java.lang.NullPointerException: This exception has no message.
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java.lang.NullPointerException:
at com.jaeksoft.searchlib.request.SearchRequest.getNewQueryParser(UnknownSource)
at com.jaeksoft.searchlib.request.SearchRequest.getQueryParser(UnknownSource)
at com.jaeksoft.searchlib.request.SearchRequest.getQuery(Unknown Source)
at com.jaeksoft.searchlib.index.DocSetHitCacheKey.
(Unknown Source) at com.jaeksoft.searchlib.cache.SearchCache.get(Unknown Source)
at com.jaeksoft.searchlib.index.ReaderLocal.searchDocSet(Unknown Source)