Super, thanks for bringing closure!
Mike
On Sun, Mar 29, 2009 at 11:58 AM, Ketan Deshpande
<ketandes...@yahoo.co.in> wrote:
> Hi Mike,
>
> Thanks for the response. I did a code check but this was a random error,
> which indicated towards something to do with the environment. Finally, I did
> figure out the problem - low disk space. Though there was around 1 GB of
> free space on the server, it was not sufficient when we had to merge a large
> number of indexes. Anyway, we have now done the needful and the problem
> hasnt recurred again!
>
> Cheers,
> Ketan
>
> --- On Mon, 2/3/09, Michael McCandless <luc...@mikemccandless.com> wrote:
>
> From: Michael McCandless <luc...@mikemccandless.com>
> Subject: Re: LockObtainFailedException exception
> To: java-dev@lucene.apache.org
> Date: Monday, 2 March, 2009, 10:24 PM
>
>
> Is it possible you accidentally allow two writers to try to open the index?
>
> That would explain this failure; the 2nd writer would fail to acquire the
> lock, because the first writer has the index open.
>
> Or, is it possible you're not closing a previously opened writer?
>
> Mike
>
> Ketan Deshpande wrote:
>
>> Hi,
>>
>> I am fairly new to Lucene, so forgive my elaborate explanation. We were
>> facing frequent issues with Lucene 1.2 (Unreleased write.lock() files). To
>> overcome the same, we have recently upgraded to Lucene 2.3.2 - however, we
>> observed the following LockObtainFailedException exception during our
>> testing -
>>
>> 2009-02-26 15:34:35,525 DEBUG
>> [com.eu.prnewswire.search.document.WDPIndexDocument] Document() called
>> 2009-02-26 15:34:35,529 DEBUG
>> [com.eu.prnewswire.search.document.WDPIndexDocument] adding associated type
>> 2009-02-26 15:34:35,529 DEBUG
>> [com.eu.prnewswire.search.document.WDPIndexDocument] added
>> 2009-02-26 15:34:36,535 ERROR [STDERR]
>> org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out:
>>
>> SimpleFSLock@/jboss/jboss-4.0.5.GA/spool/lucene/search1/index/PRNJ_2009_02/write.lock
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>> org.apache.lucene.store.Lock.obtain(Lock.java:85)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>> org.apache.lucene.index.IndexWriter.init(IndexWriter.java:692)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>> org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:503)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>> com.eu.prnewswire.search.index.LuceneIndex.addDocument(LuceneIndex.java:124)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>>
>> com.eu.prnewswire.search.indexer.prnjindexer.PRNJIndexerEJB.addToLuceneIndex(PRNJIndexerEJB.java:193)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>>
>> com.eu.prnewswire.search.indexer.prnjindexer.PRNJIndexerEJB.indexDocument(PRNJIndexerEJB.java:121)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>> sun.reflect.GeneratedMethodAccessor106.invoke(Unknown Source)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>>
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>> java.lang.reflect.Method.invoke(Method.java:324)
>> 2009-02-26 15:34:36,536 ERROR [STDERR] at
>> org.jboss.invocation.Invocation.performCall(Invocation.java:359)
>>
>> From the stack trace, we can trace back the exception to the following
>> code in the IndexWriter class (while trying to acquire a lock):
>>
>> Lock writeLock = directory.makeLock(IndexWriter.WRITE_LOCK_NAME);
>> if (!writeLock.obtain(writeLockTimeout)) // obtain write lock
>> throw new LockObtainFailedException("Index locked for write: " +
>> writeLock);
>>
>> We have seen this issue only once till now and the files did not index
>> until we deleted the lock file manually. (When I checked for existing
>> issues, Lucene-715 came closest, but it has been resolved in 2.1 version) I
>> am afraid this may crop up sometime again. Any inputs on how to resolve the
>> the error would be appreciated. If any more details are required, I would be
>> happy to share the same.
>>
>> Thanks,
>> Ketan
>>
>> Bollywood news, movie reviews, film trailers and more! Click here.
>
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