Mike, thanks for your feedback.
I verified this in the debug mode, so I just check the folder I closed in
the last loop. Actually, both two folders are locked.
tried with new FSDirectory every loop, no help.
Garry
2011/1/12 Michael McCandless <luc...@mikemccandless.com>
> When you break out of the loop (user enters 'Q') you don't close the
> current searcher. Could that be it?
>
> Also you are calling FSDir.open each time but should only do it once
> (though this should be "harmless").
>
> Mike
>
> On Wed, Jan 12, 2011 at 5:39 AM, 张志田 <zhitian.zh...@dianping.com> wrote:
> > Dear Luceners,
> >
> > I'm using lucene-3.0.2 in our app. There is some testing code for
> switching
> > index, however, when my code run a couple of times, I found the index
> file
> > was locked, I can not delete the old index files.
> >
> >
> > The code looks like:
> >
> > public class SearchTest
> > {
> >
> > private static final int MAX_RESULT = 10000;
> >
> > private String indexPath1 = "D:\\index\\index1";
> > private String indexPath2 = "D:\\index\\index2";
> >
> > private String indexPath = indexPath1;
> >
> > private Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_30);
> >
> > private Directory dir = null;
> >
> > private IndexSearcher searcher;
> >
> > public void search()
> > {
> > while(true)
> > {
> > try
> > {
> > String keyword = "test";
> > String fieldName = "searchfield";
> >
> > if(dir == null)
> > {
> > dir = FSDirectory.open(new File(indexPath));
> > }
> > searcher = new IndexSearcher(dir);
> >
> > QueryParser queryParse = new
> QueryParser(Version.LUCENE_30,
> > fieldName, analyzer);
> > Query query = queryParse.parse(keyword);
> >
> > TopDocs hits = searcher.search(query, MAX_RESULT);
> > int size = 5;
> > if(hits.scoreDocs.length < size)
> > {
> > size = hits.scoreDocs.length;
> > }
> > for (int i = 0; i < size; i++)
> > {
> > Document doc = searcher.doc(hits.scoreDocs[i].doc);
> > String text = doc.get(fieldName);
> > System.out.println("fieldContent is: " + text);
> > }
> >
> > IndexSearcher oldSearcher = searcher;
> > dir = FSDirectory.open(new File(getIndexPath()));
> > IndexSearcher newSearcher = new IndexSearcher(dir);
> > searcher = newSearcher;
> >
> > oldSearcher.close();
> > System.out.println("Closed Searcher: " +
> > oldSearcher.getIndexReader().directory().toString());
> >
> > System.out.println("input 'Q' to quit testing...");
> > BufferedReader br = new BufferedReader(new
> > InputStreamReader(System.in));
> >
> > if(br.readLine().trim().equals("Q"))
> > {
> > break;
> > }
> > }
> > catch (CorruptIndexException e)
> > {
> > e.printStackTrace();
> > }
> > catch (IOException e)
> > {
> > e.printStackTrace();
> > }
> > catch (ParseException e)
> > {
> > e.printStackTrace();
> > }
> > }
> > }
> >
> > private String getIndexPath()
> > {
> > if(indexPath.equals(indexPath1))
> > {
> > indexPath = indexPath2;
> > }
> > else
> > {
> > indexPath = indexPath1;
> > }
> >
> > return indexPath;
> > }
> >
> > public static void main(String[] args)
> > {
> > SearchTest searchTest = new SearchTest();
> > searchTest.search();
> > }
> >
> > }
> >
> > Can anybody take a look at the above code snippet?
> >
> > I want to search on the different index file every time so I created two
> > different folders and switch them time to time. The index files in the
> > index1/index2 maybe replaced before the search request comes.
> >
> > The problem I found is after I ran the above code 2 or more loops, I can
> not
> > modify/delete the cfs/cfx file in the file system(Windows 2003), although
> I
> > closed the searcher every time in the code. It seems that the index file
> is
> > not released.
> >
> > Is the problem caused by the shared reference of searcher? or some shared
> > thread in the lucene?
> >
> > Thanks in advance!
> > Garry
> >
>
--
张志田
大众点评网 - 技术部
电话：52521070 - 1675
