An unexpected error occurred: Requires at least two strictly different numbers in source vector.

[Zminghua]

Hi I am getting the below unexpected error while running the code in Command Line API ...

2017-09-17 20:51:07,526 INFO [main] f.u.t.f.p.AggregateEngineRunner [AggregateEngineRunner.java:45] Running Aggregate Engine TermPostProcessor 2017-09-17 20:51:07,526 INFO [main] f.u.t.f.p.SimpleEngineRunner [SimpleEngineRunner.java:31] Running SimpleEngine Set IS_EXTENSION before post-processor 2017-09-17 20:51:07,527 INFO [main] f.u.t.f.p.SimpleEngineRunner [SimpleEngineRunner.java:31] Running SimpleEngine SwtLengthFilterer 2017-09-17 20:51:07,529 INFO [main] f.u.t.f.p.SimpleEngineRunner [SimpleEngineRunner.java:31] Running SimpleEngine IndependanceScorer 2017-09-17 20:51:07,535 INFO [main] f.u.t.f.p.SimpleEngineRunner [SimpleEngineRunner.java:31] Running SimpleEngine OrthographicScorer 2017-09-17 20:51:07,537 INFO [main] f.u.t.f.p.SimpleEngineRunner [SimpleEngineRunner.java:31] Running SimpleEngine VariationScorer 2017-09-17 20:51:07,541 ERROR [main] f.u.t.t.CommandLineClient [CommandLineClient.java:294] An unexpected error occurred: Requires at least two strictly different numbers in source vector. Got: [3.806893391457649] java.lang.IllegalArgumentException: Requires at least two strictly different numbers in source vector. Got: [3.806893391457649] at fr.univnantes.termsuite.metrics.MinMaxNormalizer.<init>(MinMaxNormalizer.java:42) at fr.univnantes.termsuite.engines.postproc.VariationScorer.scoreExtensions(VariationScorer.java:263) at fr.univnantes.termsuite.engines.postproc.VariationScorer.execute(VariationScorer.java:71) at fr.univnantes.termsuite.framework.pipeline.SimpleEngineRunner.run(SimpleEngineRunner.java:33) at fr.univnantes.termsuite.framework.pipeline.AggregateEngineRunner.run(AggregateEngineRunner.java:49) at fr.univnantes.termsuite.framework.pipeline.AggregateEngineRunner.run(AggregateEngineRunner.java:49) at fr.univnantes.termsuite.framework.Pipeline.run(Pipeline.java:25) at fr.univnantes.termsuite.api.TerminoExtractor.execute(TerminoExtractor.java:95) at fr.univnantes.termsuite.tools.TerminologyExtractorCLI.run(TerminologyExtractorCLI.java:137) at fr.univnantes.termsuite.tools.CommandLineClient.launch(CommandLineClient.java:287) at fr.univnantes.termsuite.tools.TerminologyExtractorCLI.main(TerminologyExtractorCLI.java:203) Exception in thread "main" fr.univnantes.termsuite.tools.TermSuiteCliException: An unexpected error occurred: Requires at least two strictly different numbers in source vector. Got: [3.806893391457649] at fr.univnantes.termsuite.tools.CommandLineClient.launch(CommandLineClient.java:295) at fr.univnantes.termsuite.tools.TerminologyExtractorCLI.main(TerminologyExtractorCLI.java:203) Caused by: java.lang.IllegalArgumentException: Requires at least two strictly different numbers in source vector. Got: [3.806893391457649] at fr.univnantes.termsuite.metrics.MinMaxNormalizer.<init>(MinMaxNormalizer.java:42) at fr.univnantes.termsuite.engines.postproc.VariationScorer.scoreExtensions(VariationScorer.java:263) at fr.univnantes.termsuite.engines.postproc.VariationScorer.execute(VariationScorer.java:71) at fr.univnantes.termsuite.framework.pipeline.SimpleEngineRunner.run(SimpleEngineRunner.java:33) at fr.univnantes.termsuite.framework.pipeline.AggregateEngineRunner.run(AggregateEngineRunner.java:49) at fr.univnantes.termsuite.framework.pipeline.AggregateEngineRunner.run(AggregateEngineRunner.java:49) at fr.univnantes.termsuite.framework.Pipeline.run(Pipeline.java:25) at fr.univnantes.termsuite.api.TerminoExtractor.execute(TerminoExtractor.java:95) at fr.univnantes.termsuite.tools.TerminologyExtractorCLI.run(TerminologyExtractorCLI.java:137) at fr.univnantes.termsuite.tools.CommandLineClient.launch(CommandLineClient.java:287) ... 1 more