code: public CaptureSearchResult adapt(WARCRecord rec) {
  		try {
  			return adaptInner(rec);
  		} catch (IOException e) {
  			e.printStackTrace();
  			return null;
  		} catch (OutOfMemoryError e) {
  			e.printStackTrace();
  			return null;
  		}
  	}
docs: /*
  This just calls adaptInner, returning null if an Exception is thrown: