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
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
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