Re: kerberos token expire

2021-07-06 Thread Gabor Somogyi
As Yangze stated ticket cache will be expired after its lifespan. Please be aware that when keytab is used then Flink obtains delegation tokens which will be never ever used. The fact that delegation token handling is not functioning is a known issue and working on it to fix it. w/o delegation toke

Re: kerberos token expire

2021-07-05 Thread Yangze Guo
The ticket cache will be expired after its lifespan. You can try to set the security.kerberos.login.use-ticket-cache to false as you provide the keytab. Best, Yangze Guo On Tue, Jul 6, 2021 at 10:02 AM 谢扬成 wrote: > > Hi, > > I processed data with flink which version is 1.12.2, data source read f

kerberos token expire

2021-07-05 Thread 谢扬成
Hi, I processed data with flink which version is 1.12.2, data source read from kafka, after logic processing, then write into HDFS with parquet format, the Hadoop cluster opened kerberos authentication mechanism. flink-conf.yml like below: security.kerberos.login.use-ticket-cache: true security