我在一个启用了kerberos的CDH6.3集群里，提交一个flink1.9版本程序到yarn，需消费集群外一个0.8版本的未启用安全认证的kafka，需要如何设置他不使用安全的方式去连接这个集群外kafka的zookeeper呢？谢谢。   org.apache.flink.shaded.zookeeper.org.apache.zookeeper.client. ZooKeeperSaslClient - Client will use GSSAPI as SASL mechanism. org.apache.flink.shaded.zookeeper.org.apache.zookeeper. ClientCnxn - Opening socket connection to server ark1.analysys.xyz/ 10.2 . 33.189 : 2181 . Will attempt to SASL -authenticate using Login Context section 'Client' org.apache.flink.shaded.zookeeper.org.apache.zookeeper.client. ZooKeeperSaslClient - An error: (java.security. PrivilegedActionException : javax.security.sasl. SaslException : GSS initiate failed [ Caused by GSSException : No valid credentials provided ( Mechanism level: Server not found in Kerberos database ( 7 ) - LOOKING_UP_SERVER )]) occurred when evaluating Zookeeper Quorum Member 's received SASL token. Zookeeper Client will go to AUTH_FAILED state. ... View more