NoClassDefFoundError for EarlyTerminatingSortingCollector

[Cheng]

Hi all,

I am using the following simple code, which led to NoClassDefFoundError for
EarlyTerminatingSortingCollector. Any one can help?

Thanks.

RAMDirectory index_dir = new RAMDirectory();
Analyzer analyzer = new StandardAnalyzer();
AnalyzingInfixSuggester suggester = new
AnalyzingInfixSuggester(Version.LATEST,
index_dir, analyzer);