Re: Could not find the main class: org.apache.hadoop.mapreduce.v2.app.MRAppMaster
Seems like the hadoop common jar is missing, can you check if one of the directories listed in the CLASSPATH has the hadoop-common jar? Thanks, +Vinod On Dec 22, 2013, at 10:27 PM, Hadoop Dev hadoopeco@gmail.com wrote: Hi All, I am trying to execute first ever program (Word Count) in hadoop2.2.0 on Windows 7 (64bit). But do not know what's wrong with the classpath which is making program fail at the runtime. (Failing @ container launch) Hadoop classpath set on my machine is c:\hadoop\etc\hadoop;c:\hadoop\share\hadoop\common\lib\*;c:\hadoop\share\hadoop\ common\*;c:\hadoop\share\hadoop\hdfs;c:\hadoop\share\hadoop\hdfs\lib\*;c:\hadoop \share\hadoop\hdfs\*;c:\hadoop\share\hadoop\yarn\lib\*;c:\hadoop\share\hadoop\ya rn\*;c:\hadoop\share\hadoop\mapreduce\lib\*;c:\hadoop\share\hadoop\mapreduce\* stderr: java.lang.NoClassDefFoundError: org/apache/hadoop/service/CompositeService at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.service.CompositeService at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 12 more Could not find the main class: org.apache.hadoop.mapreduce.v2.app.MRAppMaster. Program will exit. Exception in thread main -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
Could not find the main class: org.apache.hadoop.mapreduce.v2.app.MRAppMaster
Hi All, I am trying to execute first ever program (Word Count) in hadoop2.2.0 on Windows 7 (64bit). But do not know what's wrong with the classpath which is making program fail at the runtime. (Failing @ container launch) Hadoop classpath set on my machine is c:\hadoop\etc\hadoop;c:\hadoop\share\hadoop\common\lib\*;c:\hadoop\share\hadoop\ common\*;c:\hadoop\share\hadoop\hdfs;c:\hadoop\share\hadoop\hdfs\lib\*;c:\hadoop \share\hadoop\hdfs\*;c:\hadoop\share\hadoop\yarn\lib\*;c:\hadoop\share\hadoop\ya rn\*;c:\hadoop\share\hadoop\mapreduce\lib\*;c:\hadoop\share\hadoop\mapreduce\* stderr: java.lang.NoClassDefFoundError: org/apache/hadoop/service/CompositeService at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.service.CompositeService at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 12 more Could not find the main class: org.apache.hadoop.mapreduce.v2.app.MRAppMaster. Program will exit. Exception in thread main
Err: Could not find the main class: org.apache.hadoop.mapreduce.v2.app.MRAppMaster
Hi All, I am trying to execute first ever program (Word Count) in hadoop2.2.0 . But do not know what's wrong with the classpath which is making program fail at the runtime. Hadoop classpath set on my machine is c:\hadoop\etc\hadoop;c:\hadoop\share\hadoop\common\lib\*;c:\hadoop\share\hadoop\ common\*;c:\hadoop\share\hadoop\hdfs;c:\hadoop\share\hadoop\hdfs\lib\*;c:\hadoop \share\hadoop\hdfs\*;c:\hadoop\share\hadoop\yarn\lib\*;c:\hadoop\share\hadoop\ya rn\*;c:\hadoop\share\hadoop\mapreduce\lib\*;c:\hadoop\share\hadoop\mapreduce\* stderr: java.lang.NoClassDefFoundError: org/apache/hadoop/service/CompositeService at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.service.CompositeService at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 12 more Could not find the main class: org.apache.hadoop.mapreduce.v2.app.MRAppMaster. Program will exit. Exception in thread main
