celery1124 commented on issue #5032: URL: https://github.com/apache/openwhisk/issues/5032#issuecomment-812122179
> I am getting this same error, and it seems to be a problem of kafka not being able to keep a stable connection to zookeeper. Using Ubuntu 16.01 > > Relevant kafka log section: > > ``` > [2021-04-01 17:54:53,847] INFO Initiating client connection, connectString=172.17.0.1:2181 sessionTimeout=6000 watcher=kafka.zookeeper.ZooKeeperClient$ZooKeeperClientWatcher$@7e0b85f9 (org.apache.zookeeper.ZooKeeper) > [2021-04-01 17:54:53,892] INFO [ZooKeeperClient Kafka server] Waiting until connected. (kafka.zookeeper.ZooKeeperClient) > [2021-04-01 17:54:53,898] INFO Opening socket connection to server 172.17.0.1/172.17.0.1:2181. Will not attempt to authenticate using SASL (unknown error) (org.apache.zookeeper.ClientCnxn) > [2021-04-01 17:54:59,896] INFO [ZooKeeperClient Kafka server] Closing. (kafka.zookeeper.ZooKeeperClient) > [2021-04-01 17:54:59,902] WARN Client session timed out, have not heard from server in 6012ms for sessionid 0x0 (org.apache.zookeeper.ClientCnxn) > [2021-04-01 17:55:00,009] INFO Session: 0x0 closed (org.apache.zookeeper.ZooKeeper) > [2021-04-01 17:55:00,012] INFO EventThread shut down for session: 0x0 (org.apache.zookeeper.ClientCnxn) > [2021-04-01 17:55:00,014] INFO [ZooKeeperClient Kafka server] Closed. (kafka.zookeeper.ZooKeeperClient) > [2021-04-01 17:55:00,019] ERROR Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer) > kafka.zookeeper.ZooKeeperClientTimeoutException: Timed out waiting for connection while in state: CONNECTING > at kafka.zookeeper.ZooKeeperClient.$anonfun$waitUntilConnected$3(ZooKeeperClient.scala:258) > at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23) > at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:253) > at kafka.zookeeper.ZooKeeperClient.waitUntilConnected(ZooKeeperClient.scala:254) > at kafka.zookeeper.ZooKeeperClient.<init>(ZooKeeperClient.scala:112) > at kafka.zk.KafkaZkClient$.apply(KafkaZkClient.scala:1826) > at kafka.server.KafkaServer.createZkClient$1(KafkaServer.scala:364) > at kafka.server.KafkaServer.initZkClient(KafkaServer.scala:387) > at kafka.server.KafkaServer.startup(KafkaServer.scala:207) > at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:38) > at kafka.Kafka$.main(Kafka.scala:84) > at kafka.Kafka.main(Kafka.scala) > [2021-04-01 17:55:00,022] INFO shutting down (kafka.server.KafkaServer) > [2021-04-01 17:55:00,032] INFO shut down completed (kafka.server.KafkaServer) > [2021-04-01 17:55:00,034] ERROR Exiting Kafka. (kafka.server.KafkaServerStartable) > [2021-04-01 17:55:00,039] INFO shutting down (kafka.server.KafkaServer) > ``` I didn't dig much into this case since I found no issues on Ubuntu 18.04 (with the same scripts). Maybe you can try with a more up to date OS. Mian -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
