Seweryn Habdank-Wojewodzki created KAFKA-6457:
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Summary: Error: NOT_LEADER_FOR_PARTITION leads to NPE
Key: KAFKA-6457
URL: https://issues.apache.org/jira/browse/KAFKA-6457
Project: Kafka
Issue Type: Bug
Components: streams
Affects Versions: 1.0.0
Reporter: Seweryn Habdank-Wojewodzki
One of our nodes was dead. Then the second one took all responsibility.
But streamming aplication in the meanwhile crashed due to NPE caused by
{{Error: NOT_LEADER_FOR_PARTITION}}.
The stack trace is below.
Is it something expected?
{code}
2018-01-17 11:47:21 [my] [WARN ] Sender:251 - [Producer ...2018-01-17 11:47:21
[my] [WARN ] Sender:251 - [Producer
clientId=restreamer-my-fef07ca9-b067-45c0-a5af-68b5a1730dac-StreamThread-1-producer]
Got error produce response with correlation id 768962 on topic-partition
my_internal_topic-5, retrying (9 attempts left). Error: NOT_LEADER_FOR_PARTITION
2018-01-17 11:47:21 [my] [WARN ] Sender:251 - [Producer
clientId=restreamer-my-fef07ca9-b067-45c0-a5af-68b5a1730dac-StreamThread-1-producer]
Got error produce response with correlation id 768962 on topic-partition
my_internal_topic-7, retrying (9 attempts left). Error: NOT_LEADER_FOR_PARTITION
2018-01-17 11:47:21 [my] [ERROR] AbstractCoordinator:296 - [Consumer
clientId=restreamer-my-fef07ca9-b067-45c0-a5af-68b5a1730dac-StreamThread-1-consumer,
groupId=restreamer-my] Heartbeat thread for group restreamer-my failed due to
unexpected error
java.lang.NullPointerException: null
at
org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:436)
~[my-restreamer.jar:?]
at org.apache.kafka.common.network.Selector.poll(Selector.java:395)
~[my-restreamer.jar:?]
at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:460)
~[my-restreamer.jar:?]
at
org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:238)
~[my-restreamer.jar:?]
at
org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.pollNoWakeup(ConsumerNetworkClient.java:275)
~[my-restreamer.jar:?]
at
org.apache.kafka.clients.consumer.internals.AbstractCoordinator$HeartbeatThread.run(AbstractCoordinator.java:934)
[my-restreamer.jar:?]
{code}
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