ZOOKEEPER-1754. Read-only server allows to create znode (Rakesh R via fpj)



git-svn-id: https://svn.apache.org/repos/asf/zookeeper/branches/branch-3.4@1524247 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1751. ClientCnxn#run could miss the second ping or connection get dropped before a ping. (Jeffrey Zhong  via mahadev)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/branches/branch-3.4@1524274 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1657. Increased CPU usage by unnecessary SASL checks (Philip K. Warren via fpj)



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ZOOKEEPER-1753. ClientCnxn is not properly releasing the resources, which are used to ping RwServer (Rakesh R via fpj)



git-svn-id: https://svn.apache.org/repos/asf/zookeeper/branches/branch-3.4@1524387 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1096. Leader communication should listen on specified IP, not wildcard address (Jared Cantwell, German Blanco via fpj)



git-svn-id: https://svn.apache.org/repos/asf/zookeeper/branches/branch-3.4@1526313 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1696. Fail to run zookeeper client on Weblogic application server. (Jeffrey Zhong via mahadev)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/branches/branch-3.4@1526338 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-87. Follower does not shut itself down if its too far behind the leader. (German Blanco via fpj)



git-svn-id: https://svn.apache.org/repos/asf/zookeeper/branches/branch-3.4@1526461 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1603. StaticHostProviderTest testUpdateClientMigrateOrNot hangs (fpj)



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