I'm running in windows vista...

C:\R2D2\voxforge\auto>perl C:\bin\julius-4.2.1\julius-4.2.1-win32bin\bin\mkdfa.p
l sample
sample.grammar has 4 rules
sample.voca    has 4 categories and 14 words
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Warning: dfa_minimize not found in the same place as mkdfa.pl
Warning: no minimization performed
Now parsing grammar file
Now modifying grammar to minimize states[-1]
Now parsing vocabulary file
Now making nondeterministic finite automaton[3/3]
Error:       undefined class "FOLKS_N"
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no .dfa or .dict file generated

-----sample.voca--------------------------------------------------------------

% NS_B
<s>        sil

% NS_E
</s>        sil

% GREET_N
HEYR2            HH EY AA R T UW .
GAMEMODE        G EY M . M OW D .
COMMANDMODE        K AH M AE N D . M OW D .
RESETSYSTEM        R IY S EH T . S IH S T AH M .

# QUESTION_N
DOYOUREMEMBER     D UW . Y UW . R IH M EH M B ER .

# FOLKS_N
DARTHVADER         D AA R TH . V EY D ER .
PRINCESLEIH         P R IH N S EH S . L EY EH .   

# GAMES_N
DANCEMUSIC         D AE N S . M Y UW Z IH K .
THEME             TH IY M .   

# OBJECTS_N
DOOR            D AO R .

% M_ACT
OPEN            ow p ax n
CLOSE           k l ow s

------sample.grammer------------------------------------------------------

S : NS_B SENT NS_E
SENT: GREET_N FOLKS_N
SENT: GAMEMODE GAMES_N
SENT: COMMANDMODE OBJECTS_N M_ACT

--- (Edited on 5/24/2013 12:00 am [GMT-0500] by Visitor) ---