It is the file you are supplying to 'hadoop jar'. How else are you trying to run this? you need to build and supply the file or of course it doesn't work.
On Tue, Feb 28, 2012 at 8:20 AM, manish dunani <manishd...@gmail.com> wrote: > I did not find any job.whether Is it have to generate?how to do this I > didn't get any idea. > > > sean owen: > Your job file is corrupt or missing. Verify its there and try rebuilding. > > >> I am newbie to mahout. >> can any body help me out to solve the following error.? >> >> When ever i try to run RecommenderJob over apache hadoop i got the >> following error:(Reference "Mahout in Action" -ch-6) >> >> hduser@ubuntu:/usr/local/hadoop$ bin/hadoop jar >> /opt/mahout/core/target/mahout-core-0.7-SNAPSHOT.job >> org.apache.mahout.cf.taste.hadoop.item.RecommenderJob >> -Dmapred.input.dir=input/input.txt -Dmapred.output.dir=output --usersFile >> input/users.txt --booleanData >> >> Exception in thread "main" java.io.IOException: Error opening job jar: >> /opt/mahout/core/target/mahout-core-0.7-SNAPSHOT.job >> at org.apache.hadoop.util.RunJar.main(RunJar.java:90) >> >> Caused by: java.util.zip.ZipException: error in opening zip file >> at java.util.zip.ZipFile.open(Native Method) >> at java.util.zip.ZipFile.<init>(ZipFile.java:131) >> at java.util.jar.JarFile.<init>(JarFile.java:150) >> at java.util.jar.JarFile.<init>(JarFile.java:87) >> at org.apache.hadoop.util.RunJar.main(RunJar.java:88) >> >> Is it possible to solve?I tried a lot. > > > > -- > MANISH DUNANI > -THANX > manishd...@gmail.com
