[ZOOKEEPER-1330] Zookeeper server not serving the client request even after completion of Leader election

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 3.4.0
• Component/s: server

Environment

3 zk quorum

• Assignee: Unassigned
• Reporter: amith
• Created: 19/Dec/11 05:21
• Updated: 03/Feb/22 08:50

Description

Have a cluster of 3 zookeepers
90 clients are connected to the server
leader got killed and started
the other 2 zookeeper started FLE and Leader was elected

But its taking nearly 10 sec for this server to server requests and saying "ZooKeeperServer not running" message..?

Why is this even after Leader election SERVER IS NOT RUNNING !!!!!!!!!!

2011-12-19 16:12:29,732 [myid:2] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@354] - Exception causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not running
2011-12-19 16:12:29,733 [myid:2] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@1000] - Closed socket connection for client /10.18.47.148:51965 (no session established for client)
2011-12-19 16:12:29,753 [myid:2] - INFO [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:QuorumPeer@747] - LEADING
2011-12-19 16:12:29,762 [myid:2] - INFO [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:Leader@58] - TCP NoDelay set to: true
2011-12-19 16:12:29,765 [myid:2] - INFO [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:ZooKeeperServer@168] - Created server with tickTime 2000 minSessionTimeout 4000 maxSessionTimeout 40000 datadir ../dataDir/version-2 snapdir ../dataDir/version-2
2011-12-19 16:12:29,766 [myid:2] - INFO [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:Leader@294] - LEADING - LEADER ELECTION TOOK - 4663
2011-12-19 16:12:29,776 [myid:2] - INFO [QuorumPeer[myid=2]/0:0:0:0:0:0:0:0:2182:FileSnap@83] - Reading snapshot ../dataDir/version-2/snapshot.100013661
2011-12-19 16:12:29,831 [myid:2] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxnFactory@213] - Accepted socket connection from /10.18.47.148:51982
2011-12-19 16:12:29,831 [myid:2] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@354] - Exception causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not running
2011-12-19 16:12:29,832 [myid:2] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@1000] - Closed socket connection for client /10.18.47.148:51982 (no session established for client)
2011-12-19 16:12:29,884 [myid:2] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxnFactory@213] - Accepted socket connection from /10.18.47.148:51989
2011-12-19 16:12:29,884 [myid:2] - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2182:NIOServerCnxn@354] - Exception causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not running