after migration from Hazelcast 3.2.4 to 3.5 the server is not accepting connections.
INFO: [172.17.4.243]:6722 [testteam2] [3.5] Accepting socket connection from /
127.0.0.1:57632Jul 1, 2015 1:44:03 PM com.hazelcast.nio.tcp.TcpIpConnectionManager
INFO: [172.17.4.243]:6722 [testteam2] [3.5] Established socket connection between /
127.0.0.1:6722Jul 1, 2015 1:44:03 PM com.hazelcast.nio.tcp.TcpIpConnection
INFO: [172.17.4.243]:6722 [testteam2] [3.5] Connection [/
127.0.0.1:57632] lost. Reason: java.io.EOFException[Remote socket closed!]
Jul 1, 2015 1:44:03 PM com.hazelcast.nio.tcp.ReadHandler
WARNING: [172.17.4.243]:6722 [testteam2] [3.5] hz._hzInstance_1_testteam2.IO.thread-in-0 Closing socket to endpoint null, Cause:java.io.EOFException: Remote socket closed!