2016-05-03 12:45:15,167 INFO [main] pipeline.PipelineDriver (PipelineDriver.java:93) - Training set has 22 questions and 22 answers
2016-05-03 12:45:15,168 INFO [main] pipeline.PipelineDriver (PipelineDriver.java:99) - Validation set has 0 questions and 0 answers
2016-05-03 12:45:15,169 INFO [main] pipeline.PipelineDriver (PipelineDriver.java:105) - Test set has 0 questions and 0 answers
2016-05-03 12:45:15,204 INFO [main] api.PipelineQuestionAnswerer (PipelineQuestionAnswerer.java:288) - Initializing scheduler with 1 threads.
2016-05-03 12:45:15,634 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:116) - Solr cluster - sca202f2a2_ecb7_43ca_9e6e_aa981e812496
2016-05-03 12:45:15,634 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:117) - Solr collection - collection_name
2016-05-03 12:45:15,634 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:118) - Ranker name - ranker_name
2016-05-03 12:45:15,634 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:119) - Rows per query - 50
2016-05-03 12:45:15,636 INFO [main] api.PipelineQuestionAnswerer (PipelineQuestionAnswerer.java:135) - number of folds:1
2016-05-03 12:45:15,636 INFO [main] api.PipelineQuestionAnswerer (PipelineQuestionAnswerer.java:136) - trainable components:[]
2016-05-03 12:45:15,674 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 4323
2016-05-03 12:45:21,699 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 4386
2016-05-03 12:45:29,242 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 4513
2016-05-03 12:45:32,330 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 237
2016-05-03 12:45:34,228 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 346
2016-05-03 12:45:36,391 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 380
2016-05-03 12:45:38,246 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 625
2016-05-03 12:45:39,828 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 4643
2016-05-03 12:45:41,383 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 831
2016-05-03 12:45:43,223 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 938
2016-05-03 12:45:45,257 INFO [pool-3-thread-1] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:252) - So far, 10 out of 9 questions have been retained
2016-05-03 12:45:45,258 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 4817
2016-05-03 12:45:47,361 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 1195
2016-05-03 12:45:49,823 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 1261
2016-05-03 12:45:53,836 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 1456
2016-05-03 12:45:59,145 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 1627
2016-05-03 12:46:01,438 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 1922
2016-05-03 12:46:02,962 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 3101
2016-05-03 12:46:04,464 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 3511
2016-05-03 12:46:05,995 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 3548
2016-05-03 12:46:08,876 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 3403
2016-05-03 12:46:11,657 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 3417
2016-05-03 12:46:14,256 INFO [pool-3-thread-1] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:252) - So far, 20 out of 20 questions have been retained
2016-05-03 12:46:14,257 INFO [pool-3-thread-1] api.PipelineQuestionAnswerer$3 (PipelineQuestionAnswerer.java:150) - 3947
2016-05-03 12:46:17,763 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:160) - Attempting to create ranker.
2016-05-03 12:46:24,167 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:163) - Writing training data to disk
2016-05-03 12:46:24,183 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:167) - Writing training data to disk done
2016-05-03 12:46:26,359 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:176) - Kicking off training on data file:res/training_data.csv
2016-05-03 12:46:26,359 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:180) - Ranker status : Training
2016-05-03 12:46:58,663 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:180) - Ranker status : Training
2016-05-03 12:47:30,858 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:180) - Ranker status : Training
2016-05-03 12:48:03,213 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:180) - Ranker status : Training
2016-05-03 12:48:35,349 INFO [main] pipeline.RnrMergerAndRanker (RnrMergerAndRanker.java:180) - Ranker status : Training
Exception in thread "main" java.lang.RuntimeException: Ranker training failed.
at com.ibm.watson.developer_cloud.professor_languo.pipeline.RnrMergerAndRanker.finishTraining(RnrMergerAndRanker.java:188)
at com.ibm.watson.developer_cloud.professor_languo.api.PipelineQuestionAnswerer.train(PipelineQuestionAnswerer.java:164)
at com.ibm.watson.developer_cloud.professor_languo.api.PipelineQuestionAnswerer.trainWithComponentTrainingData(PipelineQuestionAnswerer.java:126)
at com.ibm.watson.developer_cloud.professor_languo.api.PipelineQuestionAnswerer.train(PipelineQuestionAnswerer.java:96)
at com.ibm.watson.developer_cloud.professor_languo.pipeline.PipelineDriver.drive(PipelineDriver.java:115)
at com.ibm.watson.developer_cloud.professor_languo.pipeline.PipelineDriver.main(PipelineDriver.java:59)