[jira] [Created] (MAPREDUCE-2972) Running commands from the hadoop-mapreduce-test-*.jar fails with ClassNotFoundException: junit.framework.TestCase

[Jeffrey Naisbitt (JIRA)]

Running commands from the hadoop-mapreduce-test-*.jar fails with  
ClassNotFoundException: junit.framework.TestCase
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                 Key: MAPREDUCE-2972
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2972
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
            Reporter: Jeffrey Naisbitt


Running any of the 'hadoop jar hadoop-mapreduce-test-*.jar' commands gives the 
following exception:

java.lang.NoClassDefFoundError: junit/framework/TestCase
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
        at 
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
        at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:300)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        at 
org.apache.hadoop.test.MapredTestDriver.<init>(MapredTestDriver.java:59)
        at 
org.apache.hadoop.test.MapredTestDriver.<init>(MapredTestDriver.java:53)
        at 
org.apache.hadoop.test.MapredTestDriver.main(MapredTestDriver.java:118)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:189)
Caused by: java.lang.ClassNotFoundException: junit.framework.TestCase
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        ... 21 more


This happens even when just running 'hadoop jar $TEST_JAR' where it should just 
print the available commands.
Copying the junit-*.jar from $HADOOP_MAPRED_HOME/lib/ to 
$HADOOP_COMMON_HOME/share/hadoop/common/lib/ seems to fix the problem.

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