found the problem was due to missing mapred-site.xml. After creating it, the problem was gone.
thanks for all the answers. On Sun, Feb 23, 2014 at 9:05 AM, Richard Chen <cxd3...@gmail.com> wrote: > Thanks for the reply. Due to company mail filtering issue, I decided to > use my personal mail account so that I can attach files freely in the > future. > > Please see my reply inline to your questions below. > > Richard > > > On Sat, Feb 22, 2014 at 3:55 AM, Zhijie Shen <zs...@hortonworks.com>wrote: > >> Hi Richard, >> >> Not sure how NPE happened on you command line, but I'd like to clarify >> something here: >> 1. If you want to see mapreduce jobs, please use "mapred job". "hadoop >> job" is deprecated. If you want to see all kinds of applications run by >> your YARN cluster, please use "yarn application". >> >> Thanks for the suggestion. I do notice that.But the result is the same > though. > > >> 2. Job history server only shows the finished mapreduce jobs. There will >> be another application history server that shows all completed applications >> run by YARN, but it's not available on 2.2. >> >> 3. ResourceManager webUI is not the job history web UI. You should check >> your yarn-site.xml to see what's the address of the RM webUI. It will list >> all the applications that RM remembers. >> > > > >> - Zhijie >> >> >> On Thu, Feb 20, 2014 at 7:04 PM, Chen, Richard <richard.c...@intel.com>wrote: >> >>> Dear group, >>> >>> >>> >>> I compiled hadoop 2.2.0 x64 and running it on a cluster. When I do hadoop >>> job -list or hadoop job -list all, it throws a NPE like this: >>> >>> 14/01/28 17:18:39 INFO Configuration.deprecation: session.id is >>> deprecated. Instead, use dfs.metrics.session-id >>> >>> 14/01/28 17:18:39 INFO jvm.JvmMetrics: Initializing JVM Metrics with >>> processName=JobTracker, sessionId= >>> >>> Exception in thread "main" java.lang.NullPointerException >>> >>> at org.apache.hadoop.mapreduce.tools.CLI.listJobs(CLI.java:504) >>> >>> at org.apache.hadoop.mapreduce.tools.CLI.run(CLI.java:312) >>> >>> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) >>> >>> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84) >>> >>> at org.apache.hadoop.mapred.JobClient.main(JobClient.java:1237) >>> >>> and on hadoop webapp like jobhistory ( I turn on the jobhistory server). >>> It shows no job was running and no job finishing although I was running >>> jobs. >>> >>> Please help me to solve this problem. >>> >>> Thanks!! >>> >>> >>> >>> Richard Chen >>> >>> >>> >> >> >> >> -- >> Zhijie Shen >> Hortonworks Inc. >> http://hortonworks.com/ >> >> CONFIDENTIALITY NOTICE >> NOTICE: This message is intended for the use of the individual or entity >> to which it is addressed and may contain information that is confidential, >> privileged and exempt from disclosure under applicable law. If the reader >> of this message is not the intended recipient, you are hereby notified that >> any printing, copying, dissemination, distribution, disclosure or >> forwarding of this communication is strictly prohibited. If you have >> received this communication in error, please contact the sender immediately >> and delete it from your system. Thank You. > > > > > -- > Dislike trivia, appreciate no-nonsense! > -- Dislike trivia, appreciate no-nonsense!
