{"action":"created","issue":{"url":"https://api.github.com/repos/hazelcast/hazelcast/issues/6040","labels_url":"https://api.github.com/repos/hazelcast/hazelcast/issues/6040/labels{/name}","comments_url":"https://api.github.com/repos/hazelcast/hazelcast/issues/6040/comments","events_url":"https://api.github.com/repos/hazelcast/hazelcast/issues/6040/events","html_url":"https://github.com/hazelcast/hazelcast/issues/6040","id":102456938,"number":6040,"title":"Frequent warning in log, Packet versions are not matching! Expected -> 4, Incoming -> 3","user":{"login":"zeedeveloper","id":3220225,"avatar_url":"https://avatars.githubusercontent.com/u/3220225?v=3","gravatar_id":"","url":"https://api.github.com/users/zeedeveloper","html_url":"https://github.com/zeedeveloper","followers_url":"https://api.github.com/users/zeedeveloper/followers","following_url":"https://api.github.com/users/zeedeveloper/following{/other_user}","gists_url":"https://api.github.com/users/zeedeveloper/gists{/gist_id}","starred_url":"https://api.github.com/users/zeedeveloper/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zeedeveloper/subscriptions","organizations_url":"https://api.github.com/users/zeedeveloper/orgs","repos_url":"https://api.github.com/users/zeedeveloper/repos","events_url":"https://api.github.com/users/zeedeveloper/events{/privacy}","received_events_url":"https://api.github.com/users/zeedeveloper/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-08-21T20:36:03Z","updated_at":"2015-08-22T10:34:40Z","closed_at":null,"body":"Just upgraded to 3.5.2-SNAPShot from 3.4, seeing large no of warning messages \r\n\r\n```\r\n2015-08-21 08:40:13,594 - [warn] c.h.n.t.ReadHandler - [172.24.6.18]:5100 [stage] [3.5.2-SNAPSHOT] hz._hzInstance_1_stage.IO.thread-in-2 Closing socket to endpoint null, Cause:java.lang.IllegalArgumentException: Packet versions are not matching! Expected -> 4, Incoming -> 3\r\n         at com.hazelcast.nio.Packet.readVersion(Packet.java:187) ~[com.hazelcast.hazelcast-3.5.2-SNAPSHOT.jar:3.5.2-SNAPSHOT]\r\n        at com.hazelcast.nio.Packet.readFrom(Packet.java:153) ~[com.hazelcast.hazelcast-3.5.2-SNAPSHOT.jar:3.5.2-SNAPSHOT]\r\n        at com.hazelcast.nio.tcp.DefaultPacketReader.readPacket(DefaultPacketReader.java:44) ~[com.hazelcast.hazelcast-3.5.2-SNAPSHOT.jar:3.5.2-SNAPSHOT]\r\n        at com.hazelcast.nio.tcp.SocketPacketReader.read(SocketPacketReader.java:41) ~[com.hazelcast.hazelcast-3.5.2-SNAPSHOT.jar:3.5.2-SNAPSHOT]\r\n        at com.hazelcast.nio.tcp.ReadHandler.handle(ReadHandler.java:113) ~[com.hazelcast.hazelcast-3.5.2-SNAPSHOT.jar:3.5.2-SNAPSHOT]\r\n        at com.hazelcast.nio.tcp.InSelectorImpl.handleSelectionKey(InSelectorImpl.java:49) [com.hazelcast.hazelcast-3.5.2-SNAPSHOT.jar:3.5.2-SNAPSHOT]\r\n        at com.hazelcast.nio.tcp.AbstractIOSelector.handleSelectionKeys(AbstractIOSelector.java:168) [com.hazelcast.hazelcast-3.5.2-SNAPSHOT.jar:3.5.2-SNAPSHOT]\r\n        at com.hazelcast.nio.tcp.AbstractIOSelector.run(AbstractIOSelector.java:141) [com.hazelcast.hazelcast-3.5.2-SNAPSHOT.jar:3.5.2-SNAPSHOT]\r\n```"},"comment":{"url":"https://api.github.com/repos/hazelcast/hazelcast/issues/comments/133676315","html_url":"https://github.com/hazelcast/hazelcast/issues/6040#issuecomment-133676315","issue_url":"https://api.github.com/repos/hazelcast/hazelcast/issues/6040","id":133676315,"user":{"login":"pveentjer","id":105243,"avatar_url":"https://avatars.githubusercontent.com/u/105243?v=3","gravatar_id":"","url":"https://api.github.com/users/pveentjer","html_url":"https://github.com/pveentjer","followers_url":"https://api.github.com/users/pveentjer/followers","following_url":"https://api.github.com/users/pveentjer/following{/other_user}","gists_url":"https://api.github.com/users/pveentjer/gists{/gist_id}","starred_url":"https://api.github.com/users/pveentjer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pveentjer/subscriptions","organizations_url":"https://api.github.com/users/pveentjer/orgs","repos_url":"https://api.github.com/users/pveentjer/repos","events_url":"https://api.github.com/users/pveentjer/events{/privacy}","received_events_url":"https://api.github.com/users/pveentjer/received_events","type":"User","site_admin":false},"created_at":"2015-08-22T10:34:40Z","updated_at":"2015-08-22T10:34:40Z","body":"First observation; we should not a stacktrace here. \r\n\r\nDo some member have 3.5 and others have 3.4? Afaik the packet version has been changed in 3.5 from 3 to 4."}}