问题描述

zookeeper链接不上2181端口~防火墙已关~

2016-04-18 22:03:05,165 INFO [main] zookeeper.ZooKeeper: Initiating client connection, connectString=slave1:2181,master:2181 sessionTimeout=90000 watcher=master:160200x0, quorum=slave1:2181,master:2181, baseZNode=/hbase
2016-04-18 22:03:05,175 INFO [main-SendThread(slave1:2181)] zookeeper.ClientCnxn: Opening socket connection to server slave1/192.168.1.11:2181. Will not attempt to authenticate using SASL (unknown error)
2016-04-18 22:03:05,178 WARN [main-SendThread(slave1:2181)] zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: 拒绝连接
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
.......
2016-04-18 22:03:22,107 WARN [main] zookeeper.RecoverableZooKeeper: Possibly transient ZooKeeper, quorum=slave1:2181,master:2181, exception=org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase
2016-04-18 22:03:22,107 INFO [main-SendThread(master:2181)] zookeeper.ClientCnxn: Opening socket connection to server master/192.168.1.10:2181. Will not attempt to authenticate using SASL (unknown error)
2016-04-18 22:03:22,107 ERROR [main] zookeeper.RecoverableZooKeeper: ZooKeeper create failed after 4 attempts
2016-04-18 22:03:22,107 ERROR [main] master.HMasterCommandLine: Master exiting
java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster
at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2002)
at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:203)
at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:139)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:126)
at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2016)
Caused by: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:783)
at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.createNonSequential(RecoverableZooKeeper.java:575)
at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.create(RecoverableZooKeeper.java:554)
at org.apache.hadoop.hbase.zookeeper.ZKUtil.createWithParents(ZKUtil.java:1258)
at org.apache.hadoop.hbase.zookeeper.ZKUtil.createWithParents(ZKUtil.java:1236)
at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.createBaseZNodes(ZooKeeperWatcher.java:179)
at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.(ZooKeeperWatcher.java:172)
at org.apache.hadoop.hbase.regionserver.HRegionServer.(HRegionServer.java:531)
at org.apache.hadoop.hbase.master.HMaster.(HMaster.java:333)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:1997)
... 5 more
2016-04-18 22:03:22,107 WARN [main-SendThread(master:2181)] zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: 拒绝连接
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)

解决方案

先看看对应端口是否在侦听，netstat