線程“ main”中的異常com.hp.hpl.jena.query.QueryParseException：在第1行第176列出現詞法錯誤。在“ BIND”之后遇到：“”（32）

Question

我Exception in thread "main" com.hp.hpl.jena.query.QueryParseException: Lexical error at line 1, column 176. Encountered: " " (32), after: "BIND"獲得Exception in thread "main" com.hp.hpl.jena.query.QueryParseException: Lexical error at line 1, column 176. Encountered: " " (32), after: "BIND"使用Jena在查詢下運行時Exception in thread "main" com.hp.hpl.jena.query.QueryParseException: Lexical error at line 1, column 176. Encountered: " " (32), after: "BIND"錯誤Exception in thread "main" com.hp.hpl.jena.query.QueryParseException: Lexical error at line 1, column 176. Encountered: " " (32), after: "BIND" ，

String queryString = "PREFIX  ns:  <http://example.org/ns#>" + 
                "SELECT  ?title ?price" + 
                "  {" + 
                "    ?x ns:price ?p ." + 
                "    ?x ns:discount ?discount ." + 
                "    ?x <http://purl.org/dc/elements/1.1/title> ?title . " + 
                "    BIND ('12'^^xsd:integer AS ?price)" + 
                "    FILTER( ?price < 20 )" + 
                "  }";

以下是我的堆棧跟蹤，

Exception in thread "main" com.hp.hpl.jena.query.QueryParseException: Lexical error at line 1, column 176.  Encountered: " " (32), after : "BIND"
    at com.hp.hpl.jena.sparql.lang.ParserSPARQL10.perform(ParserSPARQL10.java:95)
    at com.hp.hpl.jena.sparql.lang.ParserSPARQL10.parse(ParserSPARQL10.java:39)
    at com.hp.hpl.jena.query.QueryFactory.parse(QueryFactory.java:129)
    at com.hp.hpl.jena.query.QueryFactory.create(QueryFactory.java:72)
    at com.hp.hpl.jena.query.QueryFactory.create(QueryFactory.java:43)
    at com.hp.hpl.jena.query.QueryFactory.create(QueryFactory.java:31)
    at com.hp.hpl.jena.query.QueryExecutionFactory.sparqlService(QueryExecutionFactory.java:342)
    at com.ifour.testdata.AW317.QuerySampleDataSPARQL.main(QuerySampleDataSPARQL.java:28)

任何人都可以在我用谷歌搜索但沒有找到解決方案的問題上幫助我。同一查詢在virtuoso SPARQL端點上運行，給我完美的結果。但是在使用Java Jena SPARQL查詢時出現此錯誤。

Answer 1

正如@AKSW在評論中所建議的，答案是

更新到當前的Jena （可能是當前的Virtuoso服務器[無論是企業版還是開放源代碼 ]， Jena的Virtuoso Provider和/或Virtuoso JDBC驅動程序 ）