问题
Exception in thread "main" java.lang.NoSuchFieldError: IBM_JAVA
at org.apache.hadoop.security.UserGroupInformation.getOSLoginModuleName(UserGroupInformation.java:303)
at org.apache.hadoop.security.UserGroupInformation.<clinit>(UserGroupInformation.java:348)
at org.apache.hadoop.mapreduce.task.JobContextImpl.<init>(JobContextImpl.java:72)
at org.apache.hadoop.mapreduce.Job.<init>(Job.java:133)
at org.apache.hadoop.mapreduce.Job.<init>(Job.java:123)
at org.apache.hadoop.mapreduce.Job.<init>(Job.java:128)
at driver.main(driver.java:64)
Getting the above error , using ubuntu 12.04 32-bit , java jdk I am using is java-6-openjdk-i386.
And here is the driver class code :-
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.mapreduce.task.JobContextImpl;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Reducer;
Job baseJob = new Job(conf,"baseJob");//for base itemsets
回答1:
I have met the same exception.
The cause is that your java dependancies are not complete, you have lost the jar package hadoop-auth-2.2.0.jar or its newer version. The field IBM_JAVA is in the java class PlatformName.class, which is in the package org.apache.hadoop.util in hadoop-auth-2.2.0.jar.
来源：https://stackoverflow.com/questions/22278620/the-ibm-java-error-for-running-jobs-in-hadoop-2-2-0