ZooKeeper 客戶端簡化，Apache Curator 2.9 發布

zookeeper 的客戶端調用過于復雜，Apache Curator 就是為了簡化zookeeper客戶端調用而生，利用它，可以更好的使用zookeeper。

Apache Curator 2.9 發布，此版本改進了 Java 庫，使得 Apache ZooKeeper 使用更簡單更可靠。

更新內容：

Bug 修復

• [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(一個嚴重的死循環錯誤)

• [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

改進

• [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

下載：http://www.apache.org/dyn/closer.cgi/curator/ 
(mirror sync times may vary)

來自：http://www.oschina.net/news/66112/apache-curator-2-9