Support for users of CCG software closed 7-27-20

[Mark Sammons <mssammon AT illinois.edu>]

Hi, Chad.

This looks like a conflict between versions of LBJ.  Please update the coref
you are using to the most recent available from the web site. If that doesn't 
work,
update your copy of LBJ; you will probably need to update other components 
too.

Let me know what happens...

Regards,

Mark


---- Original message ----
>Date: Tue, 17 May 2011 18:41:22 -0400
>From: 
><chad.m.cumby AT accenture.com>
>  
>Subject: [Illinois-ml-nlp-users] Coref Curator service  
>To: 
><illinois-ml-nlp-users AT cs.uiuc.edu>
>
>   Hi guys,
>
>   I'm trying to run the Coref annotator included with
>   Curator, and I'm getting interesting errors when the
>   platform tries to query coref.  I've tried it both
>   as a local inline component and as a standalone
>   server.  With it running as a server unless I give
>   the JVM over 10GB of memory it fails with out of
>   memory errors.  With over 10GB I get this error:
>
>    
>
>   Error instantiating feature 'null':
>
>   java.lang.NullPointerException
>
>           at
>   LBJ2.classify.Feature.lexReadFeature(Feature.java:619)
>
>           at LBJ2.learn.Lexicon.read(Lexicon.java:801)
>
>           at
>   LBJ2.learn.Lexicon.readLexicon(Lexicon.java:125)
>
>           at
>   LBJ2.learn.Lexicon.readLexicon(Lexicon.java:86)
>
>           at
>   LBJ2.learn.Lexicon.readLexicon(Lexicon.java:70)
>
>           at
>   LBJ2.learn.Learner.readLexicon(Learner.java:1127)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.learned.MentionDetectorMyBIOHead.readLexicon(Me
ntionDetectorMyBIOHead.java:1083)
>
>           at
>   LBJ2.learn.Learner.getExampleArray(Learner.java:665)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.learned.MentionDetectorMyBIOHead.getExampleArr
ay(MentionDetectorMyBIOHead.java:954)
>
>           at
>   LBJ2.learn.Learner.featureValue(Learner.java:451)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.learned.MentionDetectorMyBIOHead.cachedFeature
Value(MentionDetectorMyBIOHead.java:183)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.learned.MentionDetectorMyBIOHead.discreteValue(
MentionDetectorMyBIOHead.java:263)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.learned.MentionDetectorMyBIOHead.discreteValue(
MentionDetectorMyBIOHead.java:253)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.decoders.BIODecoder.decode(BIODecoder.java:50)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.decoders.ExtendHeadsDecoder.decode(ExtendHead
sDecoder.java:58)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.io.loaders.DocLoader.getPredMents(DocLoader.java:
256)
>
>           at
>   
edu.illinois.cs.cogcomp.lbj.coref.io.loaders.DocLoader.loadDoc(DocLoader.java:178)
>
>           at
>   
edu.illinois.cs.cogcomp.annotation.handler.IllinoisCorefHandler.clusterRecord(IllinoisC
orefHandler.java:106)
>
>           at
>   
edu.illinois.cs.cogcomp.thrift.cluster.ClusterGenerator$Processor$clusterRecord.proc
ess(ClusterGenerator.java:293)
>
>           at
>   
edu.illinois.cs.cogcomp.thrift.cluster.ClusterGenerator$Processor.process(ClusterGen
erator.java:271)
>
>           at
>   
org.apache.thrift.server.TNonblockingServer$FrameBuffer.invoke(TNonblockingServer.j
ava:678)
>
>           at
>   org.apache.thrift.server.THsHaServer$Invocation.run(THsHaServer.java:291)
>
>           at
>   
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:88
5)
>
>           at
>   
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>
>           at java.lang.Thread.run(Thread.java:619)
>
>    
>
>   Any ideas?  I'm using the LBJ2 lib that came with
>   the platform I believe. 
>
>    
>
>   Thanks
>
>   Chad
>
>     ------------------------------------------------
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