DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT <http://nagoya.apache.org/bugzilla/show_bug.cgi?id=27174>. ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND INSERTED IN THE BUG DATABASE.
http://nagoya.apache.org/bugzilla/show_bug.cgi?id=27174 NullPointerException calling IndexSearcher.search(). Summary: NullPointerException calling IndexSearcher.search(). Product: Lucene Version: unspecified Platform: Sun OS/Version: Solaris Status: NEW Severity: Blocker Priority: Other Component: Search AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] IndexSearher.search() gets a NullPointerException. The demo SearchFiles.java gets this error, as does my own simple Search test problem (included below). I added a stack trace, which gets... $ java Search Query: foo Searching for: foo caught a class java.lang.NullPointerException with message: null java.lang.NullPointerException at org.apache.lucene.search.IndexSearcher.explain (IndexSearcher.java:196) at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:93) at org.apache.lucene.search.Hits.<init>(Hits.java:80) at org.apache.lucene.search.Searcher.search(Searcher.java:71) at org.apache.lucene.search.Searcher.search(Searcher.java:65) at Search.main(Search.java:35) The source for Search.java... import java.io.*; import java.util.*; import org.apache.lucene.analysis.Analyzer; import org.apache.lucene.analysis.standard.StandardAnalyzer; import org.apache.lucene.document.Document; import org.apache.lucene.search.Searcher; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.Query; import org.apache.lucene.search.Hits; import org.apache.lucene.queryParser.QueryParser; class Search { public static void main(String[] args) { try { Searcher searcher = new IndexSearcher("psr_index"); Analyzer analyzer = new StandardAnalyzer(); BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); while (true) { System.out.print("Query: "); String line = in.readLine(); if (line.length() == -1) break; Date startT = new Date(); Query query = QueryParser.parse (line, "description", analyzer); System.out.println("Searching for: " + query.toString("description")); Hits hits = searcher.search(query); Date endT = new Date(); System.out.print("...found " + hits.length() + " total matching listings; "); System.out.print(endT.getTime() - startT.getTime ()); System.out.println(" milliseconds\n"); final int HITS_PER_PAGE = 10; for (int start = 0; start < hits.length(); start += HITS_PER_PAGE) { int end = Math.min(hits.length(), start + HITS_PER_PAGE); for (int i = start; i < end; i++) { Document doc = hits.doc(i); String title = doc.get("title"); String description = doc.get ("description"); Hits hits = searcher.search(query); Date endT = new Date(); System.out.print("...found " + hits.length() + " total matching listings; "); System.out.print(endT.getTime() - startT.getTime ()); System.out.println(" milliseconds\n"); final int HITS_PER_PAGE = 10; for (int start = 0; start < hits.length(); start += HITS_PER_PAGE) { int end = Math.min(hits.length(), start + HITS_PER_PAGE); for (int i = start; i < end; i++) { Document doc = hits.doc(i); String title = doc.get("title"); String description = doc.get ("description"); System.out.println(i + ". " + title); System.out.println(" - " + description); } Date displayT = new Date(); System.out.print("\n...results displayed in "); System.out.print(displayT.getTime() - endT.getTime()); System.out.println(" milliseconds\n"); if (hits.length() > end) { System.out.print("more (y/n) ? "); line = in.readLine(); if (line.length() == 0 || line.charAt(0) == 'n') break; } System.out.println("\n"); endT = new Date(); } } searcher.close(); } catch (Exception e) { System.out.println(" caught a " + e.getClass() + "\n with message: " + e.getMessage()); e.printStackTrace(); } } } --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
