NullPointerException TermBuffer ...felt like a noob with this one..

java.lang.NullPointerException
 at org.apache.lucene.index.TermBuffer.set(TermBuffer.java:95)
 at org.apache.lucene.index.SegmentTermEnum.scanTo(SegmentTermEnum.java:160)
 at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:232)
 at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:179)
 at org.apache.lucene.index.SegmentReader.docFreq(SegmentReader.java:911)
 at org.apache.lucene.index.DirectoryReader.docFreq(DirectoryReader.java:644)
 at org.apache.lucene.search.IndexSearcher.docFreq(IndexSearcher.java:138)
 at org.apache.lucene.search.Similarity.idfExplain(Similarity.java:735)
 at org.apache.lucene.search.TermQuery$TermWeight.(TermQuery.java:46)
 at org.apache.lucene.search.TermQuery.createWeight(TermQuery.java:171)
 at org.apache.lucene.search.BooleanQuery$BooleanWeight.(BooleanQuery.java:188)
 at org.apache.lucene.search.BooleanQuery.createWeight(BooleanQuery.java:362)
 at org.apache.lucene.search.Query.weight(Query.java:101)
 at org.apache.lucene.search.Searcher.createWeight(Searcher.java:147)
 at org.apache.lucene.search.Searcher.search(Searcher.java:98)

Ever get t his non-descriptive exception in lucene?  its because your passing a null value within the TermQuery!!