[Biojava-l] A newbie question

[madavh00]

I am trying to use the biojava packages within a servlet. And when I try
from code from EmblToGffFasta.java from within the servlet  I get the
following error

java.lang.ClassCastException
rethrown as org.biojava.bio.BioError: Unable to initialize AlphabetManager
at org.biojava.bio.symbol.AlphabetManager

The lines of code follow
      Alphabet alpha = DNATools.getDNA();
      SymbolParser rParser = alpha.getParser("token");

Can you help me resolve this. I am using Biojava 1.01 Java SDK v 1.2.2


Thanks
Hannah

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