我是hadoop世界的新手。我在Linux中设置了hadoop集群，并尝试从windows运行mapreduce作业。当我尝试运行另一个我自己写的作业时，我有这个错误:
16/07/05 16:04:36 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
16/07/05 16:04:42 INFO client.RMProxy: Connecting to ResourceManager at /myIP:8050
16/07/05 16:04:42 WARN mapreduce.JobResourceUploader: Hadoop command-line option parsing not performed. Implement the Tool interface and execute your application with ToolRunner to remedy this.
16/07/05 16:04:42 WARN mapreduce.JobResourceUploader: No job jar file set. User classes may not be found. See Job or Job#setJar(String).
16/07/05 16:04:42 INFO input.FileInputFormat: Total input paths to process : 3
16/07/05 16:04:42 INFO mapreduce.JobSubmitter: number of splits:3
16/07/05 16:04:43 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1467727275250_0002
16/07/05 16:04:43 INFO mapred.YARNRunner: Job jar is not present. Not adding any jar to the list of resources.
16/07/05 16:04:43 INFO impl.YarnClientImpl: Submitted application application_1467727275250_0002
16/07/05 16:04:43 INFO mapreduce.Job: The url to track the job: http://hadoopMaster:8088/proxy/application_1467727275250_0002/
16/07/05 16:04:43 INFO mapreduce.Job: Running job: job_1467727275250_0002
16/07/05 16:04:46 INFO mapreduce.Job: Job job_1467727275250_0002 running in uber mode : false
16/07/05 16:04:46 INFO mapreduce.Job: map 0% reduce 0%
16/07/05 16:04:46 INFO mapreduce.Job: Job job_1467727275250_0002 failed with state FAILED due to: Application application_1467727275250_0002 failed 2 times due to AM Container for appattempt_1467727275250_0002_000002 exited with exitCode: 1
For more detailed output, check application tracking page:http://hadoopMaster:8088/cluster/app/application_1467727275250_0002Then, click on links to logs of each attempt.
Diagnostics: Exception from container-launch.
Container id: container_1467727275250_0002_02_000001
Exit code: 1
Exception message: /bin/bash: Zeile 0: fg: Keine Job-Steuerung in dieser Shell.
Stack trace: ExitCodeException exitCode=1: /bin/bash: line 0: fg: no Job control in this Shell.
at org.apache.hadoop.util.Shell.runCommand(Shell.java:545)
at org.apache.hadoop.util.Shell.run(Shell.java:456)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:722)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:211)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Container exited with a non-zero exit code 1
Failing this attempt. Failing the application.
16/07/05 16:04:46 INFO mapreduce.Job: Counters: 0
mapred-site.xml add property
<property>
<name>mapred.remote.os</name>
<value>Linux</value>
<description>Remote MapReduce framework's OS, can be either Linux or Windows</description>
</property>
<property>
<name>mapreduce.app-submission.cross-platform</name>
<value>true</value>
</property>