关于Curator学习过程问题_maxretries too large (30). pinning to 29

作者：知新_RL | 2024-06-05 02:23:20

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maxretries too large (30). pinning to 29

今天在学习Curator框架，查询了很多别人的例子照写都报错。然后上Curator（http://curator.apache.org/index.html）官网去看example，还是不行，一直报这个错。百思不得其解。


<span style="font-size:24px;">18:08:45.069 [main] WARN  o.a.c.retry.ExponentialBackoffRetry - maxRetries too large (2147483647). Pinning to 29
18:08:47.561 [main] INFO  o.a.c.f.imps.CuratorFrameworkImpl - Starting
18:08:47.563 [main] DEBUG o.a.curator.CuratorZookeeperClient - Starting
18:08:47.563 [main] DEBUG org.apache.curator.ConnectionState - Starting
18:08:47.563 [main] DEBUG org.apache.curator.ConnectionState - reset
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.1-alpha-1693007, built on 07/28/2015 07:19 GMT
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:host.name=BSS-KEVINXIAO.ucloudlink.com
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.7.0_06
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.home=C:\Program Files\Java\jdk1.7.0_06\jre
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=C:\Users\xiaojiahao\workspace\spring.boot\target\classes;D:\work_soft\repository\org\springframework\boot\spring-boot-starter-web\1.3.3.RELEASE\spring-boot-starter-web-1.3.3.RELEASE.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-starter\1.3.3.RELEASE\spring-boot-starter-1.3.3.RELEASE.jar;D:\work_soft\repository\org\springframework\boot\spring-boot\1.3.3.RELEASE\spring-boot-1.3.3.RELEASE.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-autoconfigure\1.3.3.RELEASE\spring-boot-autoconfigure-1.3.3.RELEASE.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-starter-logging\1.3.3.RELEASE\spring-boot-starter-logging-1.3.3.RELEASE.jar;D:\work_soft\repository\ch\qos\logback\logback-classic\1.1.5\logback-classic-1.1.5.jar;D:\work_soft\repository\ch\qos\logback\logback-core\1.1.5\logback-core-1.1.5.jar;D:\work_soft\repository\org\slf4j\jcl-over-slf4j\1.7.16\jcl-over-slf4j-1.7.16.jar;D:\work_soft\repository\org\slf4j\jul-to-slf4j\1.7.16\jul-to-slf4j-1.7.16.jar;D:\work_soft\repository\org\slf4j\log4j-over-slf4j\1.7.16\log4j-over-slf4j-1.7.16.jar;D:\work_soft\repository\org\yaml\snakeyaml\1.16\snakeyaml-1.16.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-starter-tomcat\1.3.3.RELEASE\spring-boot-starter-tomcat-1.3.3.RELEASE.jar;D:\work_soft\repository\org\apache\tomcat\embed\tomcat-embed-core\8.0.32\tomcat-embed-core-8.0.32.jar;D:\work_soft\repository\org\apache\tomcat\embed\tomcat-embed-el\8.0.32\tomcat-embed-el-8.0.32.jar;D:\work_soft\repository\org\apache\tomcat\embed\tomcat-embed-logging-juli\8.0.32\tomcat-embed-logging-juli-8.0.32.jar;D:\work_soft\repository\org\apache\tomcat\embed\tomcat-embed-websocket\8.0.32\tomcat-embed-websocket-8.0.32.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-starter-validation\1.3.3.RELEASE\spring-boot-starter-validation-1.3.3.RELEASE.jar;D:\work_soft\repository\org\hibernate\hibernate-validator\5.2.4.Final\hibernate-validator-5.2.4.Final.jar;D:\work_soft\repository\javax\validation\validation-api\1.1.0.Final\validation-api-1.1.0.Final.jar;D:\work_soft\repository\org\jboss\logging\jboss-logging\3.3.0.Final\jboss-logging-3.3.0.Final.jar;D:\work_soft\repository\com\fasterxml\classmate\1.1.0\classmate-1.1.0.jar;D:\work_soft\repository\com\fasterxml\jackson\core\jackson-databind\2.6.5\jackson-databind-2.6.5.jar;D:\work_soft\repository\com\fasterxml\jackson\core\jackson-annotations\2.6.5\jackson-annotations-2.6.5.jar;D:\work_soft\repository\com\fasterxml\jackson\core\jackson-core\2.6.5\jackson-core-2.6.5.jar;D:\work_soft\repository\org\springframework\spring-web\4.2.5.RELEASE\spring-web-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-aop\4.2.5.RELEASE\spring-aop-4.2.5.RELEASE.jar;D:\work_soft\repository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar;D:\work_soft\repository\org\springframework\spring-webmvc\4.2.5.RELEASE\spring-webmvc-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-expression\4.2.5.RELEASE\spring-expression-4.2.5.RELEASE.jar;D:\work_soft\repository\org\quartz-scheduler\quartz\2.1.1\quartz-2.1.1.jar;D:\work_soft\repository\c3p0\c3p0\0.9.1.1\c3p0-0.9.1.1.jar;D:\work_soft\repository\org\slf4j\slf4j-api\1.7.16\slf4j-api-1.7.16.jar;D:\work_soft\repository\org\springframework\spring-context-support\4.2.5.RELEASE\spring-context-support-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-beans\4.2.5.RELEASE\spring-beans-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-context\4.2.5.RELEASE\spring-context-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-core\4.2.5.RELEASE\spring-core-4.2.5.RELEASE.jar;D:\work_soft\repository\org\apache\curator\curator-recipes\3.1.0\curator-recipes-3.1.0.jar;D:\work_soft\repository\org\apache\curator\curator-framework\3.0.0\curator-framework-3.0.0.jar;D:\work_soft\repository\org\apache\curator\curator-client\3.0.0\curator-client-3.0.0.jar;D:\work_soft\repository\org\apache\zookeeper\zookeeper\3.5.1-alpha\zookeeper-3.5.1-alpha.jar;D:\work_soft\repository\commons-cli\commons-cli\1.2\commons-cli-1.2.jar;D:\work_soft\repository\log4j\log4j\1.2.17\log4j-1.2.17.jar;D:\work_soft\repository\io\netty\netty\3.7.0.Final\netty-3.7.0.Final.jar;D:\work_soft\repository\net\java\dev\javacc\javacc\5.0\javacc-5.0.jar;D:\work_soft\repository\com\google\guava\guava\16.0.1\guava-16.0.1.jar
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=C:\Program Files\Java\jdk1.7.0_06\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files (x86)/Java/jre6/bin/client;C:/Program Files (x86)/Java/jre6/bin;C:/Program Files (x86)/Java/jre6/lib/i386;C:\Program Files (x86)\Common Files\NetSarang;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\TortoiseSVN\bin;C:\Program Files\MongoDB\Server\3.0\bin;D:\apache-maven-3.2.1\bin;C:\Program Files\Java\jdk1.7.0_06\bin;C:\Program Files\Java\jdk1.7.0_06\jre\bin;;E:\eclipse;;C:\Windows\SysWOW64\woc\;.
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=C:\Users\XIAOJI~1\AppData\Local\Temp\
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.name=Windows 7
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.version=6.1
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:user.name=xiaojiahao
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:user.home=C:\Users\xiaojiahao
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:user.dir=C:\Users\xiaojiahao\workspace\spring.boot
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=12MB
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=247MB
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=15MB
18:08:47.573 [main] INFO  org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=10.1.14.179:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@14d8c71
18:08:47.575 [main] DEBUG org.apache.zookeeper.ClientCnxn - zookeeper.disableAutoWatchReset is false
18:08:47.601 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Opening socket connection to server 10.1.14.179/10.1.14.179:2181. Will not attempt to authenticate using SASL (unknown error)
18:08:47.603 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /10.1.14.179:59820, server: 10.1.14.179/10.1.14.179:2181
18:08:47.606 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Session establishment request sent on 10.1.14.179/10.1.14.179:2181
zookeeper start
18:08:47.638 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Session establishment complete on server 10.1.14.179/10.1.14.179:2181, sessionid = 0x15431c56de50009, negotiated timeout = 40000
18:08:47.639 [main-EventThread] DEBUG org.apache.curator.ConnectionState - Negotiated session timeout: 40000
18:08:47.643 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: CONNECTED
18:08:47.649 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Reading reply sessionid:0x15431c56de50009, packet:: clientPath:/zookeeper/config serverPath:/zookeeper/config finished:false header:: 1,4  replyHeader:: 1,42326,-101  request:: '/zookeeper/config,T  response::  
18:08:47.655 [main-EventThread] INFO  o.a.c.framework.imps.EnsembleTracker - New config event received: null
18:08:47.657 [main-EventThread] ERROR o.a.c.f.imps.CuratorFrameworkImpl - Background exception was not retry-able or retry gave up
java.lang.NullPointerException: null
	at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
	at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:163)
	at org.apache.curator.framework.imps.EnsembleTracker.access$200(EnsembleTracker.java:48)
	at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:134)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:829)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:611)
	at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:151)
	at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:210)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:619)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:528)
18:08:48.617 [main-SendThread(10.1.14.179:2181)] WARN  org.apache.zookeeper.ClientCnxn - Session 0x15431c56de50009 for server 10.1.14.179/10.1.14.179:2181, unexpected error, closing socket connection and attempting reconnect
java.io.IOException: Xid out of order. Got Xid 3 with err -101 expected Xid 2 for a packet with details: clientPath:null serverPath:null finished:false header:: 2,15  replyHeader:: 0,0,-4  request:: '/head,,v{s{31,s{'world,'anyone}}},0  response::  
	at org.apache.zookeeper.ClientCnxn$SendThread.readResponse(ClientCnxn.java:928)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:99)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1236)
18:08:48.638 [main] DEBUG org.apache.curator.RetryLoop - Retry-able exception received
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /head
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
	at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:1297)
	at org.apache.curator.framework.imps.CreateBuilderImpl$17.call(CreateBuilderImpl.java:1037)
	at org.apache.curator.framework.imps.CreateBuilderImpl$17.call(CreateBuilderImpl.java:1020)
	at org.apache.curator.connection.StandardConnectionHandlingPolicy.callWithRetry(StandardConnectionHandlingPolicy.java:66)
	at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:99)
	at org.apache.curator.framework.imps.CreateBuilderImpl.pathInForeground(CreateBuilderImpl.java:1017)
	at org.apache.curator.framework.imps.CreateBuilderImpl.protectedPathInForeground(CreateBuilderImpl.java:501)
	at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:491)
	at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:45)
	at com.uclouklink.zookeeper.CuratorZk.main(CuratorZk.java:16)
18:08:48.719 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: SUSPENDED
18:08:49.639 [main] DEBUG org.apache.curator.RetryLoop - Retrying operation
18:08:49.731 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Opening socket connection to server 10.1.14.179/10.1.14.179:2181. Will not attempt to authenticate using SASL (unknown error)
18:08:49.732 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /10.1.14.179:59822, server: 10.1.14.179/10.1.14.179:2181
18:08:49.732 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Session establishment request sent on 10.1.14.179/10.1.14.179:2181
18:08:49.733 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Session establishment complete on server 10.1.14.179/10.1.14.179:2181, sessionid = 0x15431c56de50009, negotiated timeout = 40000
18:08:49.733 [main-EventThread] DEBUG org.apache.curator.ConnectionState - Negotiated session timeout: 40000
18:08:49.733 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: RECONNECTED
18:08:49.734 [main-SendThread(10.1.14.179:2181)] WARN  org.apache.zookeeper.ClientCnxn - Session 0x15431c56de50009 for server 10.1.14.179/10.1.14.179:2181, unexpected error, closing socket connection and attempting reconnect
java.io.IOException: Xid out of order. Got Xid 5 with err -101 expected Xid 4 for a packet with details: clientPath:null serverPath:null finished:false header:: 4,15  replyHeader:: 0,0,-4  request:: '/head,,v{s{31,s{'world,'anyone}}},0  response::  
	at org.apache.zookeeper.ClientCnxn$SendThread.readResponse(ClientCnxn.java:928)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:99)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1236)
18:08:49.734 [main] DEBUG org.apache.curator.RetryLoop - Retry-able exception received
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /head
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
	at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:1297)
	at org.apache.curator.framework.imps.CreateBuilderImpl$17.call(CreateBuilderImpl.java:1037)
	at org.apache.curator.framework.imps.CreateBuilderImpl$17.call(CreateBuilderImpl.java:1020)
	at org.apache.curator.connection.StandardConnectionHandlingPolicy.callWithRetry(StandardConnectionHandlingPolicy.java:66)
	at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:99)
	at org.apache.curator.framework.imps.CreateBuilderImpl.pathInForeground(CreateBuilderImpl.java:1017)
	at org.apache.curator.framework.imps.CreateBuilderImpl.protectedPathInForeground(CreateBuilderImpl.java:501)
	at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:491)
	at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:45)
	at com.uclouklink.zookeeper.CuratorZk.main(CuratorZk.java:16)
18:08:49.835 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: SUSPENDED
18:08:51.735 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Opening socket connection to server 10.1.14.179/10.1.14.179:2181. Will not attempt to authenticate using SASL (unknown error)
18:08:51.737 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /10.1.14.179:59823, server: 10.1.14.179/10.1.14.179:2181
18:08:51.737 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Session establishment request sent on 10.1.14.179/10.1.14.179:2181
18:08:51.740 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Session establishment complete on server 10.1.14.179/10.1.14.179:2181, sessionid = 0x15431c56de50009, negotiated timeout = 40000
18:08:51.741 [main-EventThread] DEBUG org.apache.curator.ConnectionState - Negotiated session timeout: 40000
18:08:51.741 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: RECONNECTED
18:08:51.745 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Reading reply sessionid:0x15431c56de50009, packet:: clientPath:/zookeeper/config serverPath:/zookeeper/config finished:false header:: 6,4  replyHeader:: 6,42326,-101  request:: '/zookeeper/config,T  response::  
18:08:51.745 [main-EventThread] INFO  o.a.c.framework.imps.EnsembleTracker - New config event received: null
18:08:51.746 [main-EventThread] ERROR o.a.c.f.imps.CuratorFrameworkImpl - Background exception was not retry-able or retry gave up
java.lang.NullPointerException: null
	at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
	at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:163)
	at org.apache.curator.framework.imps.EnsembleTracker.access$200(EnsembleTracker.java:48)
	at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:134)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:829)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:611)
	at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:151)
	at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:210)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:619)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:528)
18:08:51.840 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Reading reply sessionid:0x15431c56de50009, packet:: clientPath:/zookeeper/config serverPath:/zookeeper/config finished:false header:: 7,4  replyHeader:: 7,42326,-101  request:: '/zookeeper/config,T  response::  
18:08:51.840 [main-EventThread] INFO  o.a.c.framework.imps.EnsembleTracker - New config event received: null
18:08:51.841 [main-EventThread] ERROR o.a.c.f.imps.CuratorFrameworkImpl - Background exception was not retry-able or retry gave up
java.lang.NullPointerException: null
	at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
	at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:163)
	at org.apache.curator.framework.imps.EnsembleTracker.access$200(EnsembleTracker.java:48)
	at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:134)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:829)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:611)
	at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:151)
	at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:210)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:619)
	at org.apache.z18:08:45.069 [main] WARN  o.a.c.retry.ExponentialBackoffRetry - maxRetries too large (2147483647). Pinning to 29
18:08:47.561 [main] INFO  o.a.c.f.imps.CuratorFrameworkImpl - Starting
18:08:47.563 [main] DEBUG o.a.curator.CuratorZookeeperClient - Starting
18:08:47.563 [main] DEBUG org.apache.curator.ConnectionState - Starting
18:08:47.563 [main] DEBUG org.apache.curator.ConnectionState - reset
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.5.1-alpha-1693007, built on 07/28/2015 07:19 GMT
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:host.name=BSS-KEVINXIAO.ucloudlink.com
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.7.0_06
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Oracle Corporation
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.home=C:\Program Files\Java\jdk1.7.0_06\jre
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=C:\Users\xiaojiahao\workspace\spring.boot\target\classes;D:\work_soft\repository\org\springframework\boot\spring-boot-starter-web\1.3.3.RELEASE\spring-boot-starter-web-1.3.3.RELEASE.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-starter\1.3.3.RELEASE\spring-boot-starter-1.3.3.RELEASE.jar;D:\work_soft\repository\org\springframework\boot\spring-boot\1.3.3.RELEASE\spring-boot-1.3.3.RELEASE.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-autoconfigure\1.3.3.RELEASE\spring-boot-autoconfigure-1.3.3.RELEASE.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-starter-logging\1.3.3.RELEASE\spring-boot-starter-logging-1.3.3.RELEASE.jar;D:\work_soft\repository\ch\qos\logback\logback-classic\1.1.5\logback-classic-1.1.5.jar;D:\work_soft\repository\ch\qos\logback\logback-core\1.1.5\logback-core-1.1.5.jar;D:\work_soft\repository\org\slf4j\jcl-over-slf4j\1.7.16\jcl-over-slf4j-1.7.16.jar;D:\work_soft\repository\org\slf4j\jul-to-slf4j\1.7.16\jul-to-slf4j-1.7.16.jar;D:\work_soft\repository\org\slf4j\log4j-over-slf4j\1.7.16\log4j-over-slf4j-1.7.16.jar;D:\work_soft\repository\org\yaml\snakeyaml\1.16\snakeyaml-1.16.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-starter-tomcat\1.3.3.RELEASE\spring-boot-starter-tomcat-1.3.3.RELEASE.jar;D:\work_soft\repository\org\apache\tomcat\embed\tomcat-embed-core\8.0.32\tomcat-embed-core-8.0.32.jar;D:\work_soft\repository\org\apache\tomcat\embed\tomcat-embed-el\8.0.32\tomcat-embed-el-8.0.32.jar;D:\work_soft\repository\org\apache\tomcat\embed\tomcat-embed-logging-juli\8.0.32\tomcat-embed-logging-juli-8.0.32.jar;D:\work_soft\repository\org\apache\tomcat\embed\tomcat-embed-websocket\8.0.32\tomcat-embed-websocket-8.0.32.jar;D:\work_soft\repository\org\springframework\boot\spring-boot-starter-validation\1.3.3.RELEASE\spring-boot-starter-validation-1.3.3.RELEASE.jar;D:\work_soft\repository\org\hibernate\hibernate-validator\5.2.4.Final\hibernate-validator-5.2.4.Final.jar;D:\work_soft\repository\javax\validation\validation-api\1.1.0.Final\validation-api-1.1.0.Final.jar;D:\work_soft\repository\org\jboss\logging\jboss-logging\3.3.0.Final\jboss-logging-3.3.0.Final.jar;D:\work_soft\repository\com\fasterxml\classmate\1.1.0\classmate-1.1.0.jar;D:\work_soft\repository\com\fasterxml\jackson\core\jackson-databind\2.6.5\jackson-databind-2.6.5.jar;D:\work_soft\repository\com\fasterxml\jackson\core\jackson-annotations\2.6.5\jackson-annotations-2.6.5.jar;D:\work_soft\repository\com\fasterxml\jackson\core\jackson-core\2.6.5\jackson-core-2.6.5.jar;D:\work_soft\repository\org\springframework\spring-web\4.2.5.RELEASE\spring-web-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-aop\4.2.5.RELEASE\spring-aop-4.2.5.RELEASE.jar;D:\work_soft\repository\aopalliance\aopalliance\1.0\aopalliance-1.0.jar;D:\work_soft\repository\org\springframework\spring-webmvc\4.2.5.RELEASE\spring-webmvc-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-expression\4.2.5.RELEASE\spring-expression-4.2.5.RELEASE.jar;D:\work_soft\repository\org\quartz-scheduler\quartz\2.1.1\quartz-2.1.1.jar;D:\work_soft\repository\c3p0\c3p0\0.9.1.1\c3p0-0.9.1.1.jar;D:\work_soft\repository\org\slf4j\slf4j-api\1.7.16\slf4j-api-1.7.16.jar;D:\work_soft\repository\org\springframework\spring-context-support\4.2.5.RELEASE\spring-context-support-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-beans\4.2.5.RELEASE\spring-beans-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-context\4.2.5.RELEASE\spring-context-4.2.5.RELEASE.jar;D:\work_soft\repository\org\springframework\spring-core\4.2.5.RELEASE\spring-core-4.2.5.RELEASE.jar;D:\work_soft\repository\org\apache\curator\curator-recipes\3.1.0\curator-recipes-3.1.0.jar;D:\work_soft\repository\org\apache\curator\curator-framework\3.0.0\curator-framework-3.0.0.jar;D:\work_soft\repository\org\apache\curator\curator-client\3.0.0\curator-client-3.0.0.jar;D:\work_soft\repository\org\apache\zookeeper\zookeeper\3.5.1-alpha\zookeeper-3.5.1-alpha.jar;D:\work_soft\repository\commons-cli\commons-cli\1.2\commons-cli-1.2.jar;D:\work_soft\repository\log4j\log4j\1.2.17\log4j-1.2.17.jar;D:\work_soft\repository\io\netty\netty\3.7.0.Final\netty-3.7.0.Final.jar;D:\work_soft\repository\net\java\dev\javacc\javacc\5.0\javacc-5.0.jar;D:\work_soft\repository\com\google\guava\guava\16.0.1\guava-16.0.1.jar
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=C:\Program Files\Java\jdk1.7.0_06\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files (x86)/Java/jre6/bin/client;C:/Program Files (x86)/Java/jre6/bin;C:/Program Files (x86)/Java/jre6/lib/i386;C:\Program Files (x86)\Common Files\NetSarang;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\TortoiseSVN\bin;C:\Program Files\MongoDB\Server\3.0\bin;D:\apache-maven-3.2.1\bin;C:\Program Files\Java\jdk1.7.0_06\bin;C:\Program Files\Java\jdk1.7.0_06\jre\bin;;E:\eclipse;;C:\Windows\SysWOW64\woc\;.
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=C:\Users\XIAOJI~1\AppData\Local\Temp\
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.name=Windows 7
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.arch=x86
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.version=6.1
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:user.name=xiaojiahao
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:user.home=C:\Users\xiaojiahao
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:user.dir=C:\Users\xiaojiahao\workspace\spring.boot
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.memory.free=12MB
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.memory.max=247MB
18:08:47.571 [main] INFO  org.apache.zookeeper.ZooKeeper - Client environment:os.memory.total=15MB
18:08:47.573 [main] INFO  org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=10.1.14.179:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@14d8c71
18:08:47.575 [main] DEBUG org.apache.zookeeper.ClientCnxn - zookeeper.disableAutoWatchReset is false
18:08:47.601 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Opening socket connection to server 10.1.14.179/10.1.14.179:2181. Will not attempt to authenticate using SASL (unknown error)
18:08:47.603 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /10.1.14.179:59820, server: 10.1.14.179/10.1.14.179:2181
18:08:47.606 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Session establishment request sent on 10.1.14.179/10.1.14.179:2181
zookeeper start
18:08:47.638 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Session establishment complete on server 10.1.14.179/10.1.14.179:2181, sessionid = 0x15431c56de50009, negotiated timeout = 40000
18:08:47.639 [main-EventThread] DEBUG org.apache.curator.ConnectionState - Negotiated session timeout: 40000
18:08:47.643 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: CONNECTED
18:08:47.649 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Reading reply sessionid:0x15431c56de50009, packet:: clientPath:/zookeeper/config serverPath:/zookeeper/config finished:false header:: 1,4  replyHeader:: 1,42326,-101  request:: '/zookeeper/config,T  response::  
18:08:47.655 [main-EventThread] INFO  o.a.c.framework.imps.EnsembleTracker - New config event received: null
18:08:47.657 [main-EventThread] ERROR o.a.c.f.imps.CuratorFrameworkImpl - Background exception was not retry-able or retry gave up
java.lang.NullPointerException: null
	at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
	at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:163)
	at org.apache.curator.framework.imps.EnsembleTracker.access$200(EnsembleTracker.java:48)
	at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:134)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:829)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:611)
	at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:151)
	at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:210)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:619)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:528)
18:08:48.617 [main-SendThread(10.1.14.179:2181)] WARN  org.apache.zookeeper.ClientCnxn - Session 0x15431c56de50009 for server 10.1.14.179/10.1.14.179:2181, unexpected error, closing socket connection and attempting reconnect
java.io.IOException: Xid out of order. Got Xid 3 with err -101 expected Xid 2 for a packet with details: clientPath:null serverPath:null finished:false header:: 2,15  replyHeader:: 0,0,-4  request:: '/head,,v{s{31,s{'world,'anyone}}},0  response::  
	at org.apache.zookeeper.ClientCnxn$SendThread.readResponse(ClientCnxn.java:928)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:99)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1236)
18:08:48.638 [main] DEBUG org.apache.curator.RetryLoop - Retry-able exception received
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /head
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
	at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:1297)
	at org.apache.curator.framework.imps.CreateBuilderImpl$17.call(CreateBuilderImpl.java:1037)
	at org.apache.curator.framework.imps.CreateBuilderImpl$17.call(CreateBuilderImpl.java:1020)
	at org.apache.curator.connection.StandardConnectionHandlingPolicy.callWithRetry(StandardConnectionHandlingPolicy.java:66)
	at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:99)
	at org.apache.curator.framework.imps.CreateBuilderImpl.pathInForeground(CreateBuilderImpl.java:1017)
	at org.apache.curator.framework.imps.CreateBuilderImpl.protectedPathInForeground(CreateBuilderImpl.java:501)
	at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:491)
	at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:45)
	at com.uclouklink.zookeeper.CuratorZk.main(CuratorZk.java:16)
18:08:48.719 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: SUSPENDED
18:08:49.639 [main] DEBUG org.apache.curator.RetryLoop - Retrying operation
18:08:49.731 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Opening socket connection to server 10.1.14.179/10.1.14.179:2181. Will not attempt to authenticate using SASL (unknown error)
18:08:49.732 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /10.1.14.179:59822, server: 10.1.14.179/10.1.14.179:2181
18:08:49.732 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Session establishment request sent on 10.1.14.179/10.1.14.179:2181
18:08:49.733 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Session establishment complete on server 10.1.14.179/10.1.14.179:2181, sessionid = 0x15431c56de50009, negotiated timeout = 40000
18:08:49.733 [main-EventThread] DEBUG org.apache.curator.ConnectionState - Negotiated session timeout: 40000
18:08:49.733 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: RECONNECTED
18:08:49.734 [main-SendThread(10.1.14.179:2181)] WARN  org.apache.zookeeper.ClientCnxn - Session 0x15431c56de50009 for server 10.1.14.179/10.1.14.179:2181, unexpected error, closing socket connection and attempting reconnect
java.io.IOException: Xid out of order. Got Xid 5 with err -101 expected Xid 4 for a packet with details: clientPath:null serverPath:null finished:false header:: 4,15  replyHeader:: 0,0,-4  request:: '/head,,v{s{31,s{'world,'anyone}}},0  response::  
	at org.apache.zookeeper.ClientCnxn$SendThread.readResponse(ClientCnxn.java:928)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:99)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1236)
18:08:49.734 [main] DEBUG org.apache.curator.RetryLoop - Retry-able exception received
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /head
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
	at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:1297)
	at org.apache.curator.framework.imps.CreateBuilderImpl$17.call(CreateBuilderImpl.java:1037)
	at org.apache.curator.framework.imps.CreateBuilderImpl$17.call(CreateBuilderImpl.java:1020)
	at org.apache.curator.connection.StandardConnectionHandlingPolicy.callWithRetry(StandardConnectionHandlingPolicy.java:66)
	at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:99)
	at org.apache.curator.framework.imps.CreateBuilderImpl.pathInForeground(CreateBuilderImpl.java:1017)
	at org.apache.curator.framework.imps.CreateBuilderImpl.protectedPathInForeground(CreateBuilderImpl.java:501)
	at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:491)
	at org.apache.curator.framework.imps.CreateBuilderImpl.forPath(CreateBuilderImpl.java:45)
	at com.uclouklink.zookeeper.CuratorZk.main(CuratorZk.java:16)
18:08:49.835 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: SUSPENDED
18:08:51.735 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Opening socket connection to server 10.1.14.179/10.1.14.179:2181. Will not attempt to authenticate using SASL (unknown error)
18:08:51.737 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Socket connection established, initiating session, client: /10.1.14.179:59823, server: 10.1.14.179/10.1.14.179:2181
18:08:51.737 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Session establishment request sent on 10.1.14.179/10.1.14.179:2181
18:08:51.740 [main-SendThread(10.1.14.179:2181)] INFO  org.apache.zookeeper.ClientCnxn - Session establishment complete on server 10.1.14.179/10.1.14.179:2181, sessionid = 0x15431c56de50009, negotiated timeout = 40000
18:08:51.741 [main-EventThread] DEBUG org.apache.curator.ConnectionState - Negotiated session timeout: 40000
18:08:51.741 [main-EventThread] INFO  o.a.c.f.state.ConnectionStateManager - State change: RECONNECTED
18:08:51.745 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Reading reply sessionid:0x15431c56de50009, packet:: clientPath:/zookeeper/config serverPath:/zookeeper/config finished:false header:: 6,4  replyHeader:: 6,42326,-101  request:: '/zookeeper/config,T  response::  
18:08:51.745 [main-EventThread] INFO  o.a.c.framework.imps.EnsembleTracker - New config event received: null
18:08:51.746 [main-EventThread] ERROR o.a.c.f.imps.CuratorFrameworkImpl - Background exception was not retry-able or retry gave up
java.lang.NullPointerException: null
	at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
	at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:163)
	at org.apache.curator.framework.imps.EnsembleTracker.access$200(EnsembleTracker.java:48)
	at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:134)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:829)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:611)
	at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:151)
	at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:210)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:619)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:528)
18:08:51.840 [main-SendThread(10.1.14.179:2181)] DEBUG org.apache.zookeeper.ClientCnxn - Reading reply sessionid:0x15431c56de50009, packet:: clientPath:/zookeeper/config serverPath:/zookeeper/config finished:false header:: 7,4  replyHeader:: 7,42326,-101  request:: '/zookeeper/config,T  response::  
18:08:51.840 [main-EventThread] INFO  o.a.c.framework.imps.EnsembleTracker - New config event received: null
18:08:51.841 [main-EventThread] ERROR o.a.c.f.imps.CuratorFrameworkImpl - Background exception was not retry-able or retry gave up
java.lang.NullPointerException: null
	at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
	at org.apache.curator.framework.imps.EnsembleTracker.processConfigData(EnsembleTracker.java:163)
	at org.apache.curator.framework.imps.EnsembleTracker.access$200(EnsembleTracker.java:48)
	at org.apache.curator.framework.imps.EnsembleTracker$2.processResult(EnsembleTracker.java:134)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.sendToBackgroundCallback(CuratorFrameworkImpl.java:829)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.processBackgroundOperation(CuratorFrameworkImpl.java:611)
	at org.apache.curator.framework.imps.WatcherRemovalFacade.processBackgroundOperation(WatcherRemovalFacade.java:151)
	at org.apache.curator.framework.imps.GetConfigBuilderImpl$2.processResult(GetConfigBuilderImpl.java:210)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:619)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:528)
ookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:528)
</span>

后来在官网查询之后发现官网写了这句话，意思大概是 Curator 2.x.x-兼容两个zk 3.4.x 和zk 3.5.x，Curator 3.x.x-兼容兼容zk 3.5。


The are currently two released versions of Curator, 2.x.x and 3.x.x:
 
Curator 2.x.x - compatible with both ZooKeeper 3.4.x and ZooKeeper 3.5.x
Curator 3.x.x - compatible only with ZooKeeper 3.5.x and includes support for new features such as dynamic reconfiguration, etc.

改完之后就可以。


<span style="font-size:24px;"><dependency>
	<groupId>org.apache.curator</groupId>
	<artifactId>curator-framework</artifactId>
	<version>2.8.0</version>
</dependency>
</span>

想起了之前玩kafka的时候也是遇到不兼容的问题，结论玩中间件要记得版本问题。

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