Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Unexpected exception in schema registry group processing thread org.apache.kafka.common.errors.WakeupException: null

See original GitHub issue

Hey I am seeing this error using embedded-kaka


[warn] o.a.k.c.n.Selector - [SocketServer brokerId=0] Unexpected error from /127.0.0.1; closing connection
org.apache.kafka.common.network.InvalidReceiveException: Invalid receive (size = 369296129 larger than 104857600)
	at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:105)
	at org.apache.kafka.common.network.KafkaChannel.receive(KafkaChannel.java:447)
	at org.apache.kafka.common.network.KafkaChannel.read(KafkaChannel.java:397)
  | => rat org.apache.kafka.common.network.Selector.attemptRead(Selector.java:678)
	at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:580)
	at org.apache.kafka.common.network.Selector.poll(Selector.java:485)
	at kafka.network.Processor.poll(SocketServer.scala:913)
	at kafka.network.Processor.run(SocketServer.scala:816)
	at java.lang.Thread.run(Thread.java:748)
[warn] o.a.k.c.NetworkClient - [Producer clientId=producer-1] Connection to node -1 (localhost/127.0.0.1:6001) terminated during authentication. This may happen due to any of the following reasons: (1) Authentication failed due to invalid credentials with brokers older than 1.0.0, (2) Firewall blocking Kafka TLS traffic (eg it may only allow HTTPS traffic), (3) Transient network issue.
[warn] o.a.k.c.NetworkClient - [Producer clientId=producer-1] Bootstrap broker localhost:6001 (id: -1 rack: null) disconnected
[error] i.c.k.s.l.k.KafkaGroupLeaderElector - Unexpected exception in schema registry group processing thread
org.apache.kafka.common.errors.WakeupException: null
	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.maybeTriggerWakeup(ConsumerNetworkClient.java:514)
	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:278)
	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:236)
  | => rat org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:227)
	at io.confluent.kafka.schemaregistry.leaderelector.kafka.SchemaRegistryCoordinator.poll(SchemaRegistryCoordinator.java:125)
	at io.confluent.kafka.schemaregistry.leaderelector.kafka.KafkaGroupLeaderElector$1.run(KafkaGroupLeaderElector.java:200)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

Any reason why this is the case?

Issue Analytics

State:
Created 2 years ago
Comments:8 (4 by maintainers)

Top GitHub Comments

1reaction

francescopellegrinicommented, Jul 19, 2021

The WakeupException is a consequence of the issue, not the root cause. 😉

0reactions

francescopellegrinicommented, Aug 28, 2021

Hi @SarpongAbasimi, I’m sorry but, as I mentioned before, WakeupException is a consequence of the issue, not the root cause, so I’m not able to help you here.

Top Results From Across the Web

Kafka with Confluent Kubernetes Helm ... - Stack Overflow

Your schema registry can't join your Kafka group. You'll have to check the configs, your schema registry needs to perform a leader election ......

Confluent Community Edition - Ops

Team, I had downloaded the Confluent community edition and trying to start the ... ExecutionException: org.apache.kafka.common.errors.

Chapter 4. Kafka Consumers: Reading Data from Kafka

When multiple consumers are subscribed to a topic and belong to the same consumer group, each consumer in the group will receive messages...

Complete Kafka Consumer with Java - Conduktor

Create a complete Kafka Consumer using Java in this Learn Apache Kafka Programming Tutorial with real Kafka consumer code and examples.

confluentinc - Bountysource

VALUE_DESERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization. ... ERROR Unexpected exception in schema registry group processing thread ...