: Date: Mon, 18 Jul 2005 10:12:39 +0530
: From: Harini Raghavan <[EMAIL PROTECTED]>
: Reply-To: java-user@lucene.apache.org
: To: [EMAIL PROTECTED]
: Cc: java-user@lucene.apache.org
: Subject: Re: Index locked exception while updating index
:
: Hi Otis,
:
: I tried to print the stack but there was no exception. I think I found
the
: cause for the exception. The addDocument was being called by different
: threads simultaneously and so when a second thread was trying to access
the
: index, it was already locked. So I made the method addDocument
synchronized
: and that fixed the problem.
:
: Thanks for your quick response,
: Harini
:
:
: ----- Original Message -----
: From: "Otis Gospodnetic" <[EMAIL PROTECTED]>
: To: <java-user@lucene.apache.org>
: Sent: Monday, July 18, 2005 10:03 AM
: Subject: Re: Index locked exception while updating index
:
:
: > Harini,
: >
: > You are catching IOException in the finally block, but you are not
even
: > printing out the exception stack trace. Perhaps you are not able to
: > close your IndexWriter for some reason.
: >
: > Otis
: >
: >
: > --- Harini Raghavan <[EMAIL PROTECTED]> wrote:
: >
: >> Hi All,
: >> I am quite new to Lucene and I have problem with locking. I have a
: >> MessageDrivenBean that sends messages to my Lucene indexer whenever
: >> there is
: >> a new database update. The indexer updates the index incrementally
.
: >> Below
: >> is the code fragment in the indexer method that gets invoked by the
: >> MDB
: >> listener.
: >>
: >> public void addDocument(Document doc) {
: >> String indexLoc = luceneConfig.getIndexDir();
: >> IndexWriter writer = getIndexWriter(indexLoc, false);
: >> try{
: >> writer.addDocument(doc);
: >> } catch(IOException e) {
: >> logger.error("IOException occurred in addDocument()");
: >> } catch(Exception e) {
: >> logger.error("Exception occurred in addDocument()");
: >> } finally {
: >> try {
: >> writer.close();
: >> } catch(IOException e){
: >> }
: >> }
: >>
: >> The incremental update works fine twice and the third time it throws
: >> the
: >> following exception :
: >>
: >> java.io.IOException: Index locked for write:
: >> [EMAIL PROTECTED]:\tmpIndex\write.lock
: >> at org.apache.lucene.index.IndexWriter.<init>(Unknown Source)
: >> at org.apache.lucene.index.IndexWriter.<init>(Unknown Source)
: >> at lucene.LuceneActions.getIndexWriter(LuceneActions.java:151)
: >> at lucene.LuceneActions.addDocument(LuceneActions.java:43)
: >> at index.IndexServiceImpl.addData(IndexServiceImpl.java:63)
: >> at index.IndexServiceImpl.addToIndex(IndexServiceImpl.java:28)
: >>
: >> The Index Writer is created every time and also closed in the
finally
: >> block.
: >> Should I be doing something else?
: >> Any help would be appreciated.
: >> Thanks,
: >> Harini
: >>
: >>
:
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: >>
: >
: >
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:
:
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:
-Hoss
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