Hello, Could someone please let me know what this user-level keeper exception in zookeeper mean? and How to fix the same.
Thanks, GVK
2017-10-12 01:56:25,276 [myid:3] - INFO [CommitProcessor:3:ZooKeeperServer@687] - Established session 0x35f0e3edd390001 with negotiated timeout 15000 for client /10.138.66.12:33935 (n.leader), 0x0 (n.zxid), 0x1 (n.round), LOOKING (n.state), 3 (n.sid), 0x0 (n.peerEpoch) LEADING (my state) 2017-10-12 01:42:01,778 [myid:2] - INFO [LearnerHandler-/10.138.66.12:47249:LearnerHandler@346] - Follower sid: 3 : info : org.apache.zookeeper.server.quorum.QuorumPeer$QuorumServer@26153a56 2017-10-12 01:42:01,781 [myid:2] - INFO [LearnerHandler-/10.138.66.12:47249:LearnerHandler@401] - Synchronizing with Follower sid: 3 maxCommittedLog=0x0 minCommittedLog=0x0 peerLastZxid=0x0 2017-10-12 01:42:01,781 [myid:2] - INFO [LearnerHandler-/10.138.66.12:47249:LearnerHandler@475] - Sending SNAP 2017-10-12 01:42:01,781 [myid:2] - INFO [LearnerHandler-/10.138.66.12:47249:LearnerHandler@499] - Sending snapshot last zxid of peer is 0x0 zxid of leader is 0x100000000sent zxid of db as 0x100000000 2017-10-12 01:42:01,789 [myid:2] - INFO [LearnerHandler-/10.138.66.12:47249:LearnerHandler@535] - Received NEWLEADER-ACK message from 3 2017-10-12 01:45:39,311 [myid:2] - INFO [SyncThread:2:FileTxnLog@203] - Creating new log file: log.100000001 2017-10-12 01:45:39,645 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@486] - Processed session termination for sessionid: 0x35f0e3edd390000 2017-10-12 01:51:46,310 [myid:2] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxnFactory@192] - Accepted socket connection from /10.138.66.12:39420 2017-10-12 01:51:46,376 [myid:2] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:ZooKeeperServer@942] - Client attempting to establish new session at /10.138.66.12:39420 2017-10-12 01:51:46,389 [myid:2] - INFO [CommitProcessor:2:ZooKeeperServer@687] - Established session 0x25f0e3de4e50000 with negotiated timeout 30000 for client /10.138.66.12:39420 2017-10-12 01:51:46,470 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@486] - Processed session termination for sessionid: 0x25f0e3de4e50000 2017-10-12 01:51:46,474 [myid:2] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@1044] - Closed socket connection for client /10.138.66.12:39420 which had sessionid 0x25f0e3de4e50000 2017-10-12 01:56:24,946 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@486] - Processed session termination for sessionid: 0x15f0e3de4e10000 2017-10-12 01:56:25,307 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x7 zxid:0x10000003c txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,315 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0xd zxid:0x10000003e txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,316 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0xe zxid:0x10000003f txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,318 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x10 zxid:0x100000040 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,323 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x16 zxid:0x100000042 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,328 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x1c zxid:0x100000044 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,394 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x51 zxid:0x10000004f txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,399 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x52 zxid:0x100000050 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,401 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x54 zxid:0x100000051 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,407 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x5a zxid:0x100000053 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,408 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x5c zxid:0x100000054 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,410 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x5e zxid:0x100000055 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,418 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x60 zxid:0x100000056 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,421 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x62 zxid:0x100000057 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,422 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x64 zxid:0x100000058 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:56:25,425 [myid:2] - INFO [ProcessThread(sid:2 cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException when processing sessionid:0x35f0e3edd390001 type:create cxid:0x66 zxid:0x100000059 txntype:-1 reqpath:n/a Error Path:/overseer Error:KeeperErrorCode = NodeExists for /overseer 2017-10-12 01:42:01,758 [myid:1] - INFO [/10.138.66.12:3888:QuorumCnxManager$Listener@746] - Received connection request /10.138.66.12:54359 2017-10-12 01:42:01,761 [myid:1] - INFO [WorkerReceiver[myid=1]:FastLeaderElection@600] - Notification: 1 (message format version), 3 (n.leader), 0x0 (n.zxid), 0x1 (n.round), LOOKING (n.state), 3 (n.sid), 0x0 (n.peerEpoch) FOLLOWING (my state) 2017-10-12 01:45:39,313 [myid:1] - WARN [QuorumPeer[myid=1]/0.0.0.0:2181:Follower@118] - Got zxid 0x100000001 expected 0x1 2017-10-12 01:45:39,313 [myid:1] - INFO [SyncThread:1:FileTxnLog@203] - Creating new log file: log.100000001 2017-10-12 01:56:24,768 [myid:1] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@192] - Accepted socket connection from /10.138.66.12:52925 2017-10-12 01:56:24,821 [myid:1] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@942] - Client attempting to establish new session at /10.138.66.12:52925 2017-10-12 01:56:24,826 [myid:1] - INFO [CommitProcessor:1:ZooKeeperServer@687] - Established session 0x15f0e3de4e10000 with negotiated timeout 30000 for client /10.138.66.12:52925 2017-10-12 01:56:24,948 [myid:1] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1044] - Closed socket connection for client /10.138.66.12:52925 which had sessionid 0x15f0e3de4e10000
