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 +91 9426881954 manishd...@gmail.com