当我编写Java代码以在IDE Eclipse中访问hbase时,总是显示消息“java.net.UnknownHostException”。但是hbase shell可以很好地工作。
我在伪分发模式下将hadoop和hbase安装在单个Linux节点上。我的主机名是yzd。这是/ etc / hosts和hbase-site.xml:
/etc/hosts:
127.0.0.1 localhost yzd
hbase-site.xml:
<property>
<name>hbase.rootdir</name>
<value>hdfs://localhost:9000/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
Error message:
INFO [main] (HBaseRPC.java:117) - Using org.apache.hadoop.hbase.ipc.WritableRpcEngine for org.apache.hadoop.hbase.ipc.HMasterInterface
INFO [main] (HConnectionManager.java:596) - getMaster attempt 0 of 10 failed; retrying after sleep of 1000
java.net.UnknownHostException: unknown host: � 13846@yzdlocalhost
at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.<init>(HBaseClient.java:224)
at org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:954)
at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:816)
at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:141)
at com.sun.proxy.$Proxy4.getProtocolVersion(Unknown Source)
at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:174)
at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:295)
at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:272)
at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:324)
at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:579)
at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:94)
at com.hbasebook.hush.schema.SchemaManager.process(SchemaManager.java:126)
at com.hbasebook.hush.HushMain.main(HushMain.java:57)
最佳答案
检查本地hbase的版本是否与您在pom中用作依赖项的版本相匹配。这应该可以解决您的问题。我遇到了同样的问题,我在独立模式下使用了hbase。我希望这可以帮助你。
关于hadoop - 在IDE Eclipse中访问hbase,java.net.UnknownHostException,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/19812788/