Re: [Oscar3-chem-developers] 'OutOfMemoryError'

[Dmitry K. <dmi...@gm...>]

Hi,

What is your -Xmx JVM setting? If below 1024m, then I would suggest to
increase it. OSCAR is hunger for memory.

On 07.09.2012 17:33, Vance - wrote:
> Using: OSCAR 4, Windows Server 2003 R2
> 
> I've been getting an 'OutOfMemoryError' message lately, here's part of a
> sample stack trace:
> 
> Sep 7, 2012 9:02:16 AM org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet ProfilePortalAlertController threw
> exception
> java.lang.OutOfMemoryError: Java heap space
> at
> uk.ac.cam.ch.wwmm.oscarrecogniser.tokenanalysis.NGramBuilder.calcLP4(NGramBuilder.java:469)
> at
> uk.ac.cam.ch.wwmm.oscarrecogniser.tokenanalysis.NGramBuilder.train(NGramBuilder.java:117)
> at
> uk.ac.cam.ch.wwmm.oscarrecogniser.tokenanalysis.NGramBuilder.buildOrDeserialiseModel(NGramBuilder.java:725)
> at
> uk.ac.cam.ch.wwmm.oscarMEMM.models.ChemPapersModel.<init>(ChemPapersModel.java:33)
> at uk.ac.cam.ch.wwmm.oscar.Oscar.getMemmModel(Oscar.java:185)
> at uk.ac.cam.ch.wwmm.oscar.Oscar.getRecogniser(Oscar.java:127)
> at uk.ac.cam.ch.wwmm.oscar.Oscar.recogniseNamedEntities(Oscar.java:347)
> at uk.ac.cam.ch.wwmm.oscar.Oscar.findNamedEntities(Oscar.java:218)
> ...
> 
> Is this a known issue, and if so, is there a fix for this?

-- 
With best regards,
Dmitry