我在Ubuntu中使用HBASE 0.94.8独立模式.它的工作正常我能够在Hbase-shell中完成所有操作.但是在我记录了我的系统后,它给出了以下错误
15/07/28 15:10:30 ERROR zookeeper.RecoverableZooKeeper: ZooKeeper exists failed after 3 retries
15/07/28 15:10:30 WARN zookeeper.ZKUtil: hconnection-0x14ed40513350009 Unable to set watcher on znode (/hbase)
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:172)
at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:450)
at org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.checkIfBaseNodeAvailable(ZooKeeperNodeTracker.java:208)
at org.apache.hadoop.hbase.zookeeper.RootRegionTracker.waitRootRegionLocation(RootRegionTracker.java:77)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:885)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:998)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:896)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:998)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:900)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:857)
是的,我确实搜索了很多.我发现一些信息ZooKeeper在3次重试后存在失败.可能是这个错误是因为zookeeper被停止了.但我不知道要重新启动它.我试着重新开始Hbase,thrift但仍然是这个问题.
这个命令ps axww | grep QuorumPeerMain给我以下输出:
6162 pts/2 S+ 0:00 grep --color=auto QuorumPeerMain
如果我重新启动系统,Hbase将开始工作.但我想要适当的解决方案. …
我在伪分布式模式下运行Hadoop-1.2.1和HBase-0.94.11.
由于电源故障,Hadoop和HBase设置下降.在我重新启动机器并设置伪分发的时候,HBase在HBase shell上停止了以下错误:
13/11/27 13:53:27 ERROR zookeeper.RecoverableZooKeeper: ZooKeeper exists failed after 3 retries
13/11/27 13:53:27 WARN zookeeper.ZKUtil: hconnection Unable to set watcher on znode (/hbase/hbaseid)
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1041)
at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:172)
at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:450)
at org.apache.hadoop.hbase.zookeeper.ClusterId.readClusterIdZNode(ClusterId.java:61)
at org.apache.hadoop.hbase.zookeeper.ClusterId.getId(ClusterId.java:50)
at org.apache.hadoop.hbase.zookeeper.ClusterId.hasId(ClusterId.java:44)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.ensureZookeeperTrackers(HConnectionManager.java:720)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:789)
at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:129)
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)
以下是流程:
hduser@user-ubuntu:~$ jps
16914 NameNode
19955 Jps
29460 Main
17728 TaskTracker
19776 HMaster
17490 JobTracker
17392 SecondaryNameNode