zookeeper无法打开socket到localhost/0:0:0:0:0:0:0:1:2181

Question

我正在使用zookeeper ensemble for hbase.Zookeeper在3台机器上运行.虽然HBase也处于完全分布式模式.我有Nutch 2.x版本.当我启动nutch来抓取一些数据时,它会在nutch日志文件中给出以下bug.

ERROR zookeeper.ClientCnxnSocketNIO - Unable to open socket to localhost/0:0:0:0:0:0:0:1:2181
2015-01-23 16:34:21,956 WARN  zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.SocketException: Network is unreachable
        at sun.nio.ch.Net.connect0(Native Method)
        at sun.nio.ch.Net.connect(Net.java:457)
        at sun.nio.ch.Net.connect(Net.java:449)
        at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:647)
        at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:266)
        at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:276)
        at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:958)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:993)
2015-01-23 16:34:22,063 WARN  zookeeper.RecoverableZooKeeper - Possibly transient ZooKeeper exception: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/hbaseid

当我在三个zookeepers实例上运行命令时

echo ruok | nc 1.1.1.1 2181 it says imok

这有什么问题？我的hbase版本是0.94.14,zookeeper版本是3.4.5,solr版本是4.10.3(用于索引),Nutch版本是2.2.3

Answer 1

(CentOS)检查你的/ etc/hosts文件,如果它同意

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

改为

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         ip6-localhost ip6-localhost.localdomain localhost6 localhost6.localdomain6