mahout on ec2(Cloudera) (wikipedia bayes example)

ubuntu@ip-172-31-25-230:~$ $MAHOUT_HOME/bin/mahout wikipediaXMLSplitter -d $MAHOUT_HOME/examples/tmp/enwiki-latest-pages-articles10.xml -o wikipedia/chunks -c 64
Running on hadoop, using /usr/bin/hadoop and HADOOP_CONF_DIR=
MAHOUT-JOB: /data0/mahout/mahout-examples-0.9-job.jar
14/03/02 17:23:31 WARN driver.MahoutDriver: Unable to add class: wikipediaXMLSplitter
java.lang.ClassNotFoundException: wikipediaXMLSplitter
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:169)
        at org.apache.mahout.driver.MahoutDriver.addClass(MahoutDriver.java:237)
        at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:128)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
14/03/02 17:23:31 WARN driver.MahoutDriver: No wikipediaXMLSplitter.props found on classpath, will use command-line arguments only
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.hadoop.util.ProgramDriver.driver([Ljava/lang/String;)V
        at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
ubuntu@ip-172-31-25-230:~$
ubuntu@ip-172-31-25-230:~$
ubuntu@ip-172-31-25-230:~$ $MAHOUT_HOME/bin/mahout org.apache.mahout.text.wikipedia.WikipediaXmlSplitter -d $MAHOUT_HOME/examples/tmp/enwiki-latest-pages-articles.xml -o wikipedia/chunks -c 64
Running on hadoop, using /usr/bin/hadoop and HADOOP_CONF_DIR=
MAHOUT-JOB: /data0/mahout/mahout-examples-0.9-job.jar
14/03/02 17:23:45 WARN driver.MahoutDriver: No org.apache.mahout.text.wikipedia.WikipediaXmlSplitter.props found on classpath, will use command-line arguments only
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.hadoop.util.ProgramDriver.driver([Ljava/lang/String;)V
        at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
ubuntu@ip-172-31-25-230:~$
ubuntu@ip-172-31-25-230:~$
ubuntu@ip-172-31-25-230:~$ /opt/cloudera/parcels/CDH-4.6.0-1.cdh4.6.0.p0.26/bin/hadoop jar $MAHOUT_HOME/mahout-examples-0.9-job.jar org.apache.mahout.text.wikipedia.WikipediaXmlSplitter -d $MAHOUT_HOME/examples/tmp/enwiki-latest-pages-articles.xml -o wikipedia/chunks -c 64
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
        at java.util.Arrays.copyOf(Arrays.java:2882)
        at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
        at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390)
        at java.lang.StringBuilder.append(StringBuilder.java:119)
        at org.apache.mahout.text.wikipedia.WikipediaXmlSplitter.main(WikipediaXmlSplitter.java:208)
        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:208)