dkpro-core

I have set up DKPro Core as a web service to take an input and provide a tokenised output. The service itself is set up as a Jersey resource: @Path("/") public class MyResource { public MyResource() { // Nothing here } @GET public String generate(@QueryParam("q") final String input) { try { final JCasIterable en = iteratePipeline( createReaderDescription(StringReader.class, StringReader.PARAM_DOCUMENT_TEXT, input, StringReader.PARAM_LANGUAGE, "en") ,createEngineDescription(StanfordSegmenter.class) ,createEngineDescription(StanfordPosTagger.class) ,createEngineDescription(StanfordParser.class)

This questions describes how to reuse a pipeline in dkpro but if I only create one JCas and then try to change the text then I get the exception org.apache.uima.cas.CASRuntimeException: Data for Sofa feature setLocalSofaData() has already been set. How do I get around this? The sofa data in the CAS can only be set once. It cannot be modified after it has been set. In order to re-use a CAS, call the reset() method on it. This clears all annotations and allows you to set the sofa/text again. To build a CAS incrementally, a common strategies is to add annotations to the CAS while adding text to a