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Andy Seaborne commented on JENA-2019: ------------------------------------- Thanks for testing (before a release!!). > Rule$ParserException in Jena rules when string literal equals to open > parenthesis > --------------------------------------------------------------------------------- > > Key: JENA-2019 > URL: https://issues.apache.org/jira/browse/JENA-2019 > Project: Apache Jena > Issue Type: Bug > Components: Jena > Affects Versions: Jena 3.16.0, Jena 3.17.0 > Environment: _> java -version_ > openjdk version "1.8.0_232" > OpenJDK Runtime Environment (build 1.8.0_232-BellSoft-b10) > OpenJDK 64-Bit Server VM (build 25.232-b10, mixed mode) > Windows 8.1 > Reporter: rdfman > Assignee: Andy Seaborne > Priority: Major > Original Estimate: 3h > Time Spent: 40m > Remaining Estimate: 2h 20m > > I have some [Jena > rules|https://jena.apache.org/documentation/inference/#RULEsyntax] and I > {color:#172b4d}need {color}to test a string literal in them: > {code:java} > @prefix my: <http://test/expressions#> . > # Rule including string "(" > [(?a my:text "(") -> ] # fails for '(' is single quotes too > {code} > And a call to > {code:java} > List<Rule> rules = Rule.rulesFromURL(my_rules_path) > {code} > throws: > {noformat} > Exception in thread "main" > org.apache.jena.reasoner.rulesys.Rule$ParserException: Expected ')' at end of > clause, found ] > At '[ ( ?a my:text " ( " ) -> ] ' > at > org.apache.jena.reasoner.rulesys.Rule$Parser.parseNodeList(Rule.java:987) > at > org.apache.jena.reasoner.rulesys.Rule$Parser.parseNode(Rule.java:906) > at > org.apache.jena.reasoner.rulesys.Rule$Parser.parseNodeList(Rule.java:983) > at > org.apache.jena.reasoner.rulesys.Rule$Parser.parseClause(Rule.java:998) > at > org.apache.jena.reasoner.rulesys.Rule$Parser.doParseRule(Rule.java:1057) > at > org.apache.jena.reasoner.rulesys.Rule$Parser.parseRule(Rule.java:1030) > at org.apache.jena.reasoner.rulesys.Rule.parseRules(Rule.java:666) > at org.apache.jena.reasoner.rulesys.Rule.rulesFromURL(Rule.java:515) > at org.apache.jena.reasoner.rulesys.Rule.rulesFromURL(Rule.java:526) > at ru.vstu.Main.runReasoning(Main.java:64){noformat} > This crash happens if the string is exactly equal to *"("* (the use of double > quotes or single quotes does not matter). Escaping also with backslash *"\ > ("* does not help. > Changing the original string from *"("* to *"()"* , *"(("* , *"-("* or *")"* > eliminates the exception (but this is not what i want). -- This message was sent by Atlassian Jira (v8.3.4#803005)