Добрый день.
Суть проблемы - установлен Hadoop на Ubuntu 12.10
При запуске откомпиленной С++ программы - выдает ошибку
13/11/22 11:05:45 WARN mapred.JobClient: No job jar file set. User classes may not be found. See JobConf(Class) or JobConf#setJar(String).
13/11/22 11:05:45 INFO util.NativeCodeLoader: Loaded the native-hadoop library
13/11/22 11:05:45 WARN snappy.LoadSnappy: Snappy native library not loaded
13/11/22 11:05:45 INFO mapred.FileInputFormat: Total input paths to process : 3
13/11/22 11:05:45 INFO mapred.JobClient: Running job: job_201311220845_0006
13/11/22 11:05:46 INFO mapred.JobClient: map 0% reduce 0%
13/11/22 11:05:51 INFO mapred.JobClient: Task Id : attempt_201311220845_0006_m_000000_0, Status : FAILED
java.io.IOException
at org.apache.hadoop.mapred.pipes.OutputHandler.waitForAuthentication(OutputHandler.java:188)
at org.apache.hadoop.mapred.pipes.Application.waitForAuthentication(Application.java:194)
at org.apache.hadoop.mapred.pipes.Application.<init>(Application.java:149)
at org.apache.hadoop.mapred.pipes.PipesMapRunner.run(PipesMapRunner.java:68)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:366)
at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
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:1190)
at org.apache.hadoop.mapred.Child.main(Child.java:249)
attempt_201311220845_0006_m_000000_0: Server failed to authenticate. Exiting
Все делалось по туториалу, но вот такое возникло.
К слову, программы на Java запускаются без проблем