Lei Wang created KAFKA-3971:
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Summary: Consumers drop from coordinator and cannot reconnet
Key: KAFKA-3971
URL: https://issues.apache.org/jira/browse/KAFKA-3971
Project: Kafka
Issue Type: Bug
Components: consumer
Affects Versions: 0.9.0.1
Environment: version 0.9.0.1
Reporter: Lei Wang
>From time to time, we're creating new topics, and all consumers will pickup
>those new topics. When starting to consume from these new topics, we often see
>some of random consumers cannot connect to the coordinator. The log will be
>flushed with the following log message tens of thousands every second:
{noformat}
16/07/18 18:18:36.003 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.004 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
16/07/18 18:18:36.005 INFO (AbstractCoordinator.java:529): Marking the
coordinator 2147483645 dead.
{noformat}
the servers seem working fine, and other consumers are also happy.
from the log, looks like it's retrying multiple times every millisecond but all
failing.
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