Frank, Did you set the debug mode ?? On Jan 28, 2015 7:10 PM, "Frank Lanitz" <frank.lan...@sql-ag.de> wrote:
> Hi, > > I've got a simple 3-node-setup where I wanted to test the grep function > based on some examples. So > > $ hadoop fs -put /home/hadoop/hadoop/etc/hadoop hadoop-config > $ hadoop jar > hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar grep > /user/hadoop/hadoop-config /user/hadoop/output 'dfs[a-z.]+' > > When running this I've get > > > 15/01/28 14:32:14 WARN util.NativeCodeLoader: Unable to load > native-hadoop library for your platform... using builtin-java classes where > applicable > > 15/01/28 14:32:15 INFO client.RMProxy: Connecting to ResourceManager at > hadoopm/<ip>:8032 > > 15/01/28 14:32:15 WARN mapreduce.JobSubmitter: No job jar file set. > User classes may not be found. See Job or Job#setJar(String). > > 15/01/28 14:32:15 INFO input.FileInputFormat: Total input paths to > process : 30 > > 15/01/28 14:32:16 INFO mapreduce.JobSubmitter: number of splits:30 > > 15/01/28 14:32:16 INFO mapreduce.JobSubmitter: Submitting tokens for > job: job_1422451252723_0002 > > 15/01/28 14:32:16 INFO mapred.YARNRunner: Job jar is not present. Not > adding any jar to the list of resources. > > 15/01/28 14:32:16 INFO impl.YarnClientImpl: Submitted application > application_1422451252723_0002 > > 15/01/28 14:32:16 INFO mapreduce.Job: The url to track the job: > http://hadoopm:8088/proxy/application_1422451252723_0002/ > > 15/01/28 14:32:16 INFO mapreduce.Job: Running job: job_1422451252723_0002 > > and nothing more seems to happen. When checking > http://hadoopm:8088/cluster/apps I can see, that the job is accepted, > but in undefined state. However, when killing the job and restarting a > new one it might starts to work. Obviously something is not working well > here -- so I'm wondering how to debug what's going wrong here. > > Cheers, > Frank >