Sounds odd....So (1) you got a filenotfound exception and (2) you fixed it by commenting out memory specific config parameters?
Not sure how that would work... Any other details or am I missing something else? > On May 11, 2014, at 4:16 AM, Tao Xiao <xiaotao.cs....@gmail.com> wrote: > > I'm sure this problem is caused by the incorrect configuration. I commented > out all the configurations regarding memory, then jobs can run successfully. > > > 2014-05-11 0:01 GMT+08:00 Tao Xiao <xiaotao.cs....@gmail.com>: >> I installed Hadoop-2.2 in a cluster of 4 nodes, following Hadoop YARN >> Installation: The definitive guide. >> >> The configurations are as follows: >> >> ~/.bashrc core-site.xml hdfs-site.xml >> mapred-site.xml slaves yarn-site.xml >> >> >> I started NameNode, DataNodes, ResourceManager and NodeManagers >> successfully, but no job can run successfully. For example, I run the >> following job: >> >> [root@Single-Hadoop ~]# yarn jar >> /var/soft/apache/hadoop-2.2.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.2.0.jar >> pi 2 4 >> >> The output is as follows: >> >> 14/05/10 23:56:25 INFO mapreduce.Job: Task Id : >> attempt_1399733823963_0004_m_000000_0, Status : FAILED >> Exception from container-launch: >> org.apache.hadoop.util.Shell$ExitCodeException: >> at org.apache.hadoop.util.Shell.runCommand(Shell.java:464) >> at org.apache.hadoop.util.Shell.run(Shell.java:379) >> at >> org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:589) >> 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$Sync.innerRun(FutureTask.java:303) >> at java.util.concurrent.FutureTask.run(FutureTask.java:138) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) >> at java.lang.Thread.run(Thread.java:662) >> >> >> >> 14/05/10 23:56:25 INFO mapreduce.Job: Task Id : >> attempt_1399733823963_0004_m_000001_0, Status : FAILED >> Exception from container-launch: >> org.apache.hadoop.util.Shell$ExitCodeException: >> at org.apache.hadoop.util.Shell.runCommand(Shell.java:464) >> at org.apache.hadoop.util.Shell.run(Shell.java:379) >> at >> org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:589) >> at >> org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:195) >> at >> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:283) >> at >> org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:79) >> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) >> at java.util.concurrent.FutureTask.run(FutureTask.java:138) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) >> at java.lang.Thread.run(Thread.java:662) >> >> ... ... >> >> >> 14/05/10 23:56:36 INFO mapreduce.Job: map 100% reduce 100% >> 14/05/10 23:56:37 INFO mapreduce.Job: Job job_1399733823963_0004 failed with >> state FAILED due to: Task failed task_1399733823963_0004_m_000000 >> Job failed as tasks failed. failedMaps:1 failedReduces:0 >> >> 14/05/10 23:56:37 INFO mapreduce.Job: Counters: 10 >> Job Counters >> Failed map tasks=7 >> Killed map tasks=1 >> Launched map tasks=8 >> Other local map tasks=6 >> Data-local map tasks=2 >> Total time spent by all maps in occupied slots (ms)=21602 >> Total time spent by all reduces in occupied slots (ms)=0 >> Map-Reduce Framework >> CPU time spent (ms)=0 >> Physical memory (bytes) snapshot=0 >> Virtual memory (bytes) snapshot=0 >> Job Finished in 24.515 seconds >> java.io.FileNotFoundException: File does not exist: >> hdfs://Single-Hadoop.zd.com/user/root/QuasiMonteCarlo_1399737371038_1022927375/out/reduce-out >> at >> org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1110) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1102) >> at >> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1102) >> at >> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1749) >> at >> org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1773) >> at >> org.apache.hadoop.examples.QuasiMonteCarlo.estimatePi(QuasiMonteCarlo.java:314) >> at >> org.apache.hadoop.examples.QuasiMonteCarlo.run(QuasiMonteCarlo.java:354) >> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) >> at >> org.apache.hadoop.examples.QuasiMonteCarlo.main(QuasiMonteCarlo.java:363) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72) >> at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:144) >> at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:74) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at org.apache.hadoop.util.RunJar.main(RunJar.java:212) >> >> >> >> Why would any job fail? Is it because the configurations are not correct? >
