Yes i reorganized the packages but still i am getting same error my hadoop version is 1.0.4
19 Şubat 2013 Salı tarihinde Hemanth Yamijala adlı kullanıcı şöyle yazdı: > I am not sure if that will actually work, because the class is defined to > be in the org.myorg package. I suggest you repackage to reflect the right > package structure. > > Also, the error you are getting seems to indicate that you aphave compiled > using Jdk 7. Note that some versions of Hadoop are supported only on Jdk 6. > Which version of Hadoop are you using. > > Thanks > Hemanth > > On Tuesday, February 19, 2013, Fatih Haltas wrote: > > Thank you very much. > When i tried with wordcount_classes.org.myorg.WordCount, I am getting the > following error: > > [hadoop@ADUAE042-LAP-V project]$ hadoop jar wordcount_19_02.jar > wordcount_classes.org.myorg.WordCount > /home/hadoop/project/hadoop-data/NetFlow 19_02_wordcount.out > Warning: $HADOOP_HOME is deprecated. > > Exception in thread "main" java.lang.UnsupportedClassVersionError: > wordcount_classes/org/myorg/WordCount : Unsupported major.minor version 51.0 > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:634) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) > at java.net.URLClassLoader.access$000(URLClassLoader.java:73) > at java.net.URLClassLoader$1.run(URLClassLoader.java:212) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > at java.lang.ClassLoader.loadClass(ClassLoader.java:321) > at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:266) > at org.apache.hadoop.util.RunJar.main(RunJar.java:149) > > > > On Tue, Feb 19, 2013 at 8:10 PM, Hemanth Yamijala < > yhema...@thoughtworks.com> wrote: > > Sorry. I did not read the mail correctly. I think the error is in how the > jar has been created. The classes start with root as wordcount_classes, > instead of org. > > Thanks > Hemanth > > > On Tuesday, February 19, 2013, Hemanth Yamijala wrote: > > Have you used the Api setJarByClass in your main program? > > > http://hadoop.apache.org/docs/r1.0.4/api/org/apache/hadoop/mapreduce/Job.html#setJarByClass(java.lang.Class) > > On Tuesday, February 19, 2013, Fatih Haltas wrote: > > Hi everyone, > > I know this is the common mistake to not specify the class adress while > trying to run a jar, however, > although I specified, I am still getting the ClassNotFound exception. > > What may be the reason for it? I have been struggling for this problem > more than a 2 days. > I just wrote different MapReduce application for some anlaysis. I got this > problem. > > To check, is there something wrong with my system, i tried to run > WordCount example. > When I just run hadoop-examples wordcount, it is working fine. > > But when I add just "package org.myorg;" command at the beginning, it > doesnot work. > > Here is what I have done so far > ************************************************************************* > 1. I just copied wordcount code from the apaches own examples source code > and I just changed package decleration as "package org.myorg;" > >
