java连接单机hbase操作数据

Question

16/03/04 17:09:56 INFO support.ClassPathXmlApplicationContext: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@1f6ae4d: startup date [Fri Mar 04 17:09:56 CST 2016]; root of context hierarchy
16/03/04 17:09:56 INFO xml.XmlBeanDefinitionReader: Loading XML bean definitions from class path resource [applicationContest.xml]
16/03/04 17:09:57 INFO support.DefaultListableBeanFactory: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1d8fe20: defining beans [hbaseConfiguration,htemplate]; root of factory hierarchy
16/03/04 17:09:57 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
16/03/04 17:09:57 INFO zookeeper.RecoverableZooKeeper: Process identifier=hconnection-0xc4dc7c connecting to ZooKeeper ensemble=192.168.1.202:2181
16/03/04 17:09:57 INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=3.4.5-cdh5.2.0--1, built on 10/11/2014 20:49 GMT
16/03/04 17:09:57 INFO zookeeper.ZooKeeper: Client environment:host.name=xiaoming
16/03/04 17:09:57 INFO zookeeper.ZooKeeper: Client environment:java.version=1.7.0_17
16/03/04 17:09:57 INFO zookeeper.ZooKeeper: Client environment:java.vendor=Oracle Corporation
16/03/04 17:09:57 INFO zookeeper.ZooKeeper: Client environment:java.home=C:\Program Files (x86)\Java\jdk1.7.0_17\jre
16/03/04 17:09:57 INFO zookeeper.ZooKeeper: Client environment:java.class.path=F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\classes;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\commons-codec-1.7.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\commons-collections-3.2.1.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\commons-configuration-1.6.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\commons-lang-2.6.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\commons-logging-1.1.1.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\guava-12.0.1.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\hadoop-auth-2.5.0-cdh5.2.0.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\hadoop-common-2.5.0-cdh5.2.0.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\hadoop-core-2.5.0-mr1-cdh5.2.0.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\hbase-client-0.98.6-cdh5.2.0.jar;F:\mess\12Hadoop\workspace\myhbasetest\WebRoot\WEB-INF\lib\hbase-common-0.98.6-cdh5.2.0.jar;F:\mess\12Hadoop\workspace.......
16/03/04 17:09:57 INFO zookeeper.ClientCnxn: Opening socket connection to server 192.168.1.202/192.168.1.202:2181. Will not attempt to authenticate using SASL (unknown error)
16/03/04 17:09:57 INFO zookeeper.ClientCnxn: Socket connection established to 192.168.1.202/192.168.1.202:2181, initiating session
16/03/04 17:09:57 INFO zookeeper.ClientCnxn: Session establishment complete on server 192.168.1.202/192.168.1.202:2181, sessionid = 0x15341c9328d0012, negotiated timeout = 40000
16/03/04 17:17:50 WARN client.HConnectionManager$HConnectionImplementation: Encountered problems when prefetch hbase:meta table:
org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=31, exceptions:
.......Fri Mar 04 17:17:50 CST 2016, org.apache.hadoop.hbase.client.RpcRetryingCaller@b7b17a, java.net.UnknownHostException: unknown host: hbase
......at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:129)
at org.apache.hadoop.hbase.client.HTable.getRowOrBefore(HTable.java:714)
at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:144)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.prefetchRegionCache(HConnectionManager.java:1140)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:1204)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:1092)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:1049)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionLocation(HConnectionManager.java:890)
at org.apache.hadoop.hbase.client.RegionServerCallable.prepare(RegionServerCallable.java:72)
at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:113)
at org.apache.hadoop.hbase.client.HTable.get(HTable.java:780)
at org.springframework.data.hadoop.hbase.HbaseTemplate$2.doInTable(HbaseTemplate.java:182)
at org.springframework.data.hadoop.hbase.HbaseTemplate.execute(HbaseTemplate.java:58)
at org.springframework.data.hadoop.hbase.HbaseTemplate.get(HbaseTemplate.java:168)
at org.springframework.data.hadoop.hbase.HbaseTemplate.get(HbaseTemplate.java:158)
at com.bw.test.Mytest.get(Mytest.java:46)
at com.bw.test.Mytest.main(Mytest.java:40)
Caused by: java.net.UnknownHostException: unknown host: hbase
at org.apache.hadoop.hbase.ipc.RpcClient$Connection.(RpcClient.java:385)
at org.apache.hadoop.hbase.ipc.RpcClient.createConnection(RpcClient.java:351)
at org.apache.hadoop.hbase.ipc.RpcClient.getConnection(RpcClient.java:1530)
at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1442)
at org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1661)
at org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1719)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.get(ClientProtos.java:29966)
at org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRowOrBefore(ProtobufUtil.java:1562)
at org.apache.hadoop.hbase.client.HTable$2.call(HTable.java:710)
at org.apache.hadoop.hbase.client.HTable$2.call(HTable.java:708)
at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:114)
... 16 more

Answer 1

看到有这句错误：Caused by: java.net.UnknownHostException: unknown host: hbase

我在myeclips的配置中都给的ip，发现不管用，还需要在window的hosts中配上映射，应为我Linux虚拟机名称是hbase

加上映射就好了，太折磨人了