if ( ! removeDirectory( new File(dbDir) ))
if ( !removeDirectory( dbDirFile ) )
	private void removeDatabase()	{		logger.info( "Removing Sampledb DB directory at location " + dbDir );		// recursively delete the DB directory		if ( ! removeDirectory( new File(dbDir) ))		{			logger.warning( "Failed to remove one or more file in temp db directory: " + dbDir );		}	}