private void refreshConfig() throws KrbException {
        sun.security.krb5.Config.refresh();
        KerberosName.resetDefaultRealm();
        //reload java.security.auth.login.config
        // javax.security.auth.login.Configuration.setConfiguration(null);
    }
Date: 2018/8/21
Company: www.dtstack.com
@author xuchao
hbase/hbase-side/hbase-async-side/src/main/java/com/dtstack/flink/sql/side/hbase/HbaseAsyncReqRow.java