CompositeCacheManager ccm = CompositeCacheManager.getUnconfiguredInstance();
StringBuffer sb = new StringBuffer();
Properties props = new Properties();
sb.append("conf").append(GFFinal.FILE_SEP).append("cache.ccf");
props.load(new FileInputStream(new File(sb.toString())));
ccm.configure(props);
segCache = JCS.getInstance("segCache");
logger.info("init index��info��seg cache");
} catch (CacheException e) {
logger.error("init segment cache is failed", e);
} catch (IOException e) {