Hallo Kapil; thanks for your quick answer: * "An IndexReader can be opened on a directory for which an IndexWriter is opened already, but it cannot be used to delete documents from the index then. " sounded like a match, but I checked that and the IndexWriter is definitely closed.
Regards, Eric Chhabra, Kapil wrote: > > Hi, > Checkout for the following lines in the documentation of IndexReader: > > * "An IndexReader can be opened on a directory for which an IndexWriter > is opened already, but it cannot be used to delete documents from the > index then. " > * "Once a document is deleted it will not appear in TermDocs or > TermPostitions enumerations. Attempts to read its field with the > document(int) method will result in an error. The presence of this > document may still be reflected in the > docFreq(org.apache.lucene.index.Term) statistic, though this will be > corrected eventually as the index is further modified." > > Hope this helps. > > Regards, > kapilChhabra > > > -----Original Message----- > From: flateric [mailto:[EMAIL PROTECTED] > Sent: Monday, November 19, 2007 3:46 AM > To: java-user@lucene.apache.org > Subject: neither IndexWriter nor IndexReader would delete documents > > > Hallo *; > > I went through some examples of the Lucene in Action book to find that > the API has changed and then applied the corrections with the help of > this forum. > One runtime problem however remains. I cannot delete any documents. > I store documents like this: > > IndexWriter iw = new IndexWriter( > new File(Constants.INDEX_FILENAME), new StandardAnalyzer()); > Document document = new Document(); ... > document.add(new Field("doc", doc, Field.Store.YES, Field.Index.NO)); > iw.addDocument(document); iw.optimize(); iw.close(); > > Which works fine. But deleting them like this: > > Directory fsDir = FSDirectory.getDirectory(new File( > Constants.INDEX_FILENAME)); > IndexReader ir = IndexReader.open(fsDir); ir.deleteDocuments(new > Term("uid", uid)); ir.close(); > > Has absolutely no effect. I also tried delete on the IndexWriter - no > effect. > Please help! I don't know where to investigate any further! > > Thx Eric > -- > View this message in context: > http://www.nabble.com/neither-IndexWriter-nor-IndexReader-would-delete-d > ocuments-tf4832123.html#a13824599 > Sent from the Lucene - Java Users mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/neither-IndexWriter-nor-IndexReader-would-delete-documents-tf4832123.html#a13833730 Sent from the Lucene - Java Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
