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https://issues.apache.org/jira/browse/ZOOKEEPER-3758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17061643#comment-17061643
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Agostino Sarubbo commented on ZOOKEEPER-3758:
---------------------------------------------
We are using iptables-based firewall and our cloud provider does not apply any
restriction (i.e. there isn't a firewall on the cloud interface). However, we
have no rules as OUTPUT and the policy is ACCEPT, so we are not blocking
anything.
In short I can ping the others zookeeper servers from the shell.
Apart that I can try today or tomorrow your workaround
> Update from 3.5.7 to 3.6.0 does not work
> ----------------------------------------
>
> Key: ZOOKEEPER-3758
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3758
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Reporter: Agostino Sarubbo
> Assignee: Mate Szalay-Beko
> Priority: Major
>
> Hello,
> we have a cluster with 5 zookeeper servers. We tried the update from 3.5.7
> to 3.6.0 but it does not work.
> We got the following:
> {code:java}
> 2020-03-16 10:40:45,514 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):QuorumPeer@863]
> - Peer state changed: looking 2020-03-16 10:40:45,514 [myid:1] - WARN
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):QuorumPeer@1501]
> - PeerState set to LOOKING 2020-03-16 10:40:45,514 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):QuorumPeer@1371]
> - LOOKING 2020-03-16 10:40:45,514 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):FastLeaderElection@931]
> - New election. My id = 1, proposed zxid=0x0 2020-03-16 10:40:45,515
> [myid:1] - INFO
> [WorkerReceiver[myid=1]:FastLeaderElection$Messenger$WorkerReceiver@376] -
> Notification: my state:LOOKING; n.sid:1, n.state:LOOKING , n.leader:1,
> n.round:0x1b, n.peerEpoch:0x0, n.zxid:0x0, message format version:0x2,
> n.config version:0x0 2020-03-16 10:40:45,517 [myid:1] - INFO
> [WorkerReceiver[myid=1]:FastLeaderElection$Messenger$WorkerReceiver@376] -
> Notification: my state:LOOKING; n.sid:2, n.state:FOLLOWI NG, n.leader:4,
> n.round:0x1a, n.peerEpoch:0x5c, n.zxid:0x5b00000004, message format
> version:0x2, n.config version:0x0 2020-03-16 10:40:45,517 [myid:1] - INFO
> [WorkerReceiver[myid=1]:FastLeaderElection$Messenger$WorkerReceiver@376] -
> Notification: my state:LOOKING; n.sid:3, n.state:FOLLOWI NG, n.leader:4,
> n.round:0x1a, n.peerEpoch:0x5c, n.zxid:0x5b00000004, message format
> version:0x2, n.config version:0x0 2020-03-16 10:40:45,517 [myid:1] - INFO
> [WorkerReceiver[myid=1]:FastLeaderElection$Messenger$WorkerReceiver@376] -
> Notification: my state:LOOKING; n.sid:5, n.state:FOLLOWI NG, n.leader:4,
> n.round:0x1a, n.peerEpoch:0x5c, n.zxid:0x5b00000004, message format
> version:0x2, n.config version:0x0 2020-03-16 10:40:45,518 [myid:1] - INFO
> [WorkerReceiver[myid=1]:FastLeaderElection$Messenger$WorkerReceiver@376] -
> Notification: my state:LOOKING; n.sid:4, n.state:LEADING , n.leader:4,
> n.round:0x1a, n.peerEpoch:0x5c, n.zxid:0x5b00000004, message format
> version:0x2, n.config version:0x0 2020-03-16 10:40:45,518 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):QuorumPeer@857]
> - Peer state changed: following 2020-03-16 10:40:45,518 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):QuorumPeer@1453]
> - FOLLOWING 2020-03-16 10:40:45,518 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):ZooKeeperServer@1246]
> - minSessionTimeout set to 4000 2020-03-16 10:40:45,518 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):ZooKeeperServer@1255]
> - maxSessionTimeout set to 40000 2020-03-16 10:40:45,519 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):ResponseCache@45]
> - Response cache size is initialized with value 400. 2020-03-16 10:40:45,519
> [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):ResponseCache@45]
> - Response cache size is initialized with value 400. 2020-03-16 10:40:45,519
> [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):RequestPathMetricsCollector@111]
> - zookeeper.pathStats.slotCapacity = 60 2020-03-16 10:40:45,519 [myid:1] -
> INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):RequestPathMetricsCollector@112]
> - zookeeper.pathStats.slotDuration = 15 2020-03-16 10:40:45,519 [myid:1] -
> INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):RequestPathMetricsCollector@113]
> - zookeeper.pathStats.maxDepth = 6 2020-03-16 10:40:45,519 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):RequestPathMetricsCollector@114]
> - zookeeper.pathStats.initialDelay = 5 2020-03-16 10:40:45,519 [myid:1] -
> INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):RequestPathMetricsCollector@115]
> - zookeeper.pathStats.delay = 5 2020-03-16 10:40:45,519 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):RequestPathMetricsCollector@116]
> - zookeeper.pathStats.enabled = false 2020-03-16 10:40:45,519 [myid:1] -
> INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):ZooKeeperServer@1470]
> - The max bytes for all large requests are set t o 104857600 2020-03-16
> 10:40:45,519 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):ZooKeeperServer@1484]
> - The large request threshold is set to -1 2020-03-16 10:40:45,519 [myid:1]
> - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):ZooKeeperServer@329]
> - Created server with tickTime 2000 minSessionTim eout 4000
> maxSessionTimeout 40000 clientPortListenBacklog -1 datadir
> /opt/loway/zookeeper/logs/version-2 snapdir
> /opt/loway/zookeeper/data/version-2 2020-03-16 10:40:45,519 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):Follower@75] -
> FOLLOWING - LEADER ELECTION TOOK - 4 MS 2020-03-16 10:40:45,519 [myid:1] -
> INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):QuorumPeer@863]
> - Peer state changed: following - discovery 2020-03-16 10:40:46,521 [myid:1]
> - WARN
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):Follower@129] -
> Exception when following the leader java.lang.IllegalArgumentException
> at
> java.util.concurrent.ThreadPoolExecutor.<init>(ThreadPoolExecutor.java:1314)
> at
> java.util.concurrent.ThreadPoolExecutor.<init>(ThreadPoolExecutor.java:1202)
> at java.util.concurrent.Executors.newFixedThreadPool(Executors.java:89)
> at
> org.apache.zookeeper.server.quorum.Learner.connectToLeader(Learner.java:275)
> at
> org.apache.zookeeper.server.quorum.Follower.followLeader(Follower.java:87)
> at
> org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:1455)
> 2020-03-16 10:40:46,521 [myid:1] - INFO
> [QuorumPeer[myid=1](plain=0.0.0.0:2181)(secure=0.0.0.0:2281):Follower@292] -
> shutdown Follower{code}
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