{"action":"created","issue":{"url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/issues/168","labels_url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/issues/168/labels{/name}","comments_url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/issues/168/comments","events_url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/issues/168/events","html_url":"https://github.com/Metaswitch/clearwater-etcd/issues/168","id":102151326,"number":168,"title":"Possible backward compatibility issues between release-79 and release-73","user":{"login":"dtheobald","id":6430927,"avatar_url":"https://avatars.githubusercontent.com/u/6430927?v=3","gravatar_id":"","url":"https://api.github.com/users/dtheobald","html_url":"https://github.com/dtheobald","followers_url":"https://api.github.com/users/dtheobald/followers","following_url":"https://api.github.com/users/dtheobald/following{/other_user}","gists_url":"https://api.github.com/users/dtheobald/gists{/gist_id}","starred_url":"https://api.github.com/users/dtheobald/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dtheobald/subscriptions","organizations_url":"https://api.github.com/users/dtheobald/orgs","repos_url":"https://api.github.com/users/dtheobald/repos","events_url":"https://api.github.com/users/dtheobald/events{/privacy}","received_events_url":"https://api.github.com/users/dtheobald/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/labels/critical","name":"critical","color":"ff0000"},{"url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/labels/high-priority","name":"high-priority","color":"ff0000"}],"state":"open","locked":false,"assignee":{"login":"dtheobald","id":6430927,"avatar_url":"https://avatars.githubusercontent.com/u/6430927?v=3","gravatar_id":"","url":"https://api.github.com/users/dtheobald","html_url":"https://github.com/dtheobald","followers_url":"https://api.github.com/users/dtheobald/followers","following_url":"https://api.github.com/users/dtheobald/following{/other_user}","gists_url":"https://api.github.com/users/dtheobald/gists{/gist_id}","starred_url":"https://api.github.com/users/dtheobald/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dtheobald/subscriptions","organizations_url":"https://api.github.com/users/dtheobald/orgs","repos_url":"https://api.github.com/users/dtheobald/repos","events_url":"https://api.github.com/users/dtheobald/events{/privacy}","received_events_url":"https://api.github.com/users/dtheobald/received_events","type":"User","site_admin":false},"milestone":null,"comments":6,"created_at":"2015-08-20T14:25:57Z","updated_at":"2015-10-19T13:27:38Z","closed_at":null,"body":"I'm running both versions in the same cluster (like during an upgrade) and I see log entries like this on the older etcd(s):\r\n```\r\n2015/08/19 15:08:31 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:31 rafthttp: path msgapp/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:31 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/6b861889faf63d47 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path msgapp/6b861889faf63d47 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/6b861889faf63d47 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/6b861889faf63d47 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/6b861889faf63d47 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/6b861889faf63d47 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:32 rafthttp: path message/6b861889faf63d47 cannot be parsed\r\n2015/08/19 15:08:33 rafthttp: path message/13507c61f416f626 cannot be parsed\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 [term: 102] ignored a MsgVote message with lower term from 13507c61f416f626 [term: 2]\r\n2015/08/19 15:08:33 rafthttp: path message/6b861889faf63d47 cannot be parsed\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 is starting a new election at term 102\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 became candidate at term 103\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 received vote from 10857351533a8b29 at term 103\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 [logterm: 1, index: 6] sent vote request to 46872896cb8ee378 at term 103\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 [logterm: 1, index: 6] sent vote request to 4c8f6b90d90a98d3 at term 103\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 [logterm: 1, index: 6] sent vote request to 6b861889faf63d47 at term 103\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 [logterm: 1, index: 6] sent vote request to 9a24be9edf4d21d3 at term 103\r\n2015/08/19 15:08:33 raft: 10857351533a8b29 [logterm: 1, index: 6] sent vote request to 13507c61f416f626 at term 103\r\n2015/08/19 15:08:33 rafthttp: server streaming to 6b861889faf63d47 at term 0 has been stopped\r\n2015/08/19 15:08:33 rafthttp: server streaming to 13507c61f416f626 at term 0 has been stopped\r\n2015/08/19 15:08:33 sender: the connection with 13507c61f416f626 became active\r\n2015/08/19 15:08:33 sender: the connection with 6b861889faf63d47 became active\r\n```\r\nGenerally, the older version etcd(s) are continually issue the \"cannot be parsed\" logs.\r\n"},"comment":{"url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/issues/comments/149212877","html_url":"https://github.com/Metaswitch/clearwater-etcd/issues/168#issuecomment-149212877","issue_url":"https://api.github.com/repos/Metaswitch/clearwater-etcd/issues/168","id":149212877,"user":{"login":"dtheobald","id":6430927,"avatar_url":"https://avatars.githubusercontent.com/u/6430927?v=3","gravatar_id":"","url":"https://api.github.com/users/dtheobald","html_url":"https://github.com/dtheobald","followers_url":"https://api.github.com/users/dtheobald/followers","following_url":"https://api.github.com/users/dtheobald/following{/other_user}","gists_url":"https://api.github.com/users/dtheobald/gists{/gist_id}","starred_url":"https://api.github.com/users/dtheobald/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dtheobald/subscriptions","organizations_url":"https://api.github.com/users/dtheobald/orgs","repos_url":"https://api.github.com/users/dtheobald/repos","events_url":"https://api.github.com/users/dtheobald/events{/privacy}","received_events_url":"https://api.github.com/users/dtheobald/received_events","type":"User","site_admin":false},"created_at":"2015-10-19T13:27:38Z","updated_at":"2015-10-19T13:27:38Z","body":"The last time I tried V7 & V8 together, it seemed to work, so I don't know what I was seeing originally."}}