Gentle Ping! I noticed I forgot to mention that we are using java api for zk client. In case it makes a difference.
Thanks, Gokturk > On Jul 12, 2019, at 4:33 PM, Göktürk Gezer <[email protected]> wrote: > > Hi Everyone, > I recently bumped zookeeper client version to 3.5.5 in order to make use of > new constructor with ZKClientConfig. (Via curator 4.2.0) > This apparently broke communicating with older ZK server at version 3.4.9. Is > this expected? > > Client traces: > ClientCnxn - Opening socket connection to server > ReplicationFt-masters-1/172.31.20.201:2181. Will not attempt to authenticate > using SASL (unknown error) > 2019-07-12 23:20:30,875 INFO ClientCnxn - Socket connection established, > initiating session, client: /172.31.20.201:50028, server: > ReplicationFt-masters-1/172.31.20.201:2181 > 2019-07-12 23:20:30,876 INFO ClientCnxn - Session establishment complete on > server ReplicationFt-masters-1/172.31.20.201:2181, sessionid = > 0x16be87b7d400004, negotiated timeout = 40000 > 2019-07-12 23:20:30,876 INFO ConnectionStateManager - State change: > RECONNECTED > 2019-07-12 23:20:30,877 INFO ClientCnxn - Unable to read additional data > from server sessionid 0x16be87b7d400004, likely server has closed socket, > closing socket connection and attempting reconnect > 2019-07-12 23:20:30,978 INFO ConnectionStateManager - State change: SUSPENDED > 2019-07-12 23:20:32,724 INFO ClientCnxn - Opening socket connection to > server ReplicationFt-masters-1/172.31.20.201:2181. Will not attempt to > authenticate using SASL (unknown error) > 2019-07-12 23:20:32,724 INFO ClientCnxn - Socket connection established, > initiating session, client: /172.31.20.201:50030, server: > ReplicationFt-masters-1/172.31.20.201:2181 > 2019-07-12 23:20:32,725 INFO ClientCnxn - Session establishment complete on > server ReplicationFt-masters-1/172.31.20.201:2181, sessionid = > 0x16be87b7d400004, negotiated timeout = 40000 > 2019-07-12 23:20:32,725 INFO ConnectionStateManager - State change: > RECONNECTED > 2019-07-12 23:20:32,726 INFO AbstractPrimarySelector - Primary selector > transitioning to SECONDARY > 2019-07-12 23:20:32,727 INFO ClientCnxn - Unable to read additional data > from server sessionid 0x16be87b7d400004, likely server has closed socket, > closing socket connection and attempting reconnect > 2019-07-12 23:20:32,827 INFO ConnectionStateManager - State change: SUSPENDED > 2019-07-12 23:20:34,412 INFO ClientCnxn - Opening socket connection to > server ReplicationFt-masters-1/172.31.20.201:2181. Will not attempt to > authenticate using SASL (unknown error) > 2019-07-12 23:20:34,412 INFO ClientCnxn - Socket connection established, > initiating session, client: /172.31.20.201:50032, server: > ReplicationFt-masters-1/172.31.20.201:2181 > 2019-07-12 23:20:34,413 INFO ClientCnxn - Session establishment complete on > server ReplicationFt-masters-1/172.31.20.201:2181, sessionid = > 0x16be87b7d400004, negotiated timeout = 40000 > 2019-07-12 23:20:34,413 INFO ConnectionStateManager - State change: > RECONNECTED > 2019-07-12 23:20:34,414 INFO ClientCnxn - Unable to read additional data > from server sessionid 0x16be87b7d400004, likely server has closed socket, > closing socket connection and attempting reconnect > > Server traces: > 2019-07-12 23:20:56,564 [myid:] - INFO > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - > Accepted socket connection from /172.31.20.201:50092 > 2019-07-12 23:20:56,564 [myid:] - INFO > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@921] - Client > attempting to renew session 0x16be87b7d400004 at /172.31.20.201:50092 > 2019-07-12 23:20:56,565 [myid:] - INFO > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@673] - Established > session 0x16be87b7d400004 with negotiated timeout 40000 for client > /172.31.20.201:50092 > 2019-07-12 23:20:56,566 [myid:] - WARN > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@735] - Received > packet at server of unknown type 15 > 2019-07-12 23:20:56,566 [myid:] - INFO > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed > socket connection for client /172.31.20.201:50092 which had sessionid > 0x16be87b7d400004 > 2019-07-12 23:20:56,566 [myid:] - ERROR [SyncThread:0:NIOServerCnxn@178] - > Unexpected Exception: > java.nio.channels.CancelledKeyException > at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73) > at sun.nio.ch.SelectionKeyImpl.interestOps(SelectionKeyImpl.java:77) > at > org.apache.zookeeper.server.NIOServerCnxn.sendBuffer(NIOServerCnxn.java:151) > at > org.apache.zookeeper.server.NIOServerCnxn.sendResponse(NIOServerCnxn.java:1082) > at > org.apache.zookeeper.server.FinalRequestProcessor.processRequest(FinalRequestProcessor.java:391) > at > org.apache.zookeeper.server.SyncRequestProcessor.run(SyncRequestProcessor.java:169) > 2019-07-12 23:20:57,752 [myid:] - INFO > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - > Accepted socket connection from /172.31.20.201:50094 > 2019-07-12 23:20:57,753 [myid:] - INFO > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@921] - Client > attempting to renew session 0x16be87b7d400004 at /172.31.20.201:50094 > 2019-07-12 23:20:57,753 [myid:] - INFO > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@673] - Established > session 0x16be87b7d400004 with negotiated timeout 40000 for client > /172.31.20.201:50094 > 2019-07-12 23:20:57,754 [myid:] - WARN > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@735] - Received > packet at server of unknown type 15 > 2019-07-12 23:20:57,755 [myid:] - INFO > [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1008] - Closed > socket connection for client /172.31.20.201:50094 which had sessionid > 0x16be87b7d400004 > > > Thanks, > Gokturk
