[GitHub] [openwhisk] aFuerst commented on issue #5032: ansible/openwhisk.yml fails for waiting kafka server started up

[GitBox <gi...@apache.org>]

aFuerst commented on issue #5032:
URL: https://github.com/apache/openwhisk/issues/5032#issuecomment-812119620


   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)
   ```


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