> > Hi, > I am new to Hadoop. > I have installed cygwin to install and try Hive in Hadoop. > But whiledoin some standalone operations in Hadoop ,i am getting below > error. > > Intellectus@Intellectus-PC /cygdrive/d/hadoop/hadoop-0.21.0/hadoop-0.21.0 > $ bin/hadoop jar hadoop-*-examples.jar grep input output 'dfs[a-z.]+' > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/hadoop/util/PlatformName > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.util.PlatformName > at java.net.URLClassLoader$1.run(URLClassLoader.java:202) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:248) > Could not find the main class: org.apache.hadoop.util.PlatformName. > Program will exit. > Exception in thread "main" java.io.IOException: Error opening job jar: > hadoop-*-examples.jar > at org.apache.hadoop.util.RunJar.main(RunJar.java:130) > Caused by: java.io.FileNotFoundException: hadoop-*-examples.jar (The > filename, directory name, or volume label syntax is incorrect) > at java.util.zip.ZipFile.open(Native Method) > at java.util.zip.ZipFile.<init>(ZipFile.java:114) > at java.util.jar.JarFile.<init>(JarFile.java:135) > at java.util.jar.JarFile.<init>(JarFile.java:72) > at org.apache.hadoop.util.RunJar.main(RunJar.java:128) > > > Kindly help! > .. > Warm Regards > Vikas Tanwar > >
