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Rajini Sivaram commented on KAFKA-6155: --------------------------------------- This deadlock has been fixed under KAFKA-5970 and KAFKA-6042. The fix is included in the 1.0.0 release. The fixes have also been applied to the 0.11.0 branch in case you would like to try it out. > Found Dead Lock Error on broker > ------------------------------- > > Key: KAFKA-6155 > URL: https://issues.apache.org/jira/browse/KAFKA-6155 > Project: Kafka > Issue Type: Bug > Components: core > Affects Versions: 0.11.0.0 > Reporter: Chengxiang Li > Priority: Critical > Attachments: 20890.txt > > > During one of our test, we found that all the produce/consumer request to one > of our kafka broker got timeout, and the server of this kafka broker holds > more than 200K `CLOSE_WAIT` network connections and it grows continously. > After research the jstack output of Kafka broker, we found a > *{color:red}DeadLock{color}* and a Lock(0x00000005c109dd50) which waited by > many thread and no one hold it. You can see the attached file for more detail. -- This message was sent by Atlassian JIRA (v6.4.14#64029)