By the way, Patrick,did you have a problem that IndexSearcher.search(Query 
query) cann't get the all matched hits.it only return a part of matched hits.
my test code is:
        String key = "title:good";
        Directory directory = FSDirectory.getDirectory("d:\\index\\");
        IndexSearcher searcher = new IndexSearcher(directory);
        QueryParser queryParser = new QueryParser("",analyzer);
        Query query = queryParser.parse(key);
        hits = searcher.search(query,sort);
there are two documents indexed which "title" value is "good",but when I 
searched by key"title:good",it returned only one documents.is it a bug?

kai

>Hi Kai
>We keep a synchronized map of LuceneIndexAccessor instances, one instance per
>The map is keyed on the directory path.  We then re-use
>the accessor rather than creating a new one each time.
>
>Patrick
On 06/08/07, Kai Hu <[EMAIL PROTECTED]> wrote:
> Thanks , Patrick,
>
> It is useful. But I found a problem that I use
>
> "new LuceneIndexAccessor(accessProvider);" when a request comes in B/S,the 
> LuceneIndexAccessor.getWriter() will lose its sense,it will new an 
> IndexWriter.
>
> public IndexWriter getWriter() throws IOException {
>
>        IndexWriter result;
>
>        synchronized (this) {//here "synchronized" will lose its sense
>
>            checkClosed();
>
>            ...
>
>        if (cachedWriter != null) {
>
>               log.debug("returning cached writer");
>
>               result = cachedWriter;
>
>               writerUseCount++;
>
>            } else {
>
>               log.debug("opening new writer and caching it");
>
>               result = accessProvider.getWriter();// when new a 
> LuceneIndexAccessor Object ,it will new an IndexWriter Object
>
>               cachedWriter = result;
>
>               writerUseCount = 1;
>
>            }
>
>     }
>
> }
>
> It will also throw a Exception "cann't obtain the Lock",should I use a single 
> instance of LuceneIndexAccessor? Suppose I use a single instance of 
> LuceneIndexAccessor,how to set a different Directory or Analyzer at one time.
>
>
>
> kai
>
>
> ///////////////////////////////////////////////////////////
>
> ///////////////////////////////////////////////////////////
>
>
>
> >Hi Kai
>
> >
>
> >We use the Lucene Index Accessor contribution:
>
> >
>
> >http://www.nabble.com/Fwd%3A-Contribution%3A-LuceneIndexAccessor-t17416.html#a47049
>
> >
>
> >Patrick
>
>
>
> On 06/08/07, Kai Hu <[EMAIL PROTECTED]> wrote:
>
> > Hi,
>
> >
>
> >          How do you solve the problems when add,update,delete documents
>
> > in muti-threads,use synchronized ?
>
> >
>
> >
>
>
>
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>
>

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