我正在尝试运行一些hadoop程序来提取Ubuntu中一些摘要的关键字。当我使用Hadoop运行我的程序时，我得到以下错误:
WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032
WARN mapreduce.JobSubmitter: Hadoop command-line option parsing not performed. Implement the Tool interface and execute your application with ToolRunner to remedy this.
INFO input.FileInputFormat: Total input paths to process : 1
INFO mapreduce.JobSubmitter: number of splits:1
INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1404812840999_0001
INFO impl.YarnClientImpl: Submitted application application_1404812840999_0001
INFO mapreduce.Job: The url to track the job: http://shiva-VirtualBox:8088/proxy/application_1404812840999_0001/
INFO mapreduce.Job: Running job: job_1404812840999_0001
INFO mapreduce.Job: Job job_1404812840999_0001 running in uber mode : false
INFO mapreduce.Job: map 0% reduce 0%
INFO mapreduce.Job: Job job_1404812840999_0001 failed with state FAILED due to: Application application_1404812840999_0001 failed 2 times due to AM Container for appattempt_1404812840999_0001_000002 exited with exitCode: 1 due to: Exception from container-launch: org.apache.hadoop.util.Shell$ExitCodeException:
org.apache.hadoop.util.Shell$ExitCodeException:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:505)
at org.apache.hadoop.util.Shell.run(Shell.java:418)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:650)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:195)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:283)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:79)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Container exited with a non-zero exit code 1
.Failing this attempt.. Failing the application.
14/07/08 14:21:44 INFO mapreduce.Job: Counters: 0
这个错误的原因是什么?
注意，我将mapreduce项目转换为maven项目，以便在我的代码中使用lucene库。
你的资源管理器真的在/0.0.0.0:8032上吗?它也似乎你没有使用Toolrunner，所以试着重写你的mapreduce Hadoop:实现mapreduce驱动程序的工具接口。
希望有所帮助
线程数增加，JVM内存和CPU被充分利用。请增加JVM大小并增加Mapper和reducer任务的内存限制。conf.set("mapreduce.map.memory。mb"、"4096");conf.set("mapreduce.map.java。选择"、"-Xmx3500m");