Madhu, Do you get a specific error message / stack trace? Could you also paste your JT logs?
On Tue, Jul 26, 2011 at 4:05 PM, madhu phatak <[email protected]> wrote: > Hi > I am using the same APIs but i am not able to run the jobs by just adding > the configuration files and jars . It never create a job in Hadoop , it just > shows cleaning up staging area and fails. > > On Tue, Jul 26, 2011 at 3:46 PM, Devaraj K <[email protected]> wrote: > >> Hi Madhu, >> >> You can submit the jobs using the Job API's programmatically from any >> system. The job submission code can be written this way. >> >> // Create a new Job >> Job job = new Job(new Configuration()); >> job.setJarByClass(MyJob.class); >> >> // Specify various job-specific parameters >> job.setJobName("myjob"); >> >> job.setInputPath(new Path("in")); >> job.setOutputPath(new Path("out")); >> >> job.setMapperClass(MyJob.MyMapper.class); >> job.setReducerClass(MyJob.MyReducer.class); >> >> // Submit the job >> job.submit(); >> >> >> >> For submitting this, need to add the hadoop jar files and configuration >> files in the class path of the application from where you want to submit >> the >> job. >> >> You can refer this docs for more info on Job API's. >> >> http://hadoop.apache.org/mapreduce/docs/current/api/org/apache/hadoop/mapred >> uce/Job.html >> >> >> >> Devaraj K >> >> -----Original Message----- >> From: madhu phatak [mailto:[email protected]] >> Sent: Tuesday, July 26, 2011 3:29 PM >> To: [email protected] >> Subject: Submitting and running hadoop jobs Programmatically >> >> Hi, >> I am working on a open source project >> Nectar<https://github.com/zinnia-phatak-dev/Nectar> where >> i am trying to create the hadoop jobs depending upon the user input. I was >> using Java Process API to run the bin/hadoop shell script to submit the >> jobs. But it seems not good way because the process creation model is >> not consistent across different operating systems . Is there any better way >> to submit the jobs rather than invoking the shell script? I am using >> hadoop-0.21.0 version and i am running my program in the same user where >> hadoop is installed . Some of the older thread told if I add configuration >> files in path it will work fine . But i am not able to run in that way . So >> anyone tried this before? If So , please can you give detailed instruction >> how to achieve it . Advanced thanks for your help. >> >> Regards, >> Madhukara Phatak >> >> > -- Harsh J
