[Pellet-users] Pellet-1.5.2 standalone error

[Evren Sirin]

On 7/8/08 12:12 PM, Alexander Nazarov wrote:
> Hi All,
>  
> I'm trying to use Linux Pellet-1.5.2 standalone and keep getting the 
> error while loading ontologies:
>  
> Input file: 
> file:/home/izoom/EZAccess/html/OntologyCandidate/AROntology/AROntologyCandidate.rdf
> Load Error: java.lang.NoSuchMethodError: method 
> java.util.Collections.emptySet with signature ()Ljava.util.Set; was 
> not found.
> Java version on that Linux machine is:
>  
> java version "1.4.2"
> gij (GNU libgcj) version 4.1.1 20061011 (Red Hat 4.1.1-30)
> Copyright (C) 2006 Free Software Foundation, Inc.
> Could anyone tell me please whether this version of Java might cause a 
> problem?

Yes, I believe Mike already said in a previous reply that Pellet uses 
Java 1.5 features and won't work with GNU Java which is only 1.4.2 
compliant. You need to upgrade to Sun Java 5 or Sun Java 6 JVM to be 
able to use Pellet 1.5.2.

Cheers,
Evren

>  
>  
> Thank you and best regards,
> Sasha
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