Hadoop Hive No address associated with hostname-Mysql Tutorial-php.cn

Home

Database

Mysql Tutorial

Hadoop Hive No address associated with hostname

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 07, 2016 pm 04:38 PM

addresshadoophive

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=<number>In order to limit the maximum number of reducers:  set hive.exec.reducers.max=<number>In order to set a constant number of reducers:  set mapred.reduce.tasks=<number>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 </number></number></number>

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。

原文地址：Hadoop Hive No address associated with hostname, 感谢原作者分享。

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

What Are the Limitations of Using Views in MySQL?May 14, 2025 am 12:10 AM

MySQLviewshavelimitations:1)Theydon'tsupportallSQLoperations,restrictingdatamanipulationthroughviewswithjoinsorsubqueries.2)Theycanimpactperformance,especiallywithcomplexqueriesorlargedatasets.3)Viewsdon'tstoredata,potentiallyleadingtooutdatedinforma

Securing Your MySQL Database: Adding Users and Granting PrivilegesMay 14, 2025 am 12:09 AM

ProperusermanagementinMySQLiscrucialforenhancingsecurityandensuringefficientdatabaseoperation.1)UseCREATEUSERtoaddusers,specifyingconnectionsourcewith@'localhost'or@'%'.2)GrantspecificprivilegeswithGRANT,usingleastprivilegeprincipletominimizerisks.3)

What Factors Influence the Number of Triggers I Can Use in MySQL?May 14, 2025 am 12:08 AM

MySQLdoesn'timposeahardlimitontriggers,butpracticalfactorsdeterminetheireffectiveuse:1)Serverconfigurationimpactstriggermanagement;2)Complextriggersincreasesystemload;3)Largertablesslowtriggerperformance;4)Highconcurrencycancausetriggercontention;5)M

MySQL: Is it safe to store BLOB?May 14, 2025 am 12:07 AM

Yes,it'ssafetostoreBLOBdatainMySQL,butconsiderthesefactors:1)StorageSpace:BLOBscanconsumesignificantspace,potentiallyincreasingcostsandslowingperformance.2)Performance:LargerrowsizesduetoBLOBsmayslowdownqueries.3)BackupandRecovery:Theseprocessescanbe

MySQL: Adding a user through a PHP web interfaceMay 14, 2025 am 12:04 AM

Adding MySQL users through the PHP web interface can use MySQLi extensions. The steps are as follows: 1. Connect to the MySQL database and use the MySQLi extension. 2. Create a user, use the CREATEUSER statement, and use the PASSWORD() function to encrypt the password. 3. Prevent SQL injection and use the mysqli_real_escape_string() function to process user input. 4. Assign permissions to new users and use the GRANT statement.

MySQL: BLOB and other no-sql storage, what are the differences?May 13, 2025 am 12:14 AM

MySQL'sBLOBissuitableforstoringbinarydatawithinarelationaldatabase,whileNoSQLoptionslikeMongoDB,Redis,andCassandraofferflexible,scalablesolutionsforunstructureddata.BLOBissimplerbutcanslowdownperformancewithlargedata;NoSQLprovidesbetterscalabilityand

MySQL Add User: Syntax, Options, and Security Best PracticesMay 13, 2025 am 12:12 AM

ToaddauserinMySQL,use:CREATEUSER'username'@'host'IDENTIFIEDBY'password';Here'showtodoitsecurely:1)Choosethehostcarefullytocontrolaccess.2)SetresourcelimitswithoptionslikeMAX_QUERIES_PER_HOUR.3)Usestrong,uniquepasswords.4)EnforceSSL/TLSconnectionswith

MySQL: How to avoid String Data Types common mistakes?May 13, 2025 am 12:09 AM

ToavoidcommonmistakeswithstringdatatypesinMySQL,understandstringtypenuances,choosetherighttype,andmanageencodingandcollationsettingseffectively.1)UseCHARforfixed-lengthstrings,VARCHARforvariable-length,andTEXT/BLOBforlargerdata.2)Setcorrectcharacters

See all articles