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From Andi Vajda <va...@osafoundation.org>
Subject Re: LuceneJUnitResultFormatter sometimes fails to lock
Date Tue, 27 Apr 2010 19:06:39 GMT

On Tue, 27 Apr 2010, Shai Erera wrote:

> But that's not a good explanation I think. Realtime protection is always on,
> and I agree w/ Mark - if NativeFSLock fails because of that, we should fix
> that b/c Lucene is run on users' machines, where AV software is running too.
> Moreover, this happens very rarely for me ... I even ran the tests while
> scanning the Temp folder at the same time, and it didn't happen.

I've had similar random failures on Mac OS X 10.6. They started happening 
recently, about two weeks ago.

Andi..

> 
> I'll re-post the next time it happens for me, w/ the full stacktrace.
> 
> Shai
> 
> On Tue, Apr 27, 2010 at 8:43 PM, Uwe Schindler <uwe@thetaphi.de> wrote:
>
>       Realtime protection is mostly the problem.
>
> 
>
>       -----
>
>       Uwe Schindler
>
>       H.-H.-Meier-Allee 63, D-28213 Bremen
>
>       http://www.thetaphi.de
>
>       eMail: uwe@thetaphi.de
>
> 
> 
> From: Shai Erera [mailto:serera@gmail.com]
> Sent: Tuesday, April 27, 2010 7:35 PM
> 
> 
> To: dev@lucene.apache.org
> Subject: Re: LuceneJUnitResultFormatter sometimes fails to lock
>
> 
> 
> I use Windows XP, and have no indexing service nor AV running at the
> same time (except its real time protection). Also, the lock file is
> attempted to obtain on the temp folder, which is usually excluded from
> many services that monitor the file system ...
> 
> I will try to reproduce it again, because I see that I've left out the
> nested exception from the trace above.
> 
> Shai
> 
> On Tue, Apr 27, 2010 at 7:56 PM, Shai Erera <serera@gmail.com> wrote:
> 
> Yes it is Windows. Didn't mention it - thought the C:\ part says it
> all :).
> 
> I wonder then why it only sometimes happens. And I've never run into
> such problems w/ NativeFSLock on Windows, only w/ the tests. But I
> agree it does deserve a closer look ?
> 
> Shai
> 
> 
> On Tuesday, April 27, 2010, Mark Miller <markrmiller@gmail.com> wrote:
> > Ah - didn't look closely. This is while making the lock, not trying
> to acquire it for stdout locking. So that seems like a bug in our
> native lock impl we should try and fix.
> >
> > On 4/27/10 12:27 PM, Uwe Schindler wrote:
> >
> > When aquiring a test lock it does not wait. It just is not able to
> produce the file there. This happens sometimes on windows and has
> nothing to do with the tests, is a problem of NativeLockF.
> >
> > -----
> > Uwe Schindler
> > H.-H.-Meier-Allee 63, D-28213 Bremen
> > http://www.thetaphi.de
> > eMail: uwe@thetaphi.de
> >
> >
> >
> > -----Original Message-----
> > From: Mark Miller [mailto:markrmiller@gmail.com]
> > Sent: Tuesday, April 27, 2010 6:20 PM
> > To: dev@lucene.apache.org
> > Subject: Re: LuceneJUnitResultFormatter sometimes fails to lock
> >
> > We might need a higher timeout. Its like 5 seconds now. Otherwise we
> > should try and isolate the problem.
> >
> > - Mark
> >
> > On 4/27/10 11:52 AM, Uwe Schindler wrote:
> >
> > Windows?
> >
> > -----
> >
> > Uwe Schindler
> >
> > H.-H.-Meier-Allee 63, D-28213 Bremen
> >
> > http://www.thetaphi.de<http://www.thetaphi.de/>
> >
> > eMail: uwe@thetaphi.de
> >
> > *From:* Shai Erera [mailto:serera@gmail.com]
> > *Sent:* Tuesday, April 27, 2010 5:50 PM
> > *To:* dev@lucene.apache.org
> > *Subject:* LuceneJUnitResultFormatter sometimes fails to lock
> >
> > Hi
> >
> > I ran "ant test-core" today and hit this:
> >
> > [junit] Exception in thread "main" java.lang.RuntimeException:
> Failed
> >
> > to
> >
> > acquire random test lock; please verify filesystem for lock
> directory
> > 'C:\DOCUME~1\shaie\LOCALS~1\Temp\lucene_junit_lock' supports locking
> > [junit] at
> >
> >
> >
> org.apache.lucene.store.NativeFSLockFactory.acquireTestLock(NativeFSLoc
> > kFactory.java:88)
> >
> > [junit] at
> >
> >
> >
> org.apache.lucene.store.NativeFSLockFactory.makeLock(NativeFSLockFactor
> > y.java:127)
> >
> > [junit] at
> >
> >
> >
> org.apache.lucene.util.LuceneJUnitResultFormatter.<init>(LuceneJUnitRes
> > ultFormatter.java:74)
> >
> >
> > All the tests still pass, but Ant reports a failure in the end.
> Also,
> > this rarely happens, but I've run into it several times already.
> >
> > Anyone
> >
> > got an idea?
> >
> > Shai
> >
> >
> >
> >
> > --
> > - Mark
> >
> > http://www.lucidimagination.com
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: dev-help@lucene.apache.org
> >
> >
> >
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: dev-help@lucene.apache.org
> >
> >
> >
> >
> > --
> > - Mark
> >
> > http://www.lucidimagination.com
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
> > For additional commands, e-mail: dev-help@lucene.apache.org
> >
> >
>
> 
> 
> 
> 
>

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