KafkaServerExtension poll lock is not freed

Kafka Consumer Poll is acquiring the lock but it's not freed, so it's getting stuck when trying to undeploy (register):

"Thread-6" #61 daemon prio=5 os_prio=0 tid=0x00007f4724b6d800 nid=0x1bd5b runnable [0x00007f47681ee000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)

• locked <0x00000000fa149078> (a sun.nio.ch.Util$3)
• locked <0x00000000fa149088> (a java.util.Collections$UnmodifiableSet)
• locked <0x00000000fa149030> (a sun.nio.ch.EPollSelectorImpl)
  at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
  at org.apache.kafka.common.network.Selector.select(Selector.java:873)
  at org.apache.kafka.common.network.Selector.poll(Selector.java:469)
  at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:544)
  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.KafkaConsumer.pollForFetches(KafkaConsumer.java:1301)
  at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1237)
  at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1210)
  at org.kie.server.services.jbpm.kafka.KafkaServerExtension.pollEvents(KafkaServerExtension.java:453)