hadoop - 尝试在 hadoop 上运行命令 fsck 时出错

Question

我正在使用 Ubuntu 18.04.4 LTS，尝试在设置名称节点和数据节点（配置 hadoop core-site.xml 和 hdfs-site.xml）后通过 hadoop 快速启动，我在运行 fsck 命令

'''Exception in thread "main" java.lang.IllegalArgumentException: java.net.UnknownHostException: master9000
at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:445)
at org.apache.hadoop.hdfs.NameNodeProxiesClient.createProxyWithClientProtocol(NameNodeProxiesClient.java:132)
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:354)
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:288)
at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:177)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3303)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:124)
at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3352)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3320)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:479)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:227)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:463)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:361)
at org.apache.hadoop.hdfs.tools.DFSck.getResolvedPath(DFSck.java:245)
at org.apache.hadoop.hdfs.tools.DFSck.doWork(DFSck.java:331)
at org.apache.hadoop.hdfs.tools.DFSck.access$000(DFSck.java:72)
at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:159)
at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:156)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1729)
at org.apache.hadoop.hdfs.tools.DFSck.run(DFSck.java:155)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
at org.apache.hadoop.hdfs.tools.DFSck.main(DFSck.java:402)
Caused by: java.net.UnknownHostException: master9000
... 25 more

有人可以帮忙吗？

标签： hadoophdfs