Apache Curator 2.9 发布，此版本改进了 Java 库，使得 Apache ZooKeeper 使用更简单更可靠。 更新内容： Bug 修复 [CURATOR-167] - All registered watchers should be cleared on close [CURATOR-218] - Race condition in client.blockUntilConnected() [CURATOR-224] - Locking Not Working with DistributedIdQueue [CURATOR-228] - A serious death cycle error(一个严重的死循环错误) [CURATOR-231] - TestDistributedQueue.testRetryAfterFailure_Curator56 fails [CURATOR-234] - Add test logging back to modules [CURATOR-235] - LeaderSelector.internalRequeue should be private [CURATOR-236] - TreeCache throws IllegalArgumentException when node is a substring of the requested path [CURATOR-240] - Severe memory leak in TreeCache when path does not exist [CURATOR-241] - PersistentEphemeralNode writes initial data on reconnect [CURATOR-242] - TestDistributedQueue.testCustomExecutor() is failing [CURATOR-243] - TestDistributedIdQueue.testRequeuingWithLock is failing [CURATOR-254] - TestBoundedDistributedQueue:testMulti fails intermittently 改进 [CURATOR-129] - Two of PathChildrenCache's constructors need better doc [CURATOR-223] - PathChildrenCache (wastefully) creates a thread per monitored node. 新特性 [CURATOR-222] - Support Container Nodes 下载：http://www.apache.org/dyn/closer.cgi/curator/ (mirror sync times may vary) zookeeper 的客户端调用过于复杂，Apache Curator 就是为了简化zookeeper客户端调用而生，利用它，可以更好的使用zookeeper。 Apache Curator 2.9 发布，ZooKeeper 客户端简化下载地址
