersect(automaton, null); > throws: > Exception in thread "main" java.lang.NullPointerException > at > org.apache.lucene.codecs.blocktree.IntersectTermsEnum.<init>(IntersectTermsEnum.java:127) > at > org.apache.lucene.codecs.blocktree.FieldReader.intersect(FieldReader.java:185) > at org.apache.lucene.index.MultiTerms.intersect(MultiTerms.java:85) > ... -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org