[jira] [Commented] (ZOOKEEPER-2938) Peer with smallest id is unable to join quorum after connection broken to other peers
[ https://issues.apache.org/jira/browse/ZOOKEEPER-2938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16370875#comment-16370875 ] Abhay Bothra commented on ZOOKEEPER-2938: - On our other quorum peers, we see a lot of connections in CLOSE_WAIT state to port 4181. Could these somehow prevent the quorum peer from processing leader election messages from the affected peer? > Peer with smallest id is unable to join quorum after connection broken to > other peers > - > > Key: ZOOKEEPER-2938 > URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2938 > Project: ZooKeeper > Issue Type: Bug >Affects Versions: 3.4.6 >Reporter: Abhay Bothra >Priority: Major > > We see the following logs in the node with {{myid: 1}} > {code} > 2017-11-08 15:06:28,375 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:06:28,375 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > 2017-11-08 15:07:28,375 [myid:1] - INFO > [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message > format version), 1 (n.leader), 0x28e000a8750 (n.zxid), 0x1 (n.round), LOOKING > (n.state), 1 (n.sid), 0x28e (n.peerEpoch) LOOKING (my state) > 2017-11-08 15:07:28,375 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:07:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > 2017-11-08 15:08:28,375 [myid:1] - INFO > [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message > format version), 1 (n.leader), 0x28e000a8750 (n.zxid), 0x1 (n.round), LOOKING > (n.state), 1 (n.sid), 0x28e (n.peerEpoch) LOOKING (my state) > 2017-11-08 15:08:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:08:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > 2017-11-08 15:09:28,376 [myid:1] - INFO > [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message > format version), 1 (n.leader), 0x28e000a8750 (n.zxid), 0x1 (n.round), LOOKING > (n.state), 1 (n.sid), 0x28e (n.peerEpoch) LOOKING (my state) > 2017-11-08 15:09:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:09:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > 2017-11-08 15:10:28,376 [myid:1] - INFO > [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message > format version), 1 (n.leader), 0x28e000a8750 (n.zxid), 0x1 (n.round), LOOKING > (n.state), 1 (n.sid), 0x28e (n.peerEpoch) LOOKING (my state) > 2017-11-08 15:10:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:10:28,377 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > {code} > On the nodes with {{myid: 2}} and {{myid: 3}}, we see connection broken > events for {{myid: 1}} > {code} > 2017-11-07 02:54:32,135 [myid:2] - WARN > [RecvWorker:1:QuorumCnxManager$RecvWorker@780] - Connection broken for id 1, > my id = 2, error = > java.net.SocketException: Connection reset > at java.net.SocketInputStream.read(SocketInputStream.java:209) > at java.net.SocketInputStream.read(SocketInputStream.java:141) > at java.net.SocketInputStream.read(SocketInputStream.java:223) > at java.io.DataInputStream.readInt(DataInputStream.java:387) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager$RecvWorker.run(QuorumCnxManager.java:765) > 2017-11-07 02:54:32,135 [myid:2] - WARN > [RecvWorker:1:QuorumCnxManager$RecvWorker@783] - Interrupting SendWorker > 2017-11-07 02:54:32,135 [myid:2] - WARN > [SendWorker:1:QuorumCnxManager$SendWorker@697] - Interrupted while waiting > for message on queue > java.lang.InterruptedException > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:2014) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2088) > at > java.util.concurrent.ArrayBl
[jira] [Commented] (ZOOKEEPER-2938) Peer with smallest id is unable to join quorum after connection broken to other peers
[ https://issues.apache.org/jira/browse/ZOOKEEPER-2938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361076#comment-16361076 ] Adam J Shook commented on ZOOKEEPER-2938: - We are experiencing this as well, but the node that continually drops the connection does not have the smallest {{myid}} – here it is 6 but 5 is the smallest (5, 6, 7 are the IDs). ZooKeeper 3.4.6. {code:java} 2018-02-12 16:29:48,428 [myid:6] - INFO [Thread-1:QuorumCnxManager$Listener@504] - My election bind port: /10.122.11.104: 2018-02-12 16:29:48,440 [myid:6] - INFO [QuorumPeer[myid=6]/0.0.0.0::QuorumPeer@714] - LOOKING 2018-02-12 16:29:48,443 [myid:6] - INFO [QuorumPeer[myid=6]/0.0.0.0::FastLeaderElection@815] - New election. My id = 6, proposed zxid=0x1b00653e67 2018-02-12 16:29:48,453 [myid:6] - INFO [WorkerSender[myid=6]:QuorumCnxManager@193] - Have smaller server identifier, so dropping the connection: (7, 6) 2018-02-12 16:29:48,453 [myid:6] - INFO [WorkerReceiver[myid=6]:FastLeaderElection@597] - Notification: 1 (message format version), 6 (n.leader), 0x1b00653e67 (n.zxid), 0x1 (n.round), LOOKING (n.state), 6 ( n.sid), 0x1b (n.peerEpoch) LOOKING (my state) 2018-02-12 16:29:48,657 [myid:6] - INFO [QuorumPeer[myid=6]/0.0.0.0::FastLeaderElection@849] - Notification time out: 400 2018-02-12 16:29:48,657 [myid:6] - INFO [WorkerReceiver[myid=6]:FastLeaderElection@597] - Notification: 1 (message format version), 6 (n.leader), 0x1b00653e67 (n.zxid), 0x1 (n.round), LOOKING (n.state), 6 ( n.sid), 0x1b (n.peerEpoch) LOOKING (my state) 2018-02-12 16:29:48,658 [myid:6] - INFO [WorkerSender[myid=6]:QuorumCnxManager@193] - Have smaller server identifier, so dropping the connection: (7, 6) 2018-02-12 16:29:49,058 [myid:6] - INFO [QuorumPeer[myid=6]/0.0.0.0::FastLeaderElection@849] - Notification time out: 800 2018-02-12 16:29:49,058 [myid:6] - INFO [WorkerReceiver[myid=6]:FastLeaderElection@597] - Notification: 1 (message format version), 6 (n.leader), 0x1b00653e67 (n.zxid), 0x1 (n.round), LOOKING (n.state), 6 ( n.sid), 0x1b (n.peerEpoch) LOOKING (my state) 2018-02-12 16:29:49,859 [myid:6] - INFO [QuorumPeer[myid=6]/0.0.0.0::FastLeaderElection@849] - Notification time out: 1600 2018-02-12 16:29:50,058 [myid:6] - INFO [WorkerSender[myid=6]:QuorumCnxManager@193] - Have smaller server identifier, so dropping the connection: (7, 6) 2018-02-12 16:29:50,059 [myid:6] - INFO [WorkerReceiver[myid=6]:FastLeaderElection@597] - Notification: 1 (message format version), 6 (n.leader), 0x1b00653e67 (n.zxid), 0x1 (n.round), LOOKING (n.state), 6 ( n.sid), 0x1b (n.peerEpoch) LOOKING (my state) 2018-02-12 16:29:50,059 [myid:6] - INFO [WorkerSender[myid=6]:QuorumCnxManager@193] - Have smaller server identifier, so dropping the connection: (7, 6) 2018-02-12 16:29:51,660 [myid:6] - INFO [QuorumPeer[myid=6]/0.0.0.0::FastLeaderElection@849] - Notification time out: 3200 2018-02-12 16:29:51,660 [myid:6] - INFO [WorkerReceiver[myid=6]:FastLeaderElection@597] - Notification: 1 (message format version), 6 (n.leader), 0x1b00653e67 (n.zxid), 0x1 (n.round), LOOKING (n.state), 6 ( n.sid), 0x1b (n.peerEpoch) LOOKING (my state) 2018-02-12 16:29:51,660 [myid:6] - INFO [WorkerSender[myid=6]:QuorumCnxManager@193] - Have smaller server identifier, so dropping the connection: (7, 6) 2018-02-12 16:29:54,861 [myid:6] - INFO [QuorumPeer[myid=6]/0.0.0.0::FastLeaderElection@849] - Notification time out: 6400 2018-02-12 16:29:54,861 [myid:6] - INFO [WorkerReceiver[myid=6]:FastLeaderElection@597] - Notification: 1 (message format version), 6 (n.leader), 0x1b00653e67 (n.zxid), 0x1 (n.round), LOOKING (n.state), 6 ( n.sid), 0x1b (n.peerEpoch) LOOKING (my state) 2018-02-12 16:29:54,862 [myid:6] - INFO [WorkerSender[myid=6]:QuorumCnxManager@193] - Have smaller server identifier, so dropping the connection: (7, 6) 2018-02-12 16:30:01,262 [myid:6] - INFO [QuorumPeer[myid=6]/0.0.0.0::FastLeaderElection@849] - Notification time out: 12800 2018-02-12 16:30:01,263 [myid:6] - INFO [WorkerReceiver[myid=6]:FastLeaderElection@597] - Notification: 1 (message format version), 6 (n.leader), 0x1b00653e67 (n.zxid), 0x1 (n.round), LOOKING (n.state), 6 ( n.sid), 0x1b (n.peerEpoch) LOOKING (my state) 2018-02-12 16:30:01,263 [myid:6] - INFO [WorkerSender[myid=6]:QuorumCnxManager@193] - Have smaller server identifier, so dropping the connection: (7, 6) 2018-02-12 16:30:02,050 [myid:6] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0::NIOServerCnxnFactory@197] - Accepted socket connection from /127.0.0.1:54541 2018-02-12 16:30:02,057 [myid:6] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0::NIOServerCnxn@827] - Processing ruok command from /127.0.0.1:54541 2018-02-12 16:30:02,060 [myid:6] - INFO [Thread-2:NIOServerCnxn@1007] - Closed socket connection for client /127.0.0.1:54541 (no session established
[jira] [Commented] (ZOOKEEPER-2938) Peer with smallest id is unable to join quorum after connection broken to other peers
[ https://issues.apache.org/jira/browse/ZOOKEEPER-2938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16245047#comment-16245047 ] Abhay Bothra commented on ZOOKEEPER-2938: - We're also wondering if this could be related to ZOOKEEPER-1732 > Peer with smallest id is unable to join quorum after connection broken to > other peers > - > > Key: ZOOKEEPER-2938 > URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2938 > Project: ZooKeeper > Issue Type: Bug >Affects Versions: 3.4.6 >Reporter: Abhay Bothra > > We see the following logs in the node with {{myid: 1}} > {code} > 2017-11-08 15:06:28,375 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:06:28,375 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > 2017-11-08 15:07:28,375 [myid:1] - INFO > [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message > format version), 1 (n.leader), 0x28e000a8750 (n.zxid), 0x1 (n.round), LOOKING > (n.state), 1 (n.sid), 0x28e (n.peerEpoch) LOOKING (my state) > 2017-11-08 15:07:28,375 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:07:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > 2017-11-08 15:08:28,375 [myid:1] - INFO > [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message > format version), 1 (n.leader), 0x28e000a8750 (n.zxid), 0x1 (n.round), LOOKING > (n.state), 1 (n.sid), 0x28e (n.peerEpoch) LOOKING (my state) > 2017-11-08 15:08:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:08:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > 2017-11-08 15:09:28,376 [myid:1] - INFO > [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message > format version), 1 (n.leader), 0x28e000a8750 (n.zxid), 0x1 (n.round), LOOKING > (n.state), 1 (n.sid), 0x28e (n.peerEpoch) LOOKING (my state) > 2017-11-08 15:09:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:09:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > 2017-11-08 15:10:28,376 [myid:1] - INFO > [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message > format version), 1 (n.leader), 0x28e000a8750 (n.zxid), 0x1 (n.round), LOOKING > (n.state), 1 (n.sid), 0x28e (n.peerEpoch) LOOKING (my state) > 2017-11-08 15:10:28,376 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (2, 1) > 2017-11-08 15:10:28,377 [myid:1] - INFO > [WorkerSender[myid=1]:QuorumCnxManager@193] - Have smaller server identifier, > so dropping the connection: (3, 1) > {code} > On the nodes with {{myid: 2}} and {{myid: 3}}, we see connection broken > events for {{myid: 1}} > {code} > 2017-11-07 02:54:32,135 [myid:2] - WARN > [RecvWorker:1:QuorumCnxManager$RecvWorker@780] - Connection broken for id 1, > my id = 2, error = > java.net.SocketException: Connection reset > at java.net.SocketInputStream.read(SocketInputStream.java:209) > at java.net.SocketInputStream.read(SocketInputStream.java:141) > at java.net.SocketInputStream.read(SocketInputStream.java:223) > at java.io.DataInputStream.readInt(DataInputStream.java:387) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager$RecvWorker.run(QuorumCnxManager.java:765) > 2017-11-07 02:54:32,135 [myid:2] - WARN > [RecvWorker:1:QuorumCnxManager$RecvWorker@783] - Interrupting SendWorker > 2017-11-07 02:54:32,135 [myid:2] - WARN > [SendWorker:1:QuorumCnxManager$SendWorker@697] - Interrupted while waiting > for message on queue > java.lang.InterruptedException > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:2014) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2088) > at > java.util.concurrent.ArrayBlockingQueue.poll(ArrayBlockingQueue.java:418) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager.pollSendQueue(QuorumCnxManager.java:849) >