【发布时间】：2015-05-25 06:51:03
【问题描述】：
我正在使用 HBase 版本 1.0.1，而我正在从 java 连接到 hbase，我得到的错误为
15/05/25 12:12:57 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=localhost:2181 sessionTimeout=90000 watcher=hconnection- 0xc0663d0x0, quorum=localhost:2181, baseZNode=/hbase
Exception in thread "main" java.io.IOException: java.lang.reflect.InvocationTargetException
at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:240)
at org.apache.hadoop.hbase.client.ConnectionManager.createConnection(ConnectionManager.java:410)
at org.apache.hadoop.hbase.client.ConnectionManager.createConnection(ConnectionManager.java:403)
at org.apache.hadoop.hbase.client.ConnectionManager.getConnectionInternal(ConnectionManager.java:281)
at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:202)
at org.subhash.hbase.HBaseExample.main(HBaseExample.java:21)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:238)
... 5 more
Caused by: java.lang.NoClassDefFoundError: org/apache/htrace/Trace
at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:218)
at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481)
at org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)
at org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:86)
at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId(ConnectionManager.java:833)
at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:623)
... 10 more
Caused by: java.lang.ClassNotFoundException: org.apache.htrace.Trace
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 16 more
我的 Hadoop 守护程序正在运行，hbase 也在运行
我的 Java 代码是
Configuration conf = HBaseConfiguration.create();
@SuppressWarnings("deprecation")
HBaseAdmin admin = new HBaseAdmin(conf);
System.out.println("Conneccted" + conf.get("hbase.rootdir"));
请在这个问题上帮助我
提前致谢
【问题讨论】：
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你找到解决办法了吗？
标签： apache hadoop mapreduce hbase