发布于 2014-11-04 08:51:58 | 332 次阅读 | 评论: 0 | 来源: 网友投递
Apache Curator
Curator提供了对zookeeper客户端的封装，并监控连接状态和会话session，特别是会话session过期后，curator能够重新连接zookeeper，并且创建一个新的session。
Apache Curator 2.7.0 发布，此版本现已提供下载，二进制包提供在 Maven 库。更新内容请看这里：
[CURATOR-42] - Background guaranteed delete considers NoNode to be a failed delete, and retries it
[CURATOR-67] - Issue with default JSONInstanceSerializer for discovery service builder
[CURATOR-71] - Error message in StandardLockInternalsDriver for retryable lock acquire error
[CURATOR-79] - InterProcessMutex doesn't clean up after interrupt
[CURATOR-119] - Remove explicit year from Appendix in LICENSE files
[CURATOR-121] - PathChildrenCache is throwing an InterruptedException when being closed
[CURATOR-123] - ConnectionStateListener advertises READ_ONLY instead of CONNECTED the first time around
[CURATOR-126] - IllegalStateException in performBackgroundOperation during close
[CURATOR-127] - Fix trivial warnings
[CURATOR-128] - Enhance ZKPaths to be more lenient
[CURATOR-130] - Some examples may throw NPE on end of input
[CURATOR-131] - Should not modify collection while iterating over it
[CURATOR-132] - setACL doesn't work with namespaced curator
[CURATOR-136] - Invalid LeaderLatch path never errors
[CURATOR-137] - BaseTestTreeCache does not compile using Java 6
[CURATOR-139] - Add slf4j logging implementation to test scope
[CURATOR-141] - Avoid confusing error logging when PathChildrenCache and curator client are closed.
[CURATOR-149] - ChildData's path check prevents the initialization of PathChildrenCache class
[CURATOR-155] - PersistentEphemeralNode doesn't update data with sequence or protected mode
[CURATOR-156] - A typo error in "PathCacheExample"
[CURATOR-6] - JavaDoc in com.netflix.curator.framework.state.ConnectionState isn't clear
[CURATOR-33] - Recursive Node Cache
[CURATOR-118] - Streamline release process by adding configuration to the pom
[CURATOR-124] - PathChildrenCache StartMode documentation improvement
[CURATOR-142] - Make surefire forkCount configurable
[CURATOR-143] - Introduce a max depth setting for TreeCache
[CURATOR-147] - Avoid internal use of deprecated APIs
[CURATOR-151] - SharedValue has limited utility but can be improved
[CURATOR-84] - More flexibility for InterProcessMutex extensions
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。