kafka-coordinator-heartbeat-thread发生BLOCKED

程序设置的是启动10个kafka线程，消息存入kafka以后消费时kafka-coordinator-heartbeat-thread出现Blocked，这个现象是正常的吗？


kafka-coordinator-heartbeat-thread | wxadapter State: BLOCKED tid: 114
org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.disableWakeups() ConsumerNetworkClient.java:409
org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.pollNoWakeup() ConsumerNetworkClient.java:264
org.apache.kafka.clients.consumer.internals.AbstractCoordinator$HeartbeatThread.run() AbstractCoordinator.java:864