How to use a custom TokensRegex rules annotator with Stanford CoreNLP Server? -


the tokensregex rules color annotator (stanford-corenlp-full-2016-10-31/tokensregex/color.rules.txt) loads when using corenlp through command line fails web server java.lang.illegalargumentexception: unknown annotator: color.

setup

# custom.properties annotators=tokenize,ssplit,pos,lemma,ner,regexner,color customannotatorclass.color = edu.stanford.nlp.pipeline.tokensregexannotator color.rules = tokensregex/color.rules.txt

command line

$ java -cp "*" -xmx2g edu.stanford.nlp.pipeline.stanfordcorenlp -props custom.properties -file ./tokensregex/color.input.txt -outputformat text [main] info edu.stanford.nlp.pipeline.stanfordcorenlp - registering annotator color class edu.stanford.nlp.pipeline.tokensregexannotator ... [main] info edu.stanford.nlp.pipeline.stanfordcorenlp - adding annotator color [main] info edu.stanford.nlp.ling.tokensregex.coremapexpressionextractor - reading tokensregex rules tokensregex/color.rules.txt [main] info edu.stanford.nlp.ling.tokensregex.coremapexpressionextractor - read 7 rules  # color.input.txt.output sentence #1 (9 tokens): both blue , light blue nice colors. [text=both characteroffsetbegin=0 characteroffsetend=4 partofspeech=cc lemma=both namedentitytag=o] [text=blue characteroffsetbegin=5 characteroffsetend=9 partofspeech=jj lemma=blue namedentitytag=color normalizednamedentitytag=#0000ff] ...

server

  1. java -mx2g -cp "*" edu.stanford.nlp.pipeline.stanfordcorenlpserver -c custom.properties

  2. wget --post-data 'both blue , light blue nice colors.' 'localhost:9000/?properties={"annotators":"tokenize,ssplit,pos,lemma,ner,regexner,color","outputformat":"json"}' -o -

    http request sent, awaiting response... 500 internal server error     2016-11-05 14:41:27 error 500: internal server error.  java.lang.illegalargumentexception: unknown annotator: color     @ edu.stanford.nlp.pipeline.stanfordcorenlp.ensureprerequisiteannotators(stanfordcorenlp.java:304)     @ edu.stanford.nlp.pipeline.stanfordcorenlpserver$corenlphandler.getproperties(stanfordcorenlpserver.java:713)     @ edu.stanford.nlp.pipeline.stanfordcorenlpserver$corenlphandler.handle(stanfordcorenlpserver.java:540)     @ com.sun.net.httpserver.filter$chain.dofilter(filter.java:79)     @ sun.net.httpserver.authfilter.dofilter(authfilter.java:83)     @ com.sun.net.httpserver.filter$chain.dofilter(filter.java:82)     @ sun.net.httpserver.serverimpl$exchange$linkhandler.handle(serverimpl.java:675)     @ com.sun.net.httpserver.filter$chain.dofilter(filter.java:79)     @ sun.net.httpserver.serverimpl$exchange.run(serverimpl.java:647)     @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1142)     @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:617)     @ java.lang.thread.run(thread.java:745)

solution

include custom annotator properties in request: wget --post-data 'both blue , light blue nice colors.' 'localhost:9000/?properties={"color.rules":"tokensregex/color.rules.txt","customannotatorclass.color":"edu.stanford.nlp.pipeline.tokensregexannotator","annotators":"tokenize,ssplit,pos,lemma,ner,regexner,color","enforcerequirements":"false","outputformat":"json"}' -o -

add

"enforcerequirements":"false"

to request , should stop error!


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