Mudit Garg created KAFKA-5963:
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Summary: Null Pointer Exception on server
Key: KAFKA-5963
URL: https://issues.apache.org/jira/browse/KAFKA-5963
Project: Kafka
Issue Type: Bug
Reporter: Mudit Garg
I am using Kafka 0.8.1.1. I am sending the logs to Kafka Streams.
Initially, everything works fine but after some time when the server is idle
and no logs are produced, we get *Null Pointer Exception on the server* and
*nothing gets pushed into Kafka*.
Following is the stack trace :
java.lang.NullPointerException
at org.apache.kafka.common.network.Selector.poll(Selector.java:187)
at
org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:154)
at
org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:101)
at java.lang.Thread.run(Thread.java:745)
I checked the code at
https://github.com/apache/kafka/blob/0.8.1.1/clients/src/main/java/org/apache/kafka/common/network/Selector.java#L187
Looks like transmissions object is null.
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