Hello Shyam,
this is probably not a bug in the code (this is a check in
std::ostream), but a problem with the location you're trying to write
to. Can you double-check if your path to the n-best-list is correct, and
that you can write to it?
best wishes,
Rico
On 01.09.2015 00:36, Shyam Upadhyay wrote:
I am new to using moses and I am trying to use the chart decoder to
obtain 100 best decodings as follows,
moses/bin/moses_chart -f mymodel/moses.ini --drop-unknown
--n-best-list myout/hyp.mrl.nbest 100
I encounter the following error,
Start loading text phrase table. Moses format : [0.009] seconds
Reading
/home/upadhya3/smt-semparse-fresh/work/2015-08-30T21.06.43/model/glue-grammar
----5---10---15---20---25---30---35---40---45---50---55---60---65---70---75---80---85---90---95--100
max-chart-span: 20
max-chart-span: 1000
Created input-output object : [0.009] seconds
Exception: ./moses/OutputCollector.h:64 in
Moses::OutputCollector::OutputCollector(std::string, std::string)
threw util::Exception because `!m_outStream->good()'.
Failed to open output
file/home/upadhya3/smt-semparse-fresh/work/2015-08-30T19.44.07/hyp.mrl.nbest
My moses.ini file is, (this was generated automatically by previous steps)
#########################
### MOSES CONFIG FILE ###
#########################
# input factors
[input-factors]
0
# mapping steps
[mapping]
0 T 0
1 T 1
[cube-pruning-pop-limit]
1000
[non-terminals]
X
[search-algorithm]
3
[inputtype]
3
[max-chart-span]
20
1000
# feature functions
[feature]
UnknownWordPenalty
WordPenalty
PhrasePenalty
PhraseDictionaryMemory name=TranslationModel0 num-features=4
path=/home/upadhya3/smt-semparse-fresh/work/2015-08-30T21.06.43/model/rule-table.gz
input-factor=0 output-factor=0
PhraseDictionaryMemory name=TranslationModel1 num-features=1
path=/home/upadhya3/smt-semparse-fresh/work/2015-08-30T21.06.43/model/glue-grammar
input-factor=0 output-factor=0 tuneable=true
KENLM name=LM0 factor=0
path=/home/upadhya3/smt-semparse-fresh/work/2015-08-30T21.06.43/mrl.arpa
order=3
# dense weights for feature functions
[weight]
# The default weights are NOT optimized for translation quality. You
MUST tune the weights.
# Documentation for tuning is here:
http://www.statmt.org/moses/?n=FactoredTraining.Tuning
UnknownWordPenalty0= 1
WordPenalty0= -1
PhrasePenalty0= 0.2
TranslationModel0= 0.2 0.2 0.2 0.2
TranslationModel1= 1
LM0= 0.5
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