hadoop运行wordcount
[root@master hadoop-2.6.4]# bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.4.jar wordcount /user/root/email_log.txt /user/root/output
22/03/24 23:30:21 INFO client.RMProxy: Connecting to ResourceManager at master/192.168.68.128:8032
22/03/24 23:30:23 INFO input.FileInputFormat: Total input paths to process : 1
22/03/24 23:30:23 INFO mapreduce.JobSubmitter: number of splits:2
22/03/24 23:30:24 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1648120782326_0002
22/03/24 23:30:24 INFO impl.YarnClientImpl: Submitted application application_1648120782326_0002
22/03/24 23:30:25 INFO mapreduce.Job: The url to track the job: http://master.centos.com:8088/proxy/application_1648120782326_0002/
22/03/24 23:30:25 INFO mapreduce.Job: Running job: job_1648120782326_0002
22/03/24 23:31:00 INFO mapreduce.Job: Job job_1648120782326_0002 running in uber mode : false
22/03/24 23:31:00 INFO mapreduce.Job: map 0% reduce 0%
22/03/24 23:31:00 INFO mapreduce.Job: Job job_1648120782326_0002 failed with state FAILED due to: Application application_1648120782326_0002 failed 2 times due to AM Container for appattempt_1648120782326_0002_000002 exited with exitCode: 1
For more detailed output, check application tracking page:http://master.centos.com:8088/proxy/application_1648120782326_0002/Then, click on links to logs of each attempt.
Diagnostics: Exception from container-launch.
Container id: container_1648120782326_0002_02_000001
Exit code: 1
Stack trace: ExitCodeException exitCode=1:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:538)
at org.apache.hadoop.util.Shell.run(Shell.java:455)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:715)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:212)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
Container exited with a non-zero exit code 1
Failing this attempt. Failing the application.
22/03/24 23:31:00 INFO mapreduce.Job: Counters: 0