[ZOOKEEPER-2975] Re connection should happen without any problem After zk server restarted

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.4.9
• Component/s: server

Environment

Zookeeper 3.4.9

Zookeeper Server ---------------- Zookeeper Client (Both are Running in same machine) 

 

 

• Flags: Important

Docs Text

1)      Create session from zk Client (Self client)
2)      Stop the zkServer where still the zk Client connected
3)      Wait for the socket to be cleared in server side
èServer side TCP session should be removed from TIME_WAIT status.
4)      Start the zkServer
5)      Now, reconnection from zkClient is denied  with below error.. .. Re connection should happen without any problem... 


2018-02-01 13:01:26 [UTC:20180201T130126+0800]|INFO ||NIOServerCxn.Factory:/10.18.14.188:2181hread|Coordination > Accepted socket connection from /10.18.14.188:51281 (NIOServerCnxnFactory.java:210)
2018-02-01 13:01:26 [UTC:20180201T130126+0800]|INFO ||NIOServerCxn.Factory:/10.18.14.188:2181hread|Coordination > Client attempting to renew ClientSeqID 0x1614faa91d90002 at /10.18.14.188:51281 (ZooKeeperServer.java:968)
2018-02-01 13:01:26 [UTC:20180201T130126+0800]|INFO ||NIOServerCxn.Factory:/10.18.14.188:2181hread|Coordination > Invalid ClientSeqID 0x1614faa91d90002 for client /10.18.14.188:51281, probably expired (ZooKeeperServer.java:687)
2018-02-01 13:01:26 [UTC:20180201T130126+0800]|INFO ||NIOServerCxn.Factory:/10.18.14.188:2181hread|Coordination > Closed socket connection for client /10.18.14.188:51281 which had ClientSeqID 0x1614faa91d90002 (NIOServerCnxn.java:1041)
2018-02-01 13:01:26 [UTC:20180201T130126+0800]|INFO ||NIOServerCxn.Factory:/10.18.14.188:2181hread|Coordination > Accepted socket connection from /10.18.14.188:51282 (NIOServerCnxnFactory.java:210)

• Assignee: Unassigned
• Reporter: Marimuthu PMS Dhavamani
• Created: 02/Feb/18 10:27
• Updated: 02/Feb/18 10:43

Description

1)      Create session from zk Client (Self client)
2)      Stop the zkServer where still the zk Client connected
3)      Wait for the socket to be cleared in server side
èServer side TCP session should be removed from TIME_WAIT status.
4)      Start the zkServer
5)      Now, re connection from ZK Client is denied ..Please analyse... Re connection should happen without any problem...