Hi Timo,
it is the latest released version - 1.4.2
This only happens when a job falls into a restart loop and stays in it for
20 minutes or so.
Looks like for each restart, Flink loads classes anew, but previously
loaded classes are not garbage collected for some reason (still referenced?)
Very
Hi Alex,
which version of Flink are you running? There were some class loading
issues with Kafka recently. I would try it with the newest Flink
version. Otherwise ClassNotFoundException usually indicates that
something is wrong with your dependencies. Maybe you can share your
pom.xml with us.
I see a lot of messages in flink log like below. What's the cause?
02 Apr 2018 04:09:13,554 ERROR
org.apache.kafka.clients.producer.internals.Sender - Uncaught error in
kafka producer I/O thread:
org.apache.kafka.common.KafkaException: Error registering mbean
kafka.producer:type=producer-node-met
