Github user cestella commented on the issue:
https://github.com/apache/incubator-metron/pull/514
That shouldn't be required as librdkafka doesn't know anything about JAAS
since JAAS is a Java thing and librdkafka is decidedly not. It does ticket
renewal literally by having you specify the keytab and the kinit command (the
default one works). I validated that by botching the kinit command in the
librdkafka config and having it scream bloody murder in the logs periodically
and stop working.
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