欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  数据库

Hadoop Hive No address associated with hostname

程序员文章站 2022-04-30 17:32:35
...

今天进行了Hive的迁移,出现了如下的异常。 Total MapReduce jobs = 1Launching Job 1 out of 1Number of reduce tasks determined at compile time: 1In order to change the average load for a reducer in bytes: set hive.exec.reducers.bytes.per.reduc

今天进行了Hive的迁移,出现了如下的异常。

Total MapReduce jobs = 1Launching Job 1 out of 1Number of reduce tasks determined at compile time: 1In order to change the average load for a reducer (in bytes):  set hive.exec.reducers.bytes.per.reducer=In order to limit the maximum number of reducers:  set hive.exec.reducers.max=In order to set a constant number of reducers:  set mapred.reduce.tasks=java.net.UnknownHostException: xxx.test.cn: xxx.test.cn: No address associated with hostname        at java.net.InetAddress.getLocalHost(InetAddress.java:1473)        at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:866)        at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:842)        at java.security.AccessController.doPrivileged(Native Method)        at javax.security.auth.Subject.doAs(Subject.java:415)        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)        at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:842)        at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:816)        at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:452)        at org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:136)        at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:133)        at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)        at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1361)        at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1152)        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:960)        at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:255)        at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:212)        at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:403)        at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671)        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:554)        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)        at java.lang.reflect.Method.invoke(Method.java:606)        at org.apache.hadoop.util.RunJar.main(RunJar.java:156)Caused by: java.net.UnknownHostException: kooxoo90-111.kuxun.cn: No address associated with hostname        at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)        at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:901)        at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1293)        at java.net.InetAddress.getLocalHost(InetAddress.java:1469)        ... 24 moreJob Submission failed with exception 'java.net.UnknownHostException(xxx.test.cn: xxx.test.cn: No address associated with hostname)'FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.MapRedTask 

后续发现,在新的服务器中,只注意了进行hostname的设置,但是并没有在/etc/hosts文件中增加

127.0.0.1  xxx.test.cn

的映射。
hosts配置后,正常运行。