guozhangwang commented on pull request #8683: URL: https://github.com/apache/kafka/pull/8683#issuecomment-654585011
@d8tltanc @rajinisivaram @dajac We observed some exception thrown from our soak with the following stack trace: ``` java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445) at java.util.HashMap$KeyIterator.next(HashMap.java:1469) at org.apache.kafka.clients.NetworkClient.handleTimedOutConnections(NetworkClient.java:822) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:574) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:265) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:236) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:215) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:419) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:359) ``` Seems related to this PR, could you take a look? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org