Help Center/ MapReduce Service/ Component Operation Guide (LTS)/ Using ZooKeeper/ Common Issues About ZooKeeper/ What Should I Do When the ZooKeeper Client Fails to Refresh a TGT?

Updated on 2023-04-28 GMT+08:00

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What Should I Do When the ZooKeeper Client Fails to Refresh a TGT?

Question

The ZooKeeper client fails to refresh a TGT and therefore ZooKeeper cannot be accessed. The error message is as follows:

Login: Could not renew TGT due to problem running shell command: '***/kinit -R'; exception was:org.apache.zookeeper.Shell$ExitCodeException: kinit: Ticket expired while renewing credentials

Answer

ZooKeeper uses the system command kinit – R to refresh a ticket. In the current version of MRS, the function of this command is canceled. If a long-term task needs to be executed, you are advised to implement the authentication function in keytab mode.

In the client installation path/ZooKeeper/zookeeper/conf/jaas.conf configuration file, set useTicketCache to false, useKeyTab to true, and specify the keytab path.

Parent topic: Common Issues About ZooKeeper

Previous topic: Why Cannot the Client Connect to ZooKeeper using the IBM JDK?

Next topic: Why Is Message "Node does not exist" Displayed when A Large Number of Znodes Are Deleted Using the deleteallCommand

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