我的Flink流式传输作业写入安全的hdfs。在kinit之后工作顺利进行，直到kerberos机票终身到期。我不能增加现在1d的寿命。 请告诉我应该如何处理这个错误。
错误日志：
Caused by: javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)]
at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:413)
at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:554)
at org.apache.hadoop.ipc.Client$Connection.access$1800(Client.java:369)
at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:723)
at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:719)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1656)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:718)
... 26 more
Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)
at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
... 35 more