Thank you all very much 19 Şubat 2013 Salı tarihinde Harsh J adlı kullanıcı şöyle yazdı:
> Oops. I just noticed Hemanth has been answering on a dupe thread as > well. Lets drop this thread and carry on there :) > > On Tue, Feb 19, 2013 at 11:14 PM, Harsh J <ha...@cloudera.com> wrote: > > Hi, > > > > The new error usually happens if you compile using Java 7 and try to > > run via Java 6 (for example). That is, an incompatibility in the > > runtimes for the binary artifact produced. > > > > On Tue, Feb 19, 2013 at 10:09 PM, Fatih Haltas <fatih.hal...@nyu.edu> > wrote: > >> Thank you very much Harsh, > >> > >> Now, as I promised earlier I am much obliged to you. > >> > >> But, now I solved that problem by just changing the directories then > again > >> creating a jar file of org. but I am getting this error: > >> > >> 1.) What I got > >> > ------------------------------------------------------------------------------ > >> [hadoop@ADUAE042-LAP-V flowclasses_18_02]$ hadoop jar flow19028pm.jar > >> org.myorg.MapReduce /home/hadoop/project/hadoop-data/NetFlow 19_02.out > >> Warning: $HADOOP_HOME is deprecated. > >> > >> Exception in thread "main" java.lang.UnsupportedClassVersionError: > >> org/myorg/MapReduce : 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$1.run(URLClassLoader.java:212) > >> at java.security.AccessController.doPrivileged(Native Method) > >> at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:321) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > >> at java.lang.Class.forName0(Native Method) > >> at java.lang.Class.forName(Class.java:266) > >> at org.apache.hadoop.util.RunJar.main(RunJar.java:149) > >> > >> 2.) How I create my jar > >> > ------------------------------------------------------------------------------------- > >> [hadoop@ADUAE042-LAP-V flowclasses_18_02]$ jar cvf flow19028pm.jar org > >> added manifest > >> adding: org/(in = 0) (out= 0)(stored 0%) > >> adding: org/myorg/(in = 0) (out= 0)(stored 0%) > >> adding: org/myorg/MapReduce$FlowPortReducer.class(in = 1661) (out= > >> 690)(deflated 58%) > >> adding: org/myorg/MapReduce.class(in = 1587) (out= 903)(deflated 43%) > >> adding: org/myorg/MapReduce$FlowPortMapper.class(in = 1874) (out= > >> 823)(deflated 56%) > >> > >> 3.) Content of my jar file > >> > --------------------------------------------------------------------------------------- > >> [hadoop@ADUAE042-LAP-V flowclasses_18_02]$ jar tf flow19028pm.jar > >> META-INF/ > >> META-INF/MANIFEST.MF > >> org/ > >> org/myorg/ > >> org/myorg/MapReduce$FlowPortReducer.class > >> org/myorg/MapReduce.class > >> org/myorg/MapReduce$FlowPortMapper.class > >> > ----------------------------------------------------------------------------------------- > >> > >> > >> Thank you very much. > >> > >> > >> On Tue, Feb 19, 2013 at 8:20 PM, Harsh J <ha...@cloudera.com> wrote: > >>> > >>> Your point (4) explains the problem. The jar packed structure should > >>> look like the below, and not how it is presently (one extra top level > >>> dir is present): > >>> > >>> META-INF/ > >>> META-INF/MANIFEST.MF > >>> org/ > >>> org/myorg/ > >>> org/myorg/WordCount.class > >>> org/myorg/WordCount$TokenizerMapper.class > >>> org/myorg/WordCount$IntSumReducer.clas-- > Harsh J >
