hive启动报错---java.net.UnknownHostException: cluster

本文主要是介绍hive启动报错---java.net.UnknownHostException: cluster，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

hive启动时报错如下：
Exception in thread “main” java.lang.IllegalArgumentException: java.net.UnknownHostException: cluster
at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:377)
at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:320)
at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:176)
at org.apache.hadoop.hdfs.DFSClient.(DFSClient.java:687)
at org.apache.hadoop.hdfs.DFSClient.(DFSClient.java:628)
at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2667)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:93)atorg.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2701)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2683)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:372)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:171)
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:583)
at org.apache.hadoop.hive.ql.session.SessionState.beginStart(SessionState.java:553)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:750)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:686)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.util.RunJar.run(RunJar.java:226)
at org.apache.hadoop.util.RunJar.main(RunJar.java:141)
Caused by: java.net.UnknownHostException: cluster
… 22 more

解决方法：查看有关cluster的配置项是否配置正确，在core-site.xml中集群的默认访问路径加了端口，正确的配置如下图

如果把core-site.xml和hdfs-site.xml文件拷贝到了hive的配置目录conf下，对应的配置别忘记修改。

这篇关于hive启动报错---java.net.UnknownHostException: cluster的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！

---