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https://issues.apache.org/jira/browse/KAFKA-4562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson resolved KAFKA-4562.
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Resolution: Duplicate
Pretty sure this was fixed in KAFKA-3994.
> deadlock heartbeat, metadata-manager, request-handler
> -----------------------------------------------------
>
> Key: KAFKA-4562
> URL: https://issues.apache.org/jira/browse/KAFKA-4562
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.10.1.0
> Environment: rhel7, java 1.8.0_77, vmware, two broker setup
> Reporter: Hans Kowallik
>
> Found one Java-level deadlock:
> =============================
> "executor-Heartbeat":
> waiting to lock monitor 0x00007f8c9c954378 (object 0x00000006cd17dd18, a
> kafka.coordinator.GroupMetadata),
> which is held by "group-metadata-manager-0"
> "group-metadata-manager-0":
> waiting to lock monitor 0x00007f8d60002bc8 (object 0x00000006d9e386e8, a
> java.util.LinkedList),
> which is held by "kafka-request-handler-1"
> "kafka-request-handler-1":
> waiting to lock monitor 0x00007f8c9c954378 (object 0x00000006cd17dd18, a
> kafka.coordinator.GroupMetadata),
> which is held by "group-metadata-manager-0"
> When this happens, RAM Usage, network connections and threads increase
> linearly.
> controller can't talk to local broker:
> [2016-12-19 16:22:44,639] INFO
> [Controller-614897-to-broker-614897-send-thread], Controller 614897 connected
> to kafka-dev-614897.lhotse.ov.otto.de:9092 (id: 614897 rack: null) for sending
> state change requests (kafka.controller.RequestSendThread)
> replication thread can't talk to remote broker:
> [2016-12-19 16:22:42,014] WARN [ReplicaFetcherThread-0-614897], Error in
> fetch kafka.server.ReplicaFetcherThread$FetchRequest@6cae17f6
> (kafka.server.ReplicaFetcherThread)
> java.io.IOException: Connection to 614897 was disconnected before the
> response was read
> Not failover happens until machine runs out of swap space or kafka is
> restarted manually.
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